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Anatherum bicorne

(L.) P.Beauv. (1812)

This name is accepted

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

barbas de indio, bicornis grass

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Bibliography

Name Published In: Ess. Agrostogr.: 128 (1812)

Other References

Snow & Lau 2010:46 (NEWNAT/K, A. glomeratus & A. virginicus & Schizachyrium scoparium misapplied, in part = Andropogon bicornis, KEY, DESCR); Lau & Frohlich 2015:37 (H); Faccenda 2023c:138 (KEY); Vorontsova et al. 2023:12 (Syn. Andropogon bicornis = Anatherum bicorne); Faccenda, Yorkston & Morden 2024:38 (ID confirmed via ITS sampling)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Anatherum bicorne Hanalei District, Limahuli Valley West side of ridge separating Limahuli and Hanakapiai valleys, above waterfall Almost undisturbed low elevation rain forest. Predominantly Metrosideros, Antidesma, Cibotium, and Dicranopteris. Preserved_Specimen Whole plant with brownish colouration. Flynn, T.W. 2679 Kauai BISH 1987-12-10
2 Anatherum bicorne Waimea Canyon State Park, Iliau Nature Loop Dry shrubland with Wilkesia, Dodonaea, Styphelia, and Pteridium. Preserved_Specimen Imada, C. 9910 Kauai BISH 1999-03-07
3 Anatherum bicorne Hanalei District Hanalei Natl. Wildlife Refuge Slopes, occasional, above primary taro field Preserved_Specimen Wagner, W.L. 6278 Kauai BISH 1989-11-20
4 Anatherum bicorne Hanalei District; Princeville side of Powerline Trail near pole # T149, Halelea Forest Reserve, Kauai On Powerline road In Wet Ohia Forest. Nephrolepis brownii, Andropogon virginicus var. virginicus, Paspalum conjugatum, Xyris complanata, Dicranopteris linearis, Metrosideros polymorpha var. glaberrima, Pritchardia waialealae Preserved_Specimen Grasses dominating the former road from side to side and stretching in both directions, most around 2m tall but some up to 2.5m. Broom-like inflorescences topping green culms, red near base. Williams, A.M. 765 Kauai BISH 2022-10-21
5 Anatherum bicorne Along the border of Hanalei & Kawaihau districts Forest Reserve lands. Summit camp area of the powerline trail Common along road. Stunted forest dominated by Metrosideros, Antidesma and Dicranopteris with numerous Pritchardia. Preserved_Specimen Forming clumps to six ft. high. Culm red; sheath and blade dull green; inflorescence silvery. With Sphenomeris and Lycopodium Flynn, T.W. 3547 Kauai BISH 1989-10-03
6 Anatherum bicorne Hanalei Distr., Kahili ahupuaa, small excavated pond along feeder stream on east side of Puu Ka Ele Reservoir Open flat ground with no overstory back of pond margin. Associated with Stachytarpheta, Pseudelephantopus, Sacciolepis, and alien trees and shrubs. Preserved_Specimen Bunchgrass 6 ft. tall. Inflorescences reddish brown. Common in the area. Imada, C. 200158 Kauai BISH 2001-09-27
7 Anatherum bicorne Waimea District. Bogs at headwater of Waikoali Stream, West Alakai Wilderness Preserve Kauii Ohia/Kuolohia Oreobolus, Metrosideros polymorpha/Rhynchospora chinensis subsp. speciformis/ Orebolus furcatus. Mixed Bog montis-eeka, Rhynchospora chinensis subsp. speciformis, Oreobolus furcatus, Metrosideros polymorpha var. pumia, Wikstroemia oahuensis var palustris, Cibotium, Dichanthelium, Drosera anglica, A Preserved_Specimen Plants now common in open areas of the bog, growing synpatrically with A. virginicus, but this species is the more dominant. Around .9 m tall, most plants wiout inflorescences,.I collected the only ones that currently had. Most of the plant material looks dead, though new leaves are sprouting from base. Lack of awns Williams, A.M. 814 Kauai BISH 2023-08-24
8 Anatherum bicorne Hanalei District: Hanging gulch in Hanalei Valley, near Kawailewa, Halelea Forest Reserve. In open swampy area where streams converge just before plunging over sheer cliff, surrounded by Ohia/Uluhe (Metrosideros/Dicranopteris) Fern forest Metrosideros polymorpha var. glaberrima, Machaerina angustifolia, Axonopus fissifolius, Juncus planifolius, Miconia crenata, Cyperus meyenianus, Selaginella arbuscula Preserved_Specimen A large nearly continuous patch of grasses, extending from where the forest ends to near the edge of cliff, covering the swampy ground to the exclusion of most else. All in flower, erect culms and inflorescence 1.5 - 2 m tall. Tentative ID based on absence of hairs on ligules. Observed in most of the open ares of the Williams, A M. 770 Kauai BISH 2022-12-01
9 Anatherum bicorne Puna, Lava Tree State Park, off trail near clearings for utility lines. Wet lowlands, disturbed open area, with scattered ohia present. Preserved_Specimen Bunchgrass, with culms to 2.5 m. Lau, A. 2013122801 Hawaii BISH 2014-12-28
10 Anatherum bicorne Lihue District. Wahiawa, ridge and side drainage northeast of Hulua Metrosideros - Dicranopteris low statured wet forest. W/Machaerina angustifolia, Gahnia beecheyi, Cheirondendron platyphylla, Psychotria mariniana, Dubautia laxa, Broussaisia arguta, Syzygium snadwicensis, Melicope feddei, Sphenomeris chinensis, Sadleria Preserved_Specimen significant invasive grass mostly covering flats near stream, with A. virginicus and invasie shrub Clidemia hirta. Wood, K.R. 14352 Kauai BISH 2010-10-14
11 Anatherum bicorne Waioli, 100 m inland from the old Japanese cemetary along Waioli Valley Road, Vegetation is mostly alien. Preserved_Specimen Very common in the area, which was burned about 10 years ago. Funk, E.J. Kauai BISH 1989-10-27
12 Anatherum bicorne Wainiha Valley Road Roadside wasteland. Heavy rainfall. Preserved_Specimen Ishii, L. Kauai BISH 1987-09-18
13 Anatherum bicorne Waimea District, Kahelu Ridge Preserved_Specimen Coarse grass common in this area. Herbst, D.R. 9773 Kauai BISH 1996-06-04
14 Anatherum bicorne Waimea District. Waimea Canyon State Park Hwy 550 near Hunter check-in station, ca mile 7.2 Preserved_Specimen Tall, clump forming grass of five ft. Entire plant a golden-brown colour. Flynn, T.W. 2717 Kauai BISH 1988-01-27
15 Anatherum bicorne Awaawapuhi Valley, end of Awaawapuhi Trail, at lookout Preserved_Specimen Corn, C. Kauai BISH 1987-06-16
16 Anatherum bicorne Pāhoa Park, rear portion of park near baseball diamonds Weedy edges of fields Preserved_Specimen Associated with Schizachyrium condenstatum but much taller. Culms cylindrical at base, much like lemongrass (contrast with A. tenuisptheus which has compressed culms similar to Andropogon virginicus or pili grass). Clump forming grass to almost 2 m, clump Faccenda, K. 2251 Hawaii BISH 2022-02-28
17 Anatherum bicorne Kalaheo, on Puu rd. Lowland weedy road cut. Preserved_Specimen 2 - 2.5 m tall bunchgrass, overall habit fountainlike/rounded to 1.5 m wide. Blade margins toothed. Many infl.'s present but spent, only a few spikelets present. OED 2010021802 Kauai BISH 2010-02-18
18 Anatherum bicorne Waioli, 100 m inland from the old Japanese cemetary along Waioli Valley Road, Vegetation is mostly alien. Preserved_Specimen Very common in the area, which was burned about 10 years ago. Funk, E.J. Kauai BISH 1989-10-27
19 Anatherum bicorne Waimea Canyon Road ca. 9 km N of Waimea Dry, sunny area on side of road from compressed soil Preserved_Specimen Common along the road, clums up to 2 m tall, circular at base, leaves v shaped and strongly scabrous on the edges Faccenda, K. 2460 Kauai BISH 2022-06-02
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