Bidens forbesii subsp. forbesii

This name is accepted

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

ko‘oko‘olau, ko‘olau

Description

Key Characters:

Growth Form: Erect, suffrutescent perennial herbs

Stems:

Roots:

Leaves: Leaves pinnately compound or simple. Opposite. Blades lanceolate or ovate Margins serrate/dentate.

Flowers:

Fruit: Fruit a simple; dry; achene (cypsela); black in color; curved; linear; or twisted with a pappus.

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Kaua'i Endemic

Dispersal Agents


Pollinators

Bibliography

Other References

Wagner et al. 1990:275 (K)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Hobdy, R.W. 220 Kauai BISH 1971-04-13
2 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Lamoureux, C.H. 742 Kauai BISH 1955-06-18
3 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Knope, M. 15 Kauai BISH 2007-12-26
4 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Lamoureux, C.H. 741 Kauai BISH 1955-06-18
5 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Hobdy, R.W. 113 Kauai BISH 1969-06-14
6 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Fagerlund, G.O. 6555 Kauai BISH 1948-03-10
7 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Fagerlund, G.O. 6555 Kauai BISH 1948-03-10
8 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details On cliff Preserved_Specimen Hobdy, R.W. 78 Kauai BISH 1969-01-19
9 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Grassy ledges Preserved_Specimen Degener, O. 21575 Kauai BISH 1952-01-11
10 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Open hillside, with few Acacia koa & Wikstroemia Preserved_Specimen Christensen, C. 122 Kauai BISH 1977-01-21
11 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Grassy ledges Preserved_Specimen Degener, O. 27349 Kauai BISH 1961-03-12
12 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details On moist rocks near base of waterfall Preserved_Specimen Shrub, 15 ft tall, rays pale yellow, stem 3/4 in diameter at base, woody St.John, H. 13965 Kauai BISH 1934-01-01
13 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details In ditch or disturbed areas in a wet gulch, good sun. Preserved_Specimen Herb 3/4 - 1 m tall; no flower present. Earle, E. 16 Kauai BISH 1972-04-06
14 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details rolling hills with bogs, stream drainages, and steep perimeter rim. Metrosideros windswept shrubland few canopy trees of Cheirodendron and Metrosideros with Dubautia laxa, D. paleata, Melicope clusi8ifolia, M. waialealae, M. kavaiensis, M. wawraeana, M. cruciata, Dicranopteris linearis, Sticherus owhy Preserved_Specimen herb or sub-shrub, 1.5 meters tall, inflorescence on lateral branches, occasional Wood, K.R. 8212 Kauai BISH 2000-02-01
15 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Grassy slope Preserved_Specimen Degener, O. 20424 Kauai BISH 1950-02-04
16 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Relic Metrosideros mixed mesic forest w/ Acacia koaia, Dicranopteris linearis, Psychotria mariniana, Bobea elatior, Rockia sandwicensis, Bidens forbesii, Chrysodracon aurea, Santalum pyrularium, Freycinetia arborea, Psydrax odorata, Schie Preserved_Specimen Shrub, 1.25 m tall, in flower and fruit, occasional. Wood, K.R. 18621 Kauai BISH 2021-01-07
17 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Riparian vegetation with moderate to steep slopes 70-80% cover. W/ canopy dominated by Metrosideros, 8-12 m, or Aleurites, 8-10 m with abundant understory of Psidium guajava, w/ Pisonia umbellifera, Ilex, Psychotria mariniana, Kadua affinis, steeper open slopes wi Preserved_Specimen Shrub, 3 m tall, main stem brown or with reddish tinge 3.5 cm dia., lateral inflorescence, occasional to uncommon. Wood, K.R. 13688 Kauai BISH 2009-04-12
18 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details On steep bank above stream Preserved_Specimen Flynn, T.W. 1345 Kauai BISH 1985-11-01
19 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Sides & crest of ridge, with ohia Preserved_Specimen Christensen, C. 181 Kauai BISH 1977-04-09
20 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Dicranopteris-montane mesic to wet forest. W/Broussaisia arguta, Kadua affinis, Melicope spp, Psychotria mariniana, coprosma waimeae, rich fern understory with Asplenium insiticeum, A. polyodon, Athyrium microphyllum, Diplazium sandwichianum, Preserved_Specimen Sub-shrub, 2,5 m tall, inforescence on lateral branches, occasional Wood, K.R. 14375 Kauai BISH 2010-11-18
21 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details In ditch or disturbed areas in a wet gulch, good sun. Preserved_Specimen Herb 3/4 - 1 m tall; no flower present. Earle, E. 16 Kauai BISH 1972-04-06
22 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Deep valley surrounded by steep cliffs ca. 1000 m, high laced with waterfalls, low primary vegetation of small, stunted trees 1-2 m tall, numerous pteridophytes, & Gunnera over saturated, rocky ground Preserved_Specimen Monocarpic herb 1-1.5 m tall, sparsely branching. Ray florets yellow, usually 5 Lorence, D.H. 5372 Kauai BISH 1987-07-23
23 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details On well-shaded rd bank growing with exotic weeds Preserved_Specimen Plants reaching a ht of about 2 m in nature (.7 m in greenhouse), achenes black, slender, without awns, slightly twisted or straight Gillett, G.W. 1765 Kauai BISH 1965-06-09
24 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details On cliff Preserved_Specimen Hobdy, R.W. 78 Kauai BISH 1969-01-19
25 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron-Dicranopteris lowland wet forest and shrubland with Chierodendron fauriei, C. platyphyllum, Bourssaisia arguta, Melicope feddei, Psychotria mariniana, P. hexandra, P. wawrae, Kadua affinis, Antidesma platyphylla, Alyxia stellata, Syzygium sanwice Preserved_Specimen shrub, 1.5 m tall, flowering on lateral branches Wood, K.R. 15594 Kauai BISH 2013-08-08
26 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Wet forest Preserved_Specimen Christensen, C. 75 Kauai BISH 1976-10-23
27 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Near dry cave, Partly shaded ledgess Preserved_Specimen Degener, O. 20422 Kauai BISH 1950-01-29
28 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Riparian vegetation with moderate to steep slopes 70-80% cover. W/ canopy dominated by Metrosideros, 8-12 m, or Aleurites, 8-10 m with abundant understory of Psidium guajava, w/ Pisonia umbellifera, Ilex, Psychotria mariniana, Kadua affinis, steeper open slopes wi (habitat description abruptly ends) Preserved_Specimen shrub, 3 m tall, main stem brown or with reddish tinge 3.5 cm dia., lateral inflorescense, occasional to uncommon Wood, K.R. 13688 Kauai BISH 2009-04-12
29 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Dubautia-Sadleria shrubland-fernland w/ Dubautia imbricata subsp. acronaea, D. knudsenii subsp. filiformis, D. laxa subsp. hirsuta, D. paleata, D. raillardioides, D. pauciflorula, Sadleria cyatheoides, S. pallida, S. souleyetiana, S. squ Preserved_Specimen Shrub, 2 m tall, flowering in lateral branches, common. Wood, K.R. 16090 Kauai BISH 2014-09-18
30 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details In a ditch or disturbed areas in a wet gulch, good sun Preserved_Specimen Herb, 3/4-1 in, no flowers present Earle, E. 16 Kauai BISH 1972-06-04
31 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Dicranopteris/Diplopterygium lowland wet forest. With Psychoria mariniana, Cyanea habenata, Broussaisia arguta, Touchardia, Cyanea fissa, Pritchardia perlmanii, Bidens campylotheca, Dubautia laxa subsp. Hirsuta, Urera glabra, Dubautia knudsenii var Preserved_Specimen 6 ft. tall. Possibly some crossing w/ Bidens campylotheca. Flowering on lateral branches, stems square. Heade of achenes twisted together, individual achene twisted up to 3X, not winged. Florets with yellow stigma, black anther, yellow corolla tube. 5 Rays yellow-orange to 12 florets Tangalin, N. 1057 Kauai BISH 2006-10-18
32 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Relic Metrosideros mixed mesic forest w/ Acacia koaia, Dicranopteris linearis, Psychotria mariniana, Bobea elatior, Rockia sandwicensis, Bidens forbesii, Chrysodracon aurea, Santalum pyrularium, Freycinetia arborea, Psydrax odorata, Schie Preserved_Specimen Shrub, 1.25 m tall, in flower and fruit, occasional. Wood, K.R. 18621 Kauai BISH 2021-01-07
33 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Rocky, moist, dappled sun 5-10 deg slope Preserved_Specimen Shrub, dark yellow flowers with 5 ray petals, center looks like marigold, fruit marigold like, persists after dead Earle, E. 4 Kauai BISH 1972-05-20
34 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron mixed wet forest with matting ferns of Diplopterygium and Dicranopteris, windswept ridges and forest patches interspersed with bogs w/ Psychotria mariniana, Antidesma platyphylla, Kadua affinis, Melicope clusiifolia, Vaccinium calycinum, Coprosma kauaense, Dubautia laxa, D. paleata, D. imbricata acronaea Preserved_Specimen shrub, 2 m tall, flowering on lateral branches, occasional Wood, K.R. 14829 Kauai BISH 2012-01-10
35 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Scattered on plateau & steep slopes Preserved_Specimen Hobdy, R.W. 3358 Kauai BISH 1991-06-18
36 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Near wet cave, among talus Preserved_Specimen Degener, O. 20421 Kauai BISH 1950-01-29
37 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details In moist bottom of woods Preserved_Specimen Plant erect, 8 ft high, rays pale yellow St.John, H. 13975 Kauai BISH 1934-01-01
38 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros Montane Wet Mixed Community with sedges, grasses, and bryophytes. Epiphytes are common in the shrub layer. Associated plants; Cheirodendron, Eurya, Cyrtandra, Dubautia, Coprosma, Melicope, Hedyotis, Plantago, Peperomia, Pipturus, Preserved_Specimen 2 m tall. Leaves glabrous, green above, hairy light green below; stems yellow green; infloresence yellow green; 5 ray florets, yellow and ribbed; 12-16 disk florets, yellow. Wood, K.R. 188 Kauai BISH 1988-09-10
39 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details narrow carved drainage strewn with boulders; Metrosideros, Acacia, Dicranopteris, Psychotria mariniana, Pisonia, Hedyotis terminalis, Cyanea fissa, Pittosporum glabrum, Piper methysticum Preserved_Specimen herb or subshrub; stems decumbent green or green brown; 5 ray florets 8-10 mm long, ~10 disk florest Wood, K.R. 7294 Kauai BISH 1998-04-29
40 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details On well-shaded rd bank growing with exotic weeds Preserved_Specimen Plants reaching a ht of about 2 m in nature (.7 m in greenhouse), achenes black, slender, without awns, slightly twisted or straight Gillett, G.W. 1765 Kauai BISH 1965-06-09
41 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Wet, open, riparian vegetation among rock fall zone at base of back wall. On small stream among scree slopes below N side of wall. With Psychotria, Perrotettia, Freycinetia, Sadleria, Cyanea acerifolia, Touchardia, Sphenomeris chinensis. Preserved_Specimen Shrub, 1.5 m tall with spreading crown. Trauernicht, C. 731 Kauai BISH 2009-02-11
42 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details NE exposure on steep rocky slope. Mixed in Kukui/guava forest. Large, sprawling shrub, some plants 6 ft. tall. Preserved_Specimen Large sprawling shrub, some plants 6 ft. tall. Ray flowers yellow, five. Disc flowers orange. Common. Flynn, T.W. 1554 Kauai BISH 1986-02-24
43 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Low, wet elfin cloud forest of Metrosideros spp., Cheirodendron, & Pelea spp. trees covered by bryophytes, interspersed with low shrubland of Metrosideros, Myrsine, & Vaccinium, & open boggy areas with native herbs (Oreobolus, Dichanthelium, Viola) highly invaded by weedy Juncus planifolius. Preserved_Specimen Herb 1.5 m tall. Inflorescences lateral, ray florets yellow, 5, disc florets orange brown. Lorence, D.H. 6044 Kauai BISH 1988-06-18
44 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Deep valley surrounded by steep cliffs ca. 1000 m, high laced with waterfalls, low primary vegetation of small, stunted trees 1-2 m tall, numerous pteridophytes, & Gunnera over saturated, rocky ground Preserved_Specimen Monocarpic herb 50-80 cm tall, ray florets (3-)4-5. Locally fragrant Lorence, D.H. 5323 Kauai BISH 1987-07-23
45 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros lowland wet forest, 8-12 m canopy, surrounded by steep valley walls with Dicranopteris and mixed shrubs Understory dominated by Antidesma w/ Syzygium, Broussaisia, Perrottetia, Cyrtantra spp, Psychotria spp, dubautia spp, Labordia spp, Coprosma waimeae, Cheirodendron spp, Polyscias kavaiensis, P. oahuen Preserved_Specimen shrub, 1.5 m tall, flowering on lateral branches, common Wood, K.R. 15696 Kauai BISH 2013-10-10
46 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Disturbed roadside bank with Casuarina & Hibiscus tiliaceus Preserved_Specimen Half-woody perennial to ca 1 m high Fay, J.J. 160 Kauai BISH 1974-01-11
47 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros Montane Wet Mixed Community with sedges, grasses, and bryophytes. Epiphytes are common in the shrub layer. Associated plants; Cheirodendron, Eurya, Cyrtandra, Dubautia, Coprosma, Melicope, Hedyotis, Plantago, Peperomia, Pipturus, Preserved_Specimen 1 m tall. Leaves glabrous, green above and below; 5 ray florets, yellow; 8-12 disk florets. rusty yellow. Wood, K.R. 167 Kauai BISH 1988-09-08
48 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Plants upright to 8 ft ht, fl yellow. Christensen, C. 309 Kauai BISH 1978-01-17
49 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Plants upright to 8 ft ht, fl yellow. Christensen, C. 309 Kauai BISH 1978-01-17
50 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Stream bank Preserved_Specimen St.John, H. 10947 Kauai BISH 1931-01-01
51 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 82 Kauai BISH 1909-07-23
52 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Herbst, D.R. 2865 Kauai BISH 1973-01-19
53 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 82 Kauai BISH 1909-07-23
54 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Krauss, N.L.H. 890 Kauai BISH 1963-03-10
55 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Lamoureux, C.H. 743 Kauai BISH 1955-06-18
56 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Herbst, D.R. 2865 Kauai BISH 1973-01-19
57 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Fagerlind, F. 6555 Kauai BISH 1948-05-10
58 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Faurie, A. 993 Kauai BISH 1910-01-01
59 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Wichman, J.R. 1140 Kauai BISH 1953-09-03
60 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 82 Kauai BISH 1909-07-23
61 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Montgomery, S.L. 8 Kauai BISH 1970-08-27
62 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Hobdy, R.W. 113 Kauai BISH 1969-06-14
63 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Wagner, W.L. 5167 Kauai BISH 1983-12-21
64 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Fagerlind, F. 6555 Kauai BISH 1948-05-10
65 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Fagerlund, G.O. 6555 Kauai BISH 1948-03-10
66 Bidens forbesii subsp. forbesii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Degener, O. Kauai BISH 1952-01-16