Chrysopogon pauciflorus

(Chapm.) Benth ex Vasey
Common names: Florida rhaphis
Treatment appears in FNA Volume 25. Treatment on page 633.

Plants annual. Culms 60-110 cm, erect or somewhat decum¬bent. Sheaths glabrous; ligules membranous, ciliolate; blades to 31 cm long, 4-10 mm wide, flat or folded, mostly or completely glabrous, adaxial surfaces some¬times with scattered pubescence at the base. Panicles 20-30 cm, open; branches 5-8 cm, capillary, strongly divergent; rames usually a triplet of spikelets. Sessile spikelets 8.1-10 mm; calluses about 7 mm, sharp; glumes smooth below, scabrous distally; lower glumes shortly awned or mucronate from the sinuses of the minutely bilobed apices; upper lemmas awned, awns 10.6-16 cm, geniculate, twisted below. Pedicellate spikelets 7.2-15 mm. 2n = unknown.

Discussion

Chrysopogon pauciflorus is native, but infrequently encountered, in the southeastern United States, primarily in Florida; it also occurs in Cuba. It grows in flatwoods, abandoned fields, pinelands, marsh edges, and various disturbed sites.

Selected References

None.

Lower Taxa

None.

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

... more about "Chrysopogon pauciflorus"
anatomy +  and kranz +
David W. Hall +  and John W. Thieret +
(Chapm.) Benth ex Vasey +
1 (?) +  and 3 (?) +
geniculate +
10.6 cm106 mm <br />0.106 m <br /> (16 cm160 mm <br />0.16 m <br />) +
keeled +  and rounded +
pseudopetiolate +  and branching +
divergent +  and parallel +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
pseudopetiolate +
non-radiate +  and radiate +
well-developed +
0 cm0 mm <br />0 m <br /> (31 cm310 mm <br />0.31 m <br />) +
folded +  and flat +
reduced +
4mm;10mm +
capillary +
7 cm70 mm <br />0.07 m <br /> (?) +
Florida rhaphis +
purple +  and reddish +
somewhat +  and erect +
60 cm600 mm <br />0.6 m <br /> (110 cm1,100 mm <br />1.1 m <br />) +
not woody +
N.C. +, Fla. +  and Tex. +
capillary +
sometimes longer +
concealing +
compressed +  and terete +
shorter or longer +
subtending +
keeled +, folded +  and involute +
unequal +
yellow +  and brown +
uncinate +
bracteate +  and ebracteate +
pedunculate +  and multiple-stalked +
axillary +  and subtending +
solid +  and hollow +
photosynthetic +
not aromatic +
coriaceous +
membranous +
inconspicuous +
mucronate +  and awned +
complex +  and simple +
concealed +  and prominent +
pedicellate +
20 cm200 mm <br />0.2 m <br /> (30 cm300 mm <br />0.3 m <br />) +
not fused +
dry +  and fleshy +
elongate +
pedicellate +  and sessile +
in triplets +  and paired +
compressed +  and terete +
usually smaller +  and reduced +
0.72 cm7.2 mm <br />0.0072 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
1 (?) +  and 3 (?) +
fused +  and free +
2 (?) +  and 3 (?) +
dome--shaped +  and triangular +
Gramineae +
Chrysopogon pauciflorus +
Chrysopogon +
species +
membranous +
sessile-pedicellate +
sterile +  and bisexual +
stoloniferous +  and rhizomatous +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +