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Pentapogon micranthus

(Cav.) P.M.Peterson, Romasch. & Soreng (2021)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Monocots Order: Poales Family: Poaceae Genus: Pentapogon

purple plume grass

Description

Key Characters:

Growth Form:

Stems:

Roots:

Leaves:

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Fruit:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Kaua'i Potentially naturalizing
Molokai Extirpated
Lana'i Naturalized
Maui Potentially naturalizing
Hawai'i Extirpated

Dispersal Agents


Pollinators

Bibliography

Name Published In: J. Syst. Evol. 60: 587 (2021)

Other References

Wagner et al. 1990:1482 (L? [as Dichelachne sciurea, single spm.], DESCR); Herbst & Clayton 1998:22 (Syn. Dichelachne sciurea = D. micrantha); Snow & Davidse 2011:18 (NEWNAT/K, Garnotia acutigluma misapplied, in part = D. micrantha); Faccenda 2022:55 (EM); Peterson et al. 2022:587 (Syn. D. micrantha = P. micranthus); Faccenda & Sprague 2024:148 (L nat. confirmed); Faccenda 2025b:119 (Mo, H); Hosaka 3659 BISH (Mo†, 1952); Hosaka 4011 BISH (H†, 1956)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Pentapogon micranthus Hawea Pl., sky deck. Scattered small clumps in pathway and poking out through vegetation. Naturalized. Mesic mid-elevation, dry ridge with Eucalyptus, Kalanchoe, and Kikuyu Preserved_Specimen Starr, F. 22110502 Maui BISH 2022-11-05
2 Pentapogon micranthus Waimea District, Waimea Canyon State Park, Hwy 550 near mile 12 Heavily disturbed Acacia koa forest with Lantana, Psidium, Dodonaea, Stenotaphrum, Axonopus, Plantago, and Setaria. Preserved_Specimen Erect herb; blades dark dull green, culms dark green, nodes swollen, pale green; inflorescence pale green, awns reddish. Flynn, T.W. 6145 Kauai BISH 1997-04-28
3 Pentapogon micranthus Maunalei Gulch, Maunalei Pipe line trail Rare in semi-dry pasture. Preserved_Specimen Hosaka, E.Y. 1947 Lanai BISH 1938-04-12
4 Pentapogon micranthus West Maui, Wailuku District, old pasture W of Pohakea Gulch, mauka of Puu Anu Occasional in old pasture dominated by Digitaria eriantha, Pennisetum clandestinum, Metrosideros, and Leptecophylla Preserved_Specimen Oppenheimer, H.L. 52004 Maui BISH 2020-05-07
5 Pentapogon micranthus Maunalei Gulch, Maunalei Pipe line trail Rare in semi-dry pasture. Preserved_Specimen Hosaka, E.Y. 1947 Lanai BISH 1938-04-12
6 Pentapogon micranthus Olinda. Hawea Pl. On margin of lawn. A few. Sticking out above ot her grasses. Naturalized. Mesic lawn and pasture. In assoc. with Pennisetum clandestinum and Acacia mearnsii. Preserved_Specimen A few. Sticking out above other grasses. Starr, F. 11033101 Maui BISH 2011-03-31
7 Pentapogon micranthus Hamakua, Honokaa, Pauhau 3 paddock In moist pasture Preserved_Specimen very rare Hosaka, E.Y. 4011 Hawaii BISH 1956-07-04
8 Pentapogon micranthus Lanaihale, northern part about 2 km. from Keomoku Road. WGS coordinATES: Lat. 20.847848, Long. -156.907514 Roadside, sunny, dry, growing from eroded soil on slope. Patch of about 20 plants seen only in this area. Preserved_Specimen Faccenda, K. 32177 Lanai BISH 2023-06-23
9 Pentapogon micranthus Kaunakakai In dry patch, growing with Kikuya grass, semi-moist pasture soil poor Preserved_Specimen Occasional Hosaka, E.Y. 3659 Molokai BISH 1952-05-02
10 Pentapogon micranthus Olinda, Hawea Pl Weed along trail in private residence Preserved_Specimen Uncommon in area Faccenda, K. 2812 Maui BISH 2022-10-27
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