Difference between revisions of "Pennisetum macrostachys"

(Brongn.) Trin.
Common names: Pacific fountaingrass
Treatment appears in FNA Volume 25.
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V25/V25_1356.xml
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|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V25/V25_1356.xml
 
|subfamily=Poaceae subfam. Panicoideae
 
|subfamily=Poaceae subfam. Panicoideae
 
|tribe=Poaceae tribe Paniceae
 
|tribe=Poaceae tribe Paniceae

Revision as of 22:01, 27 May 2020

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.

Lower Taxa

None.
... more about "Pennisetum macrostachys"
J.K. Wipff +
(Brongn.) Trin. +
Pacific fountaingrass +
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Gramineae +
Pennisetum macrostachys +
Pennisetum +
species +