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Anatherum tenuispatheum

(Nash) Sorrie & Weakley (2024)

This name is accepted

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

beardgrass, bushy bluestem

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Description

Key Characters:

Growth Form:

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Historical Distribution

Images

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Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Kuaihelani (Midway Atoll) Naturalized
O'ahu Naturalized
Hawai'i Naturalized

Dispersal Agents


Pollinators

Bibliography

Name Published In: J. Bot. Res. Inst. Texas 18: 53 (2024)

Other References

Herbst & Clayton 1998:18 (NEWNAT/K, Schizachyrium condensatum misapplied, in part = Andropogon glomeratus); Starr et al. 2002:22 (Mi [as A. virginicus]); Snow & Lau 2010:47 (Mi, O, H, remove K [re-IDed as A. bicornis], add var. pumilus, KEY); Faccenda 2022:43 (Syn. A. g. var. pumilus = A. tenuispatheus); Faccenda 2023c:138 (KEY); Weakley et al. 2024:53 (Syn. Andropogon tenuispatheus = Anatherum tenuispatheum)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Anatherum tenuispatheum Halawa Valley Grassy field with Pluchea and Acacia koa. Preserved_Specimen Grass 50 cm tall. Lau, A. 2 Oahu BISH 2005-09-28
2 Anatherum tenuispatheum Schofield Barracks East Range. Growing roadside amongst other various grasses, on a dry, solid, almost claylike substrate. This section of road has been unmaintained for several months. Preserved_Specimen Inflorescence white, fastigiate, with long whispy hairs, ca. 2-2.5 feet tall. Found only 1 individual; left clump roadside but removed seeds. Maosi, P. 565 Oahu BISH 2022-01-25
3 Anatherum tenuispatheum Ahuimanu Dry, rocky, lowland knife ridge. Preserved_Specimen Upright bunchgrass 2 ft tall. Flowers mostly spent, w/ one emerging inflorescence. Metzler, K. 4 Oahu BISH 2006-05-25
4 Anatherum tenuispatheum Hwy 11, about 20 mi S from Volcano Edge of pasture, open, sunny, dry area Preserved_Specimen Uncommon in this area Faccenda, K. 2266 Hawaii BISH 2022-03-02
5 Anatherum tenuispatheum Ford Island, Wasp Avenue. UTM 607737, 2362968. Dry, open field dominated by non-native grasses and herbs. Old runway (fill) area. Preserved_Specimen Herbs less than 1 m, Miller, A. 1 Oahu BISH 2015-11-01
6 Anatherum tenuispatheum Mountainview, N. Kulani Rd. 1 km mauka Hwy 11 Roadside, sunny, moist Preserved_Specimen One clump seen, in association with many clumps of Andropogon bicornis in grazed pastures in this area. Faccenda, K. 2256 Hawaii BISH 2022-02-28
7 Anatherum tenuispatheum Ahupuaa of Waikiki, ili aina of Niu. Kulepeamoa ridge on ridge crest. Growing in dry shrubland dominated by Osteomeles anthyllydifolia, Santalum ellipticum, Casuarina equisitifolia, Metrosideros polymorpha, Sida fallax, Cassytha filiformis, Euphorbia celastroides var. amplectens, and others. Preserved_Specimen Small clump of grass with very distinct plume of an infloresence at top of stalk. First time seeing this species in this area. Thomas, M.K. 916 Oahu BISH 2024-11-19
8 Anatherum tenuispatheum H-3 Freeway on Honolulu side near entrance, ca 1/3 of way down declining section of road. GPS coordinates: (616,528.68)(2,366,931.15)[UTM 1983 On roadcut on both Kaneohe and townbound sides of freeway, dense along ca 100 m stretch of highway, very little beyond. Growing in open area with Andropogon virginicus, Glycine wightii, Desmanthus virgatus, Panicum maximum, Chamaecrista nictitans. Growing in partial sun in wet-mesic site, north- and south-facing aspects, on flat slope. Preserved_Specimen 100+ healthy individuals, reproductive. Kawelo, K. Oahu BISH 2002-05-08
9 Anatherum tenuispatheum Temple Valley residence, 47-464 Hui Kelu St. Growing in landscaped lawn. Preserved_Specimen Est. 1000 plants in Temple Valley on over 100 residential lots. Fisher, J.R. Oahu BISH 2005-01-19
10 Anatherum tenuispatheum Waianae Mts., Lower Kaala Forest Reserve. Roadside, bare ground. Preserved_Specimen One individual clump about 14 inches in diameter, 1 m tall. Infloresences mature, light brown in color and dry. Only one individual found in immediate area alongside road. Tamayo, C. 540 Oahu BISH 2020-08-08
11 Anatherum tenuispatheum H3 service road, Halawa Valley, towards the tunnel disturbed flat area, manmade during H3 construction. Habitat is soggy to dry. Receives a lot of rainfall. Preserved_Specimen Halabisky, M. Oahu BISH 2004-10-20
12 Anatherum tenuispatheum Pupukea Forest Reserve, Kaunala Trail Full sun in clearing along trail side. Associates; Digitaria scalarum, Santalum freycinetianum, Eucalyptus sp., Dicranopteris linearis, Melaleuca quinquenervia, Ardisia elliptica, Miconia crenata, Dracaena halapepe Preserved_Specimen K. Arthur 182 Oahu BISH 2025-10-02
13 Anatherum tenuispatheum Hawaii Volcanoes National Park, Kahuku unit, Kau Distr Preserved_Specimen Common grass in lower pastures of central part of ranch near main road. Tunison, T. Hawaii BISH 2003-07-21
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