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false Rhodes grass

Habit Plants perennial; cespitose, sometimes stoloniferous.
Culms

to 100 cm.

Sheaths

glabrous or sparsely hirsute;

ligules to 3 mm;

blades to 20 cm long, 5-10 mm wide, scabrous.

Panicles

with 6-20 branches in several closely-spaced whorls, appearing as a single terminal cluster;

branches to 15 cm, erect, with 7-9 spikelets per cm.

Spikelets

with 1 bisexual and 1(2) sterile floret(s).

Caryopses

1.7-2.3 mm, strongly dorsally flattened.

Lower

glumes 0.8-1.1 mm;

upper glumes 2-2.5 mm, awned, awns to 2 mm;

lowest lemmas 2.4-3.8 mm long, about 0.5 mm wide, dorsally compressed, narrowly lanceolate to elliptic, scabrous, particularly distally, apices bilobed and 3-awned, central awns 8-12 mm, equaling or slightly longer than the 5-12 mm lateral awns;

first sterile florets 1-1.5 mm, narrowing to 3 subequal 5-7 mm awns;

second sterile florets, if present, similar but smaller.

2n

= 40.

Trichloris crinita

Distribution
from FNA
AZ; NM; NY; TX
Discussion

Trichloris crinita is a native species that grows in the southwestern United States and northern Mexico, and, as a disjunct, in northern Argentina.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 25, p. 227.
Parent taxa Poaceae > subfam. Chloridoideae > tribe Cynodonteae > Trichloris
Sibling taxa
T. pluriflora
Synonyms Chloris crinita
Name authority (Lag.) Parodi
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