Difference between revisions of "Pennisetum macrostachys"
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|subfamily=Poaceae subfam. Panicoideae | |subfamily=Poaceae subfam. Panicoideae | ||
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Latest revision as of 17:56, 11 May 2021
Plants perennial, or annual in temperate climates; cespitose. Culms 100-300 cm, erect, branching; nodes glabrous. Leaves burgundy; sheaths glabrous; ligules 0.1-0.3 mm; blades 30-53.5 cm long, (15) 18-35 mm wide, flat, glabrous. Panicles terminal, (15.5)18-40 cm long, 32-50 mm wide, fully exerted from the sheaths, flexible, drooping, burgundy; rachises terete, shortly pubescent. Fascicles 17-22 per cm; fascicle axes 0.5-0.7 mm, with 1 spikelet; outer bristles 21-40, 1.2-22.3 mm, scabrous; inner bristles absent; primary bristles 20-23 mm, not noticeably longer than the other bristles, scabrous. Spikelets 4.4-4.9 mm, sessile or pedicellate, glabrous; pedicels to 0.1 mm; lower glumes 1.1 - 1.3 mm, veinless; upper glumes 2.1 - 2.8 mm, usually about 1/2 as long as the spikelets, 1-3-veined; lower florets staminate (sterile); lower lemmas 4-4.5 mm, 5-veined; lower paleas absent or to 2.6 mm; anthers absent or 1.4-1.6 mm; upper lemmas 4.3-4.8 mm, 5-veined; anthers 1.6-1.8 mm. 2n = 68.
Discussion
Pennisetum macrostachys is native to the South Pacific. It is grown in the Flora region as an ornamental species, being sold as 'Burgundy Giant'.
Selected References
None.