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Christmas Grass

Themeda arguens (L.) Hack.

Comprehensive Description

provided by North American Flora
Themeda arguens (L.) Hack, in DC. Monog. Phan. 6 : 657. 1889
Siipa arguens X,. Sp. PI. ed. 2. 117. 1762. Anthisiiria arguens Willd. Sp. PI. 4 : 901. 1806.
Annual. Stems up to 3 m. tall; leaf -sheaths glabrous or hairy; blades up to 4 dm. long, 3-6 mm. wide, glabrous or sometimes hairy at the base; panicle occupying usually less than one half of the stem; spathes 3-4 cm. long, longattenuate at the apex, usually more
4
or less hirsute; involucral spikelets 7-10 mm. long, the first scale acuminate or cuspidate; pedicellate spikelets subulate, similar to the involucral; sessile spikelets 9-11 mm. long, including the pimgent callus which is 3-4 mm. long and densely barbed with brown hairs, the first scale hispidulous above, the foiu-th scale with an awn 5-9 cm. long.
Type locality : India.
Distribution : Introduced into Jamaica. Native from Malacca to northern Australia.
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bibliographic citation
George Valentine Nash. 1912. (POALES); POACEAE (pars). North American flora. vol 17(2). New York Botanical Garden, New York, NY
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