Pennisetum latifolium

Spreng.
Common names: Uruguay fountaingrass
Introduced
Treatment appears in FNA Volume 25.

Plants perennial; cespitose. Culms 1.5-3 m, erect; nodes pubescent. Sheaths pubescent or scabrous, margins ciliate; ligules 1.3-2 mm; blades 30-75 cm long, 19-45 mm wide, flat, glabrous, pseudopetiolate. Panicles terminal on the culms and axillary in the upper leaf-sheaths, 2.2-9.5 cm long, 10-15 mm wide, fully exerted from the sheaths, flexible, drooping, green to stramineous; rachises terete, scabrous or sparsely pubescent. Fascicles 5-13 per cm; fascicle axes about 0.3 mm, with 1 (2) spikelet (s); outer bristles 8-33, 1.1-11 mm, brittle; inner bristles absent; primary bristles (11.5) 15.7-26.5 mm, scabrous, noticeably longer than the other bristles. Spikelets 4-7 mm, sessile; lower glumes 1.2-2.2 mm, 1 (2) -veined, scabridulous and ciliolate distally; upper glumes 1.8-3.3 mm, 3-veined, margins ciliolate; lower florets sterile; lower lemmas 4.8-6.8 mm, 5-8-veined; lower paleas absent; upper lemmas 4.6-5.5 mm, 5-veined; upper paleas 2-3-veined; anthers 1.2-1.5 mm. Caryopses 2.5-2.8 mm long. 2n = 36.

Discussion

Pennisetum latifolium is native to South America. It is occasionally grown as an ornamental in the Flora region.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number."elongated" is not a number.

... more about "Pennisetum latifolium"
0.12 cm1.2 mm <br />0.0012 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
anatomy +  and kranz +
J.K. Wipff +
Spreng. +
1 (?) +  and 3 (?) +
keeled +  and rounded +
pseudopetiolate +  and branching +
divergent +  and parallel +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
membranous +
pseudopetiolate +
non-radiate +  and radiate +
30 cm300 mm <br />0.3 m <br /> (75 cm750 mm <br />0.75 m <br />) +
usually linear +  and lanceolate occasionally ovate +
19mm;45mm +
spikelike +
reduced +
disarticulating +
fused +  and free +
not developed +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
terete +  and compressed +
sometimes longer +
Uruguay fountaingrass +
150 cm1,500 mm <br />1.5 m <br /> (300 cm3,000 mm <br />3 m <br />) +
not woody +
La. +, Okla. +  and Calif. +
0.3 cm3 mm <br />0.003 m <br /> (?) +
capillary +
germination +
pistillate +  and staminate +
sometimes longer +
compressed +  and terete +
shorter or longer +
subtending +
unequal +
membranous +
uncinate +
bracteate +  and ebracteate +
usually flatter and wider +
hollow +  and solid +
cauline +  and basal +
coriaceous +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
membranous +
inconspicuous +
scabridulous +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
0.48 cm4.8 mm <br />0.0048 m <br /> (0.68 cm6.8 mm <br />0.0068 m <br />) +
complex +  and simple +
concealed +  and prominent +
0.11 cm1.1 mm <br />0.0011 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
green +  and stramineous +
2.2cm +  and 9.5cm +
subterranean +
1 +  and many +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
dry +  and fleshy +
long-ciliate +  and scabrous +
1.57 cm15.7 mm <br />0.0157 m <br /> (2.65 cm26.5 mm <br />0.0265 m <br />) +
pubescent +  and scabrous +
scabrous +  and pubescent +
Introduced +
in triplets +  and paired +
unisexual +  and bisexual +
compressed +  and terete +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
1 (?) +  and 3 (?) +
fused +  and free +
2 (?) +  and 3 (?) +
dome--shaped +  and triangular +
Gramineae +
Pennisetum latifolium +
Pennisetum +
species +
membranous +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.33 cm3.3 mm <br />0.0033 m <br />) +
0.46 cm4.6 mm <br />0.0046 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
membranous +  and coriaceous +
plant +  and cespitose +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +
9 +, 8 +, 7 +  and 5 +