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Hesperomannia swezeyi

O.Deg. (1935)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Asterales Family: Asteraceae Genus: Hesperomannia

Description

Key Characters:

Growth Form: Trees 2–5 m tall.

Stems: Young stems and apical buds pubescent.

Roots:

Leaves: alternate Leaves broadly oblanceolate to obovate, sometimes elliptic Surfaces glabrous or nearly so, with lower leaf surface of young leaves sometimes being sparsely pubescent along 1/2–1/3 of midrib. Margins entire or sometimes crenate.

Flowers: Heads on stout sparsely puberulent peduncles 4 – 6 mm long; involucre in 5–8 series, magenta at anthesis, inner bracts 2.7–3.0 cm long; middle bracts 3.0 –3.5 cm wide. Pappus pink Corollas 2.0 cm long.

Fruit: Fruit a simple; dry; achene (cypsela);

Ploidy:

Habitat: Wet Forests

Elevation Range: 360–760 m

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

O'ahu Endemic

Dispersal Agents


Pollinators

Bibliography

Name Published In: Fl. Hawaiiensis, Fam. 344: s.p. (1935)

Other References

Morden, C. W., & Harbin, S. C. (2013). Evolution and Biogeographic Origins of the Endemic Hawaiian Genusn Hesperomannia (Asteraceae) 1. Pacific Science, 67(2), 219-235.

Wagner et al. 1990:325 (Syn. H. swezeyi = H. arborescens); Morden & Ching-Harbin 2013:230 (RESURRECT/O, DESCR, KEY)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Small tree 4.5 ft. high, branches spreading. Forbes, C.N. 2035 Oahu BISH 1913-02-10
2 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Tree 2 m. high. Pearsall, G.A. Oahu BISH 1949-10-30
3 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Leaves deep green, midribs red, young leaves reddish beneath Lyon, H.L. Oahu BISH 1934-04-20
4 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Plant 5 ft. tall, stem 1.5 inches diameter. Pearsall, G.A. Oahu BISH 1958-07-05
5 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Tree 20+ ft high; about 10 fl. clusters on tree; ripe flower head 2.75 x 0.75 inches (near base); 7+ heads; fl. bracts purplish-red, fl. orange & yellow. Obata, J.K. Oahu BISH 1952-04-20
6 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 1703 Oahu BISH 1911-04-09
7 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Tree 2 m. high. Pearsall, G.A. Oahu BISH 1948-04-25
8 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Skottsberg, C.J.F. 890 Oahu BISH 1922-10-25
9 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Degener, O. 10008 Oahu BISH 1935-04-25
10 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen No plants in flower of fruit but several with young flower buds. Not uncommon. Degener, O. 7446 Oahu BISH 1931-12-06
11 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Small tree 4.5 ft. high, branches spreading. Forbes, C.N. 2035 Oahu BISH 1913-02-10
12 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Shrub 3 m tall Akiyama, H. Oahu BISH 1951-05-13
13 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Woods above Pali. Preserved_Specimen Bush, W. 3285 Oahu BISH 1926-03-07
14 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Wawra, H. 2222 Oahu BISH 1868-01-01
15 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Stone, B.C. 3660 Oahu BISH 1961-09-01
16 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Kerr, M. 19632 Oahu BISH 1949-05-30
17 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 10301 Oahu BISH
18 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Herbst, D.R. 1169 Oahu BISH 1968-06-22
19 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Garber, D.W. 283 Oahu BISH 1920-03-07
20 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 10301 Oahu BISH
21 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 16019 Oahu BISH 1917-09-01
22 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Haus, B. Oahu BISH 1991-04-01
23 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Adamson, A.M. Oahu BISH 1933-03-29
24 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Swezey, O.H. Oahu BISH 1920-08-22
25 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Caum, E.L. Oahu BISH 1930-08-14
26 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Suehiro, A. Oahu BISH 1933-09-01
27 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Caum, E.L. Oahu BISH 1930-08-12
28 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Lyon, H.L. Oahu BISH 1926-09-15
29 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Swezey, O.H. Oahu BISH 1933-03-26
30 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Lyon, H.L. Oahu BISH 1926-09-15
31 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Skottsberg, C.J.F. Oahu BISH 1922-10-23
32 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Bishop, B. Oahu BISH 1962-04-29
33 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Wawra, H. 2222 Oahu BISH 1868-01-01
34 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Garber, D.W. 202 Oahu BISH 1920-02-01
35 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 10301 Oahu BISH
36 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Anderson, G.J. Oahu BISH
37 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Rich woods. Preserved_Specimen Degener, O. 10080 Oahu BISH 1935-06-02
38 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details On steep bank below trail Preserved_Specimen Tree 3.3 m high x 10 cm dbh. Chock, A.K. 231 Oahu BISH 1951-05-13
39 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Wooded ridge. Preserved_Specimen 3 m shrub. St.John, H. 11570 Oahu BISH 1932-03-06
40 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details In dense shade. Preserved_Specimen Small tree 1-3+ m high, slender, delicate growth; Fl. upper corolla light-yellow, scales deep-purple, pappus tawny. Judd Jr., A.F. 1244 Oahu BISH 1925-06-06
41 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details In uluhe-covered gully slopes. Preserved_Specimen 6 ft. shrub, leaves fleshy & with red midveins. Takeuchi, W.N. 2206 Oahu BISH 1985-05-19
42 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Summit ridge. Preserved_Specimen 8 ft. tree. Degener, O. 75482 Oahu BISH 1950-09-19
43 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Antidesma forest. Preserved_Specimen Tree 15 ft. Grant, M.L. 7251 Oahu BISH 1934-08-08
44 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Rain forest at crest. Preserved_Specimen Degener, O. 3397 Oahu BISH 1928-02-15
45 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Antidesma forest. Preserved_Specimen Tree 15 ft. Grant, M.L. 7251 Oahu BISH 1934-08-08
46 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Low woods. Preserved_Specimen 15 ft. bushy tree, bracts rose-colored, corollas yellow. St.John, H. 13116 Oahu BISH 1933-04-30
47 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Mostly native wet forest: Tetraplasandra gymnocarpa, Dicranopteris linearis, Metrosideros polymorpha, Clidemia hirta. Preserved_Specimen Shrubs 2-3 m tall, erect. Six flowers open, several more budding. Population of about 6 mature plants, ca 4 immature. Ching-Harbin, S. 2015061702 Oahu BISH 2015-06-17
48 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Wet forest. Preserved_Specimen Bushy, 3 m tall. Involucre magenta, fls orange. Fosberg, F.R. 9419 Oahu BISH 1933-04-15
49 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Sticky, grey clay, texture non-blocky; on slopes with roiling updrafts. Preserved_Specimen Several mature, small shrubs. Achnes on ground more or less intact clusters around the parent plant, numerous capitula within circle r=2' from source individual. Takeuchi, W.N. 2738 Oahu BISH 1986-08-01
50 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details mixed native/alien wet forest with Dicranopteris linearis, Clidemia hirta, under Polyscias gymnocarpa. Site is heavily visited by people. Recent landslides have resulted in more weed ingress in this area. Preserved_Specimen 2 mature plants, 1 seedling. 1 meter tall, just past flowering with immature heads, light pink involucral bracts (unusual for this species, usually dark maroon) Ching-Harbin, S. 2021070701 Oahu BISH 2021-07-07
51 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details On steep bank below trail Preserved_Specimen Tree 3.3 m high x 10 cm dbh. Chock, A.K. 231 Oahu BISH 1951-05-13
52 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Rain forest. Preserved_Specimen Potter, C. 12942 Oahu BISH 1940-09-01
53 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details In Acacia koa-Metrosideros-Dicranopteris linearis lowland wet forest w/ Scaevola, Psychotria, Alyxia, Melicope, Broussaisia, Cibotium, Machaerina, Bidens, Freycinetia. Preserved_Specimen 5 plants with fruit. Perlman, S. 6197 Oahu BISH 1987-07-19
54 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details In rain forest. Preserved_Specimen 1.5 m high. Wilson, K.A. 124 Oahu BISH 1952-04-06
55 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Growing w/ Koa, Pisonia, Antidesma, Dicranopteris, etc. Preserved_Specimen Obata, J.K. Oahu BISH 1989-04-01
56 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Windy rain forest. Preserved_Specimen Scraggly tree 5-8 ft high with leaves clustered at branch ends; florets canary yellow; involucre purplish-red at top. Degener, O. 7445 Oahu BISH 1929-03-31
57 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Wet forest. Preserved_Specimen Bush 5 ft. tall; flowers yellow. St.John, H. 13005 Oahu BISH 1933-03-29
58 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Wet forest Preserved_Specimen Bush 3 m. tall, fls. yellow, involucres dull rose Fosberg, F.R. 9470 Oahu BISH 1933-04-30
59 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details In lower rainforest Preserved_Specimen Small tree. Fl. brownish capsule. Bryan Jr., E.H. 860 Oahu BISH 1934-11-20
60 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details In forest. Preserved_Specimen Degener, O. 10007 Oahu BISH 1935-06-02
61 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Wet forest. Preserved_Specimen Involucre wine colored; veins of leaves reddish. Fosberg, F.R. 9820 Oahu BISH 1933-08-08
62 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details In somewhat open spaces in short forest of Eugenia, Metrosideros, etc. Preserved_Specimen Woody subshrub to 2 or 3 ft. tall. Involucre maroon-red; pappi yellowish; corolla yellow. Petioles & midribs purplish Stone, B.C. 2788 Oahu BISH 1959-05-04
63 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Antidesma forest. Preserved_Specimen Tree 15 ft. Grant, M.L. 7251 Oahu BISH 1934-08-08
64 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details In dense shade. Preserved_Specimen Small tree 1-3+ m high, slender, delicate growth; Fl. upper corolla light-yellow, scales deep-purple, pappus tawny. Judd Jr., A.F. 1244 Oahu BISH 1925-06-06
65 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Rain forest. Preserved_Specimen Degener, O. 10079 Oahu BISH 1935-06-16
66 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details In dwarfed scrub. Preserved_Specimen Shrub 3 m. x 1 dm. St.John, H. 20270 Oahu BISH 1941-10-19
67 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Wooded ridge Preserved_Specimen 3 m shrub St.John, H. 11570 Oahu BISH 1932-03-06
68 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Rain forest. Preserved_Specimen Degener, O. 7447 Oahu BISH 1933-03-27
69 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Wet forest. Preserved_Specimen Involucre wine colored; midrib of leaves reddish. Fosberg, F.R. 9791 Oahu BISH 1933-08-08
70 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details On wooded slope. Preserved_Specimen 15 ft. tree. Hosaka, E.Y. 619 Oahu BISH 1932-07-04
71 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details In forest. Preserved_Specimen Degener, O. 10007 Oahu BISH 1935-06-02
72 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details In rainforest at crest just south of trail Preserved_Specimen Degener, O. 4398 Oahu BISH 1928-02-01
73 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Wet forest. Preserved_Specimen Bush 5 ft. tall; flowers yellow. St.John, H. 13005 Oahu BISH 1933-03-29
74 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details In Acacia koa-Metrosideros-Dicranopteris linearis lowland wet forest w/ Scaevola, Psychotria, Alyxia, Melicope, Broussaisia, Cibotium, Machaerina, Bidens, Freycinetia. Preserved_Specimen 5 plants with fruit. Perlman, S. 6197 Oahu BISH 1987-07-19
75 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details In dense shade. Preserved_Specimen Small tree, 1-3+ m high, slender delicate growth. Corolla light-yellow, scales deep purple, pappus tawny. Judd Jr., A.F. 1244 Oahu BISH 1925-06-06
76 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Antidesma forest. Preserved_Specimen Tree 15 ft. Grant, M.L. 7251 Oahu BISH 1934-08-08
77 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details In dwarfed scrub. Preserved_Specimen Shrub 3 m. x 1 dm. St.John, H. 20270 Oahu BISH 1941-10-19
78 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Rain forest at crest. Preserved_Specimen Bush, W. 7448 Oahu BISH 1929-05-12
79 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Wooded ridge. Preserved_Specimen 3 m shrub. St.John, H. 11570 Oahu BISH 1932-03-06
80 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros forest. Preserved_Specimen Grant, M.L. 7146 Oahu BISH 1934-08-01
81 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Rain forest. Preserved_Specimen Bush, W. 11927 Oahu BISH 1938-02-22
82 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Rain forest. Preserved_Specimen Bush, W. 11927 Oahu BISH 1938-02-22
83 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Moist woods. Preserved_Specimen 2 m shrub, involucre rose-colored. St.John, H. 20188 Oahu BISH 1941-02-16
84 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Forest reserve Preserved_Specimen Degener, O. 9981 Oahu BISH 1935-05-26
85 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Dicranopteris linearis lowland wet forest. With Sy7zgium sandwicense, Machaerina angustifolia, Ilex anomala, Polyscias oahuensis, Freycinetia arborea, Broussaisia arguta, Cheirondendron platyphylla, Scaevola mollis, Antidesma platyphylla, Prit Preserved_Specimen Small trees 3 meter ht with fruit Perlman, S. 23654 Oahu BISH 2013-08-22
86 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Small tree 4.5 ft. high, branches spreading. Forbes, C.N. 2035 Oahu BISH 1915-02-10
87 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Rare in wooded gully. Preserved_Specimen 15 ft. upright slender tree. Hosaka, E.Y. 2036 Oahu BISH 1938-05-08
88 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Ridge in rain forest. Preserved_Specimen Degener, O. 10081 Oahu BISH 1935-07-29
89 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Wet forest area on slope. Preserved_Specimen 3 m high. Flower yellow, involucre bracts reddish. Miyake, S. 97 Oahu BISH 1950-01-01
90 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Crest of wooded ridge. Preserved_Specimen Shrubs 15 ft. x 4 inches; bracts crimson (slightly greenish tipped). St.John, H. 13005 Oahu BISH 1933-03-29
91 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Rare in woods. Preserved_Specimen 10 ft. shrubs, midrib dark red, involucre rose-colored. St.John, H. 11547 Oahu BISH 1932-02-14
92 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Rain forest. Preserved_Specimen Degener, O. 10079 Oahu BISH 1935-06-16
93 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Boundary of forest reserve. Preserved_Specimen Degener, O. 9981 Oahu BISH 1935-05-26
94 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Bud bracts purple. Rock, J.F.C. 25766 Oahu BISH 1957-04-03
95 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Tree 4 m high. Chock, A.K. 230 Oahu BISH 1951-05-13
96 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Slender shrub 3.5 m high, involucre wine-colored, florets orange. Webster, G.L. 1558 Oahu BISH 1948-04-25
97 Hesperomannia swezeyi Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Small tree 4.5 ft. high, branches spreading. Forbes, C.N. 2035 Oahu BISH 1913-02-10
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