Rhynchospora scirpoides

(Torrey) Grisebach

Cat. Pl. Cub., 247. 1866.

Illustrated
Basionym: Psilocarya scirpoides Torrey Ann. Lyceum Nat. Hist. New York 3: 360. 1836
Treatment appears in FNA Volume 23. Treatment on page 217. Mentioned on page 202.
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Plants annual, cespitose, (20–)30–80(–100) cm; rhizomes absent. Culms erect or ascending, leafy, nearly terete or obscurely angular, many-ribbed, stiff. Leaves exceeding or exceeded by inflorescences; blades linear, proximally flat, 1–5 mm wide, apex trigonous, tapering. Inflorescences terminal and axillary, clusters of corymbs 1–5, diffuse, branches ascending to divaricate; leafy bracts much exceeding axillary corymbs. Spikelets redbrown to dark brown, ovoidlanceoloid, 3–6(–7) mm, apex acute; fertile scales several, narrowly ovate, 2.5–3.5 mm, apex narrowly acute; midrib included or shortexcurrent. Flowers: perianth absent. Fruits 1.3–1.5 mm; body brown to blackish, tumidly lenticular, nearly orbicular, 0.6–1 × 0.6–1 mm, margins distinct, narrow, flowing into base of tubercle; tubercle flat, narrowly triangular, at least 0.5 mm high, base broadly 2-lobed, apex acuminate.


Phenology: Fruiting summer–fall or all year (south).
Habitat: Moist to wet sands or peats of banks of streams and ditches, pond and lakeshores, depressions in savannas, marshes, often in moist to wet disturbed areas
Elevation: 0–200 m

Distribution

V23 376-distribution-map.jpg

Ala., Conn., Del., Fla., Ga., Ind., La., Md., Mass., Mich., Miss., N.J., N.Y., N.C., R.I., S.C., Tex., Va., Wis., West Indies.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Rhynchospora scirpoides"
Robert Kral +
(Torrey) Grisebach +
Psilocarya scirpoides +
Ala. +, Conn. +, Del. +, Fla. +, Ga. +, Ind. +, La. +, Md. +, Mass. +, Mich. +, Miss. +, N.J. +, N.Y. +, N.C. +, R.I. +, S.C. +, Tex. +, Va. +, Wis. +  and West Indies. +
0–200 m +
Moist to wet sands or peats of banks of streams and ditches, pond and lakeshores, depressions in savannas, marshes, often in moist to wet disturbed areas +
Fruiting summer–fall or all year (south). +
Cat. Pl. Cub., +
Illustrated +
Dichromena +  and Psilocarya +
Rhynchospora scirpoides +
Rhynchospora +
species +