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Info
Subfamily: Panicoideae
Genus etymology: Dichanthelium = "having two inflorescences" [Greek] refering to the temperate members of this genus which have differently structured spring and fall inflorescences
Species etymology: hillebrandianum = honorific for William Hillebrand 1821 – 1886
Photosynthetic type: C3 (cool season)
Nativity: endemic
Map
Inflorescence
Plant
image credit: Ken Wood
image credit: Ken Wood
Description
Perennials forming tussocks; culms tufted, stout, 15-40 cm tall. Leaves closely imbricate; sheaths puberulent to glabrous on back, usually pubescent on margins at least above; ligule usually 0.3-0.5 mm long; blades 2-5 cm long, 4-8 mm wide, glabrous except those immediately below inflorescences ciliate on margins near base with a few pustulate-based hairs. Panicles 3-5 cm long, main axis and appressed branches glabrous, sparsely pilose, or hispid; spikelets 2-2.7 mm long; first glume 1-nerved or 3- nerved, ca. 1/2 as long as the spikelet. [2n = 18*.]
(Description source: O’Connor, P.J. 1990. Poaceae, pp. 1481–1604. In: Wagner W.L., Herbst D.R. & Sohmer S.H. (eds.)., Manual of the flowering plant of Hawaiʻi. Vol. 2. University of Hawaii Press & Bishop Museum Press, Honolulu )