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Info
Subfamily: Panicoideae
Genus etymology: Thysanolaena = "brush cloak" [Greek] refering to the hairy second lemma
Species etymology: latifolia = "broad leaved" [Latin] with broad leaves
Photosynthetic type: C3 (cool season)
Nativity: naturalized - intentional
First recorded in Hawaiʻi: 2000
Map
Inflorescence
image credit: Apichart_Songsangchun
Plant
Spikelets
Collar
Description
Sheaths mostly glabrous, margins often ciliate distally; collars pubescent; blades 20-65 cm long, 2-7(10) cm wide, flat, usually glabrous or mostly so on both surfaces, occasionally sparsely pubescent abaxially, adaxial surfaces often pubescent immediately distal to the collar and ligule. Panicles 17-140 cm; branches to 75 cm, often drooping, pulvini pubescent. Spikelets 1.2-2.8 mm, frequently abortive. Lower glumes 0.5-0.9 mm, broadly ovate; upper glumes 0.5-1 mm, broadly elliptic; lower lemmas 1.3-2.4 mm, elliptic lanceolate, acute to acuminate; upper lemmas 1.2-2.8 mm, lanceolate, acute to acuminate; anthers 0.6-1 mm, yellow; stigmas purple. Caryopses 0.4-0.5 mm. 2n = 24.
(Description source: Barkworth, M.E., Capels, K.M., Long, S. & Piep, M.B. (eds.) 2003. Flora of North America, north of Mexico. Volume 25. Magnoliophyta: Commelinidae (in part): Poaceae, Part 2. Oxford University Press, New York. 783 pp http://floranorthamerica.org/Thysanolaena_latifolia )