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dorsal view of leaf sheath area

floral scale of spikelet

mature achene

pistil showing style branches

terminal inflorescence

inflorescence branch; anthela

inflorescence bracts

flower showing two stamens

spikelet showing mode of dehiscence

stem cross-section

stem, surface view

leaf sheath, surface features

stem and leaf sheath cross-section

leaf blade cross-section

Author

Katie Percy

 

Cauline leaves

grasslike fimbry

Common Name

Moist to wet sandy soil and alluvium, open disturbed waste places; not native but introduced.

Ecology

http://plants.usda.gov/java/profile?symbol=FIMI

Flora North America generic description:

http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=112803

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Electronic links

CYPERACEAE, sedge family

Family

Fruiting summer–fall, all year southward.

Flowering period

Flowers: stamens 1–2; styles 3-fid, slender, base dilated, apex pubescent.

Flowers

Achenes pale brown, tumid, obovoid, 1 mm, apiculate, reticulate, with pits narrowly rectangular in 4–6 vertical rows per side, the longitudinal ribs most prominent and mostly warty. 2n = 10.

Fruit

Origin is probably in the Asian rice belt.

Introduced; Ala., Ark., Fla., Ga., Ky., La., Miss., Mo., N.C., S.C., Tenn., Tex.; Mexico; Central America; South America; Asia; Africa; Indian Ocean Islands; Pacific Ocean Islands; Australia.

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Geographic distribution

Inflorescences: anthela compound, usually diffuse, branched, broadening upward, often as broad as long; scapes slender, angularly ribbed and/or somewhat compressed distally, 1–1.5 mm wide or thick; involucral bracts exceeded by anthela.

Inflorescence

Leaves distichous, in fans, to ca. 2/3 plant height; sheaths keeled, equitant, margins entire; ligule absent; blades bifacial (flattened in same plane as sheath), narrowly triangular linear, to 2 mm wide, margins scabrid at least distally.

Leaves

 Plants annual, cespitose, 15–50(–70) cm, glabrous, base soft; rhizomes absent.

Plant and Stem Features

Fimbristylis miliacea (Linnaeus) Vahl

Species name

Spikelets dark red-brown, broadly ovoid to near round, 2–4 mm; fertile scales broadly ovate to orbiculate, 1 mm, glabrous, apex broadly rounded, midrib not excurrent.

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Spikelets

Fimbristylis littoralis Gaudichaud; Isolepis miliacea (Linnaeus) J. Presl & C. Presl; Scirpus bengalensis Persoon; Trichelostylis miliacea (Linnaeus) Nees

Synonyms

OBL