Allolepis texana

(Vasey) Soderstr. & H.E Decker
Common names: False saltgrass
Treatment appears in FNA Volume 25. Treatment on page 28.

Culms (10) 25-70 cm, ascending, glabrous; stolons to 15 m long, 1-4 mm thick, strongly ribbed. Sheaths mostly glabrous, the apices with a tuft of hairs; lower sheaths shorter than the internodes; ligules 0.5-1.4 mm; blades (6) 10-43 cm long, (2.5) 4-6 mm wide, usually flat, glabrous, scabridulous near the apices, margins scabrous. Panicles (3) 10-23 cm; branches 3-6 cm. Pistillate spikelets 10-30 mm. Glumes subcoriaceous, glabrous, midveins scabridu¬lous; lower glumes 5.5-9 mm; upper glumes 6.8-10.3 mm; lower lemmas 6.5-10.5 mm, broadly ovate, coriaceous, glabrous, midveins scabrous distally, margins clasping the bases of the florets above. Staminate spikelets 9-25 mm long, 3-8 mm wide; lower glumes 3.5-5 mm, glabrous except for the scabrous midvein; upper glumes 4.5-6 mm, glabrous; lowest lemma 5-6.3 mm, glabrous; anthers 3, 3-3.7 mm, yellow. 2n = 40.

Discussion

Allolepis texana grows in the Big Bend region of Texas and northern Mexico. It is not common, but it may be locally abundant, growing on sandy or silty, but not alkaline, soils.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

... more about "Allolepis texana"
0.3 cm3 mm <br />0.003 m <br /> (0.37 cm3.7 mm <br />0.0037 m <br />) +
Mary E. Barkworth +
(Vasey) Soderstr. & H.E Decker +
1 (?) +  and 3 (?) +
multiple +, , +  and single +
keeled +  and rounded +
pseudopetiolate +  and branching +
not fused +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
membranous +
not pseudopetiolate +
10 cm100 mm <br />0.1 m <br /> (43 cm430 mm <br />0.43 m <br />) +
scabridulous +
usually linear +  and lanceolate occasionally ovate +
4mm;6mm +
ascending;appressed +
spikelike +
triangular +  and dome--shaped +
sometimes longer +
membranous +
False saltgrass +
25 cm250 mm <br />0.25 m <br /> (70 cm700 mm <br />0.7 m <br />) +
not woody +
not waisted +
capillary +
pistillate +  and staminate +
sometimes longer +
4 +  and 21 +
bisexual +  and fertile +
round +  and compressed +
reduced +
shorter or longer +
subtending +
subcoriaceous +
uncinate +
paniculate +  and racemose +
hollow +  and solid +
not absent +
3-veined +  and 3-5(6)-veined +
sometimes longer +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
membranous +
inconspicuous +
1-veined +  and 1-5-veined +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.65 cm6.5 mm <br />0.0065 m <br /> (1.05 cm10.5 mm <br />0.0105 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.63 cm6.3 mm <br />0.0063 m <br />) +
concealed +  and prominent +
2 +  and 1 +
narrowing +
slightly longer +
3 cm30 mm <br />0.03 m <br /> (?) +
10 cm100 mm <br />0.1 m <br /> (23 cm230 mm <br />0.23 m <br />) +
dry +  and fleshy +
spikelike +
staminate +  and pistillate +
0.9 cm9 mm <br />0.009 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
1 +  and 60 +
compressed +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
3mm +  and 8mm +
1 (?) +  and 3 (?) +
compound +  and simple +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
2 (?) +  and 3 (?) +
Gramineae +
Allolepis texana +
Allolepis +
species +
membranous +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
conspicuous +
ciliolate +  and puberulent +
stoloniferous +, pistillate +  and staminate +
aquatic +  and terrestrial +