Chloris barbata
Chloris ciliata
swollen fingergrass, swollen windmill-grass
fringe windmill-grass
15-95 cm, erect or decumbent and rooting at the lower nodes.
25-60 cm, erect.
glabrous;
ligules 0.3-0.5 mm, erose to lacerate;
blades to 15 cm long, 0.3-0.6 mm wide, with basal hairs, otherwise usually glabrous.
glabrous;
ligules absent or 0.3-0.4 mm, ciliate;
blades 10-20 cm long, about 5 mm wide, sometimes with long basal hairs, otherwise glabrous or scabrous.
digitate, with 7-15 evidently distinct branches;
branches 3-8 cm, more or less erect, averaging 14 spikelets per cm.
digitate, with 2-5(7) evidently distinct branches;
branches 3.5-6(8) cm, ascending to spreading.
with 1 bisexual and 2(3) sterile florets.
imbricate, with 1 bisexual and 2 sterile florets.
1.2-2.1 mm;
upper glumes 2.3-2.7 mm;
lowest lemmas 2-2.7 mm, ovate to elliptic, calluses and distal portion of the margins pilose, hairs to 1 mm, keels glabrous or pilose, apices awned, awns 4-7.7 mm;
second florets 0.9-1.3 mm long, 0.4-0.9 mm wide, slightly to strongly widened distally, inflated, usually glabrous, truncate, awned, awns 5-7 mm;
third florets obovoid to subspherical, smaller than the first, strongly inflated.
1.3-1.7 mm;
upper glumes 2-2.5 mm;
lowest lemmas 1.8-2.8 mm long, 0.8-1.1 mm wide, strongly laterally compressed, elliptic, margins and keels conspicuously hairy, hairs 0.5-1.5 mm, apices awned, awns 0.9-1.4 mm;
second florets 1.3-1.8 mm long, 0.8-1.8 mm wide, widened distally, not inflated, truncate, enclosing the distal florets, awned, awns 0.9-1.4 mm;
distal florets 0.8-1.1 mm long, 0.9-1.2 mm wide, as long as or longer than the subtending rachilla segments, unawned.
1.1-1.4 mm.
about 1.4 mm long, 0.7 mm wide.
= 20, 40, ca. 50.
= 40.
Chloris barbata
Chloris ciliata
Chloris barbata grows in subtropical and tropical coastal regions on loams, limestone-derived soils, and along beaches. The main portion of its range lies to the south of the Flora region, through the Caribbean and the east coast of Mexico, Central America, and South America. It is a weedy species, often growing in waste areas, but also in cultivated fields.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Chloris ciliata is a native species of grasslands from the Gulf Coast of Texas, through the Caribbean islands and Mexico to Central America, then, as a disjunct, in Argentina. Argentinean plants differ from northern plants in having long hairs associated with their basal ligules, but no other differences are known. It has been found, as an introduction, in New York.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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