Enneapogon cenchroides

(Licht.) C.E. Hubb.
Common names: Softfeather pappusgrass
Treatment appears in FNA Volume 25. Treatment on page 287.

Plants annual. Culms 50-80 (100) cm, about 2 mm thick, usually rather robust, erect or somewhat geniculate at the base, often branching; nodes pubescent. Sheaths mostly shorter than the internodes, somewhat loose; blades 6-12 (20) cm long, 1-7 (10) mm wide, flat, becoming involute, apices attenuate. Panicles 10-20 (30) cm long, to 3 cm wide at the base, loosely contracted to somewhat open. Spikelets 3.2-6.8 mm. Lower glumes 2.8-5.1 mm; upper glumes 3.2-6.8 mm, 3-veined; lowest lemmas 1.5-2 mm; awns 2.5-5 mm, usually exceeding the glumes; anthers 1-1.8 mm. 2n = 40.

Discussion

Enneapogon cenchroides has been introduced and is persisting in the Ajo, Santa Catalina, Tucson, and Galiuro mountains of southern Arizona. Outside the Americas, its range extends from Sudan southward to the Cape Provinces of South Africa, through Arabia to India, and on Ascension Island.

Selected References

None.

Lower Taxa

None.

"-5timesaslongasthelemmabodies" is not declared as a valid unit of measurement for this property."decumbent" is not a number.

... more about "Enneapogon cenchroides"
0.1 cm1 mm <br />0.001 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
attenuate +
John R. Reeder +
(Licht.) C.E. Hubb. +
1 (?) +  and 3 (?) +
multiple +, , +  and single +
plumose +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
keeled +  and rounded +
pseudopetiolate +  and branching +
not fused +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
membranous +
not pseudopetiolate +
6 cm60 mm <br />0.06 m <br /> (12 cm120 mm <br />0.12 m <br />) +
usually linear +  and lanceolate occasionally ovate +
0.1 cm1 mm <br />0.001 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
spikelike +
triangular +  and dome--shaped +
Softfeather pappusgrass +
pappuslike +
geniculate +
50 cm500 mm <br />0.5 m <br /> (80 cm800 mm <br />0.8 m <br />) +
2 cm20 mm <br />0.02 m <br /> (?) +
not waisted +
capillary +
pistillate +  and staminate +
sometimes longer +
3 +  and 6 +
round +  and compressed +
shorter or longer +
subtending +
subequal +
uncinate +
spicate +  and ebracteate +
paniculate +  and racemose +
not absent +
rounded +
inconspicuous +
0.28 cm2.8 mm <br />0.0028 m <br /> (0.51 cm5.1 mm <br />0.0051 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
concealed +  and prominent +
2 +  and 1 +
2-keeled +
membranous +
10cm +  and 20cm +
0 cm0 mm <br />0 m <br /> (3 cm30 mm <br />0.03 m <br />) +
dry +  and fleshy +
1 +  and 60 +
compressed +
0.32 cm3.2 mm <br />0.0032 m <br /> (0.68 cm6.8 mm <br />0.0068 m <br />) +
1 +  and 3 +
compound +  and simple +
2 (?) +  and 3 (?) +
Gramineae +
Enneapogon cenchroides +
Enneapogon +
species +
membranous +
0.32 cm3.2 mm <br />0.0032 m <br /> (0.68 cm6.8 mm <br />0.0068 m <br />) +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +