Chloris submutica |
Chloris divaricata |
|
---|---|---|
Mexican windmill-grass |
spreading windmill-grass |
|
Habit | Plants perennial; usually cespitose, occasionally shortly stoloniferous. | Plants perennial; cespitose to shortly stoloniferous. |
Culms | 30-75 cm, erect. |
20-50 cm. |
Sheaths | glabrous; ligules about 0.5 mm, shortly ciliate; blades to 20 cm long, to 5 mm wide, sometimes with long basal hairs, otherwise scabrous. |
glabrous; ligules membranous, ciliolate; blades to 15 cm long, 1-1.5 mm wide, glabrous or scabrous. |
Panicles | with 5-17, evidently distinct branches in 1-3 closely-spaced whorls; branches to 7 cm, usually erect when young, spreading to reflexed at maturity, averaging 12 spikelets per cm. |
digitate, with 3-9 branches; branches 4-17 cm, evidently distinct, becoming horizontal, spikelet-bearing to the base or within 0.5 cm of the base, distal portion with 3-7 spikelets per cm. |
Spikelets | with 1 bisexual and 1 staminate floret. |
appressed, with 1 bisexual and 1 sterile floret. |
Lower glumes | 1.5-3.2 mm; upper glumes 2.5-3.4 mm; lowest lemmas 2.8-3.7 mm long, 0.6-1.1 mm wide, broadly linear to elliptic, mostly glabrous but the margins appressed pubescent, apices obtuse, not conspicuously bilobed, sometimes shortly mucronate; second florets 1.4-2.2 mm long, 0.3-0.9 mm wide, usually at least twice as long as wide, not lobed, unawned, occasionally mucronate. |
0.9-1.8 mm; upper glumes 2-2.9 mm; lowest lemmas 2.9-4 mm, linear to narrowly lanceolate, mostly glabrous or scabrous, margins glabrous or with a few short, appressed hairs near the apices, 1-3-awned, central awns 7.5-17 mm, lateral lobes unawned or with awns less than 0.4 mm; second florets 1.2-1.9 mm, narrowly elliptic, bilobed for 1/3–1/2 of their length, apices acute, awned from between the lobes, awns 4.5-9.5 mm. |
Caryopses | 1.7-2.3 mm long, 0.5-0.6 mm wide, ellipsoid. |
about 2.2 mm long, about 0.4 mm wide, narrowly ellipsoid. |
2n | = ca. 65, 80. |
= unknown. |
Chloris submutica |
Chloris divaricata |
|
Distribution |
NM; TX
|
NM; SC; TX; HI |
Discussion | Chloris submutica grows from the southwestern United States through Mexico, Guatemala, and Colombia to Venezuela. In Mexico, it is generally found between 1000-2100 m. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Chloris divaricata is an Australian species that was collected around woolen mills of South Carolina in the first half of the twentieth century. It has since become established in Texas and New Mexico. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 25, p. 216. | FNA vol. 25, p. 212. |
Parent taxa | Poaceae > subfam. Chloridoideae > tribe Cynodonteae > Chloris | Poaceae > subfam. Chloridoideae > tribe Cynodonteae > Chloris |
Sibling taxa | ||
Name authority | Kunth | R. Br. |
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