Trichophorum planifolium

(Sprengel) Palla

Oesterr. Bot. Z. 63: 402. 1913.

IllustratedEndemic
Basionym: Isolepis planifolia Sprengel Neue Entd. 3: 10. 1822 Scirpus planifolius Muhlenberg 1817
Synonyms: Baeothryon planifolium (Sprengel) Sojak Baeothryon verecundum (Fernald) Á. Löve & D. Löve Eleocharis planifolia (Sprengel) Nees Scirpus verecundus Fernald
Treatment appears in FNA Volume 23. Treatment on page 31. Mentioned on page 29, 30.

Plants densely cespitose; rhizomes absent. Culms trigonous, 10–40 cm, scabrous proximal to inflorescence. Leaves: basal sheaths brown; distal leaf sheaths concave at mouth; blades 10–400 × 0.8–2 mm, equaling or exceeding culms at flowering and fruiting. Inflorescences: spikelets 3–8-flowered, 4.1–5.2 × 1.5–2.1 mm; bracts equaling spikelets, 3.7–6 mm, apex awned, awn to 3 mm. Spikelets: scales orange-brown to dark brown, midribs excurrent, apex mucronate. Flowers: perianth bristles 3–6, brown, terete, nearly equaling achenes, scabrous; anthers 1–1.5 mm. Achenes compressed trigonous, 1.5–2 × 0.7–1.1 mm.


Phenology: Fruiting summer (Jun–Jul).
Habitat: Mesic to dry hardwood forests, usually with oak component, often on hillsides
Elevation: 50–900 m

Distribution

V23 43-distribution-map.jpg

Ont., Conn., Del., D.C., Ill., Md., Mass., Mo., N.J., N.Y., Ohio, Pa., R.I., Vt., Va., W.Va.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Trichophorum planifolium"
William J. Crins +
(Sprengel) Palla +
Isolepis planifolia +  and Scirpus planifolius +
Ont. +, Conn. +, Del. +, D.C. +, Ill. +, Md. +, Mass. +, Mo. +, N.J. +, N.Y. +, Ohio +, Pa. +, R.I. +, Vt. +, Va. +  and W.Va. +
50–900 m +
Mesic to dry hardwood forests, usually with oak component, often on hillsides +
Fruiting summer (Jun–Jul). +
Oesterr. Bot. Z. +
Illustrated +  and Endemic +
Baeothryon planifolium +, Baeothryon verecundum +, Eleocharis planifolia +  and Scirpus verecundus +
Trichophorum planifolium +
Trichophorum +
species +