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Phyllostegia pilosa

H.St.John (1987)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Lamiales Family: Lamiaceae Genus: Phyllostegia

Description

Key Characters:

Growth Form: Suberect perennial herbs.

Stems: Stems moderately short–hirtellous, the trichomes spreading, usually somewhat antrorsely so.

Roots:

Leaves: Leaves simple. Opposite. Blades ovate to occasionally elliptic–ovate, up to 8–14 cm long, 3–4.5(–7.5) cm wide. Apex acute to short-acuminate. Base subcordate or occasionally truncate. Lower surfaces glandular–dotted and short–hirtellous, densely so along veins, the trichomes erect to somewhat crinkly, 0.2–0.3 mm long. Margins evenly crenate. Petioles 2.5–3.2(–4.5) cm long. Stipules absent.

Flowers: Flowers 6–12 per verticillaster, in relatively narrow, usually simple, terminal, bracteate, inflorescences 7–12 cm long, pubescent with spreading to erect trichomes usually 0.1–0.2 mm long, pedicels 0.6–1.8 mm long. Calyx 3.2–3.6 mm long, enlarging in fruit, short-hispidulous, more densely so toward the apex, and inconspicuously glandular–dotted, usually 5-toothed, the teeth linear–deltate, 0.7–1.6 mm long, apex acute, splitting longitudinally, usually persistent or sometimes only ventral 1/2 persistent. Corolla bilabiate, white, tube slender, slightly curved, 7.3–10 mm long, short–villous, the trichomes somewhat appressed, and inconspicuously glandular–dotted, lower lip 3.5–5.5 long; nectary disk often present at base of ovary, annular or developed on anterior side only. Stamens 4, both pairs of similar length or upper pair slightly longer, ascending the upper corolla lip, included, aligned with the sinuses; filaments inserted near throat, usually pubescent; anthers dithecal, opening by longitudinal slits; anther sacs divaricate. Ovary superior, 2-carpellate; ovules 1 per ovary lobe, placentation basal-axile; style 1, included, arising between lobes, shortly 2-lobed, the lobes clavate; stigmatic only at apex, 1 lobe often rudimentary; stigmas 2.

Fruit: Nutlets ca. 2–3 mm long; 1-seeded; dark green to black; drupaceous; exocarp fleshy; obovoid; margins slightly winged; obliquely attached at the connate base; spreading and exserted from calyx at maturity. Seeds with endosperm absent or scanty and oily.

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Molokai Endemic
Maui Endemic

Dispersal Agents


Pollinators

Bibliography

Name Published In: Phytologia 63: 179 (1987)

Other References

St. John 1987a:179 (SPNOV/EM, DESCR); Wagner 1999a:274 (Mo, EM, WM, DESCR); Wood et al. 2019 (EXTINCT); Forbes 102.Mo BISH (Mo†, 1912); Perlman 23509 BISH (M†, 2013)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information Mesic forest PRESERVED_SPECIMEN Perlman, S. P.; Oppenheimer, H. L.; Bustamente, K. M. 23509 Maui US 6/5/2013
2 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information Acacia koa- Metrosideros forest. PRESERVED_SPECIMEN K. R. Wood 8971 Maui PTBG 5/23/2001
3 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information Vegetation: Acacia/Metrosideros Forest w. Cheirodendron, Myrsine, Melicope, Ilex, Vaccinium, Rubus, Athyrium, Alyxia, Diplazium, Sadleria, Asplenium, Uncinia, Carex, Dryopteris, Elaphoglossum, Peperomia, Polypodium, Lepisorus, Pteris, Coniogramme. PRESERVED_SPECIMEN oppenheimer, h.l. collector number: h50605 Maui BISH 5/3/2006
4 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN s. p. perlman, h. l. oppenheimer & k. m. bustamente 23509 Oahu US 6/5/2013
5 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN Wawra, H. 1915 Kauai BISH 2/10/1905
6 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information Mesic forest PRESERVED_SPECIMEN S. P. Perlman, H. L. Oppenheimer & K. M. Bustamente 23509 Maui US 6/5/2013
7 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information Along stream bed PRESERVED_SPECIMEN Rock, J.F.C. 7023 Molokai BISH 4/1/1910
8 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information Vegetation: Acacia/Metrosideros Forest w. Cheirodendron, Myrsine, Melicope, Ilex, Vaccinium, Rubus, Athyrium, Alyxia, Diplazium, Sadleria, Asplenium, Uncinia, Carex, Dryopteris, Elaphoglossum, Peperomia, Polypodium, Lepisorus, Pteris, Coniogramme. PRESERVED_SPECIMEN Oppenheimer, H.L. H50605 Maui BISH 5/3/2006
9 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information Acacia koa-Metrosederos polymorpha mesic forest With Sadleria cyathioides., Pipturus albidus, Clermontia arborescens, Cheirodendron trigynum, Broussaisia arguta, Coprosma foliosa, Perrottetia sandwicensis, Melicope clusifolia, Diplazium sandwichian PRESERVED_SPECIMEN Perlman, S. 23509 Maui BISH 6/5/2013
10 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN rock, j.f.c. collector number: 6119 Molokai BISH 3/20/1912
11 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN Rock, J.F.C. 6119 Molokai BISH 3/20/1912
12 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN mann, h. brigham, w.t. collector number: 405 Maui BISH
13 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information Vegetation: Acacia/Metrosideros Forest w. Cheirodendron, Myrsine, Melicope, Ilex, Vaccinium, Rubus, Athyrium, Alyxia, Diplazium, Sadleria, Asplenium, Uncinia, Carex, Dryopteris, Elaphoglossum, Peperomia, Polypodium, Lepisorus, Pteris, Coniogramme. PRESERVED_SPECIMEN Oppenheimer, H.L. Collector Number: H50605 Maui BISH 5/3/2006
14 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information Sparingly naturalized in this area. PRESERVED_SPECIMEN rock, j.f.c. collector number: 10325 Hawaii BISH 3/1/1912
15 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN wawra, h. collector number: 1915 Kauai BISH 1868-01-01
16 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN Rock, J.F.C. 10325 Maui BISH 3/1/1912
17 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN forbes, c.n. collector number: 102mo Molokai BISH 6/1/1912
18 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN Forbes, C.N. 102Mo Molokai BISH 6/1/1912
19 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN Mann, H. 405 Maui BISH 2/6/1905
20 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN j. f. c. rock 7023 NY 4/7/1910
21 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information Along stream bed PRESERVED_SPECIMEN rock, j.f.c. collector number: 7023 Molokai BISH 4/1/1910
22 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN j. f. c. rock 6119 NY 3/20/1912
23 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information Acacia koa- Metrosideros polymorpha mesic forest PRESERVED_SPECIMEN Steve Perlman 23510 Maui PTBG 6/5/2013
24 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information Acacia koa- Metrosideros polymorpha mesic forest PRESERVED_SPECIMEN Steve Perlman 23509 Maui PTBG 6/5/2013
25 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN Hank Oppenheimer H50605 Maui PTBG 5/3/2006
26 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN rock, j.f.c. collector number: s.n. Maui BISH 3/1/1912
27 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information In Metrosideros montane wet forest. PRESERVED_SPECIMEN Steve Perlman 10773 Maui PTBG 12/12/1989
28 Phyllostegia pilosa H.St.John Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN Rock, J.F.C. s.n. Maui BISH 3/1/1912
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