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bashful bulrush, bashful clubsedge

Habit 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.

Trichophorum planifolium

Phenology Fruiting summer (Jun–Jul).
Habitat Mesic to dry hardwood forests, usually with oak component, often on hillsides
Elevation 50–900 m [200–3000 ft]
Distribution
from FNA
CT; DC; DE; IL; MA; MD; MO; NJ; NY; OH; PA; RI; VA; VT; WV; ON
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Parent taxa Cyperaceae > Trichophorum
Sibling taxa
T. alpinum, T. cespitosum, T. clementis, T. clintonii, T. pumilum
Synonyms Isolepis planifolia, Baeothryon planifolium, Baeothryon verecundum, Eleocharis planifolia, Scirpus planifolius, Scirpus verecundus
Name authority (Sprengel) Palla: Oesterr. Bot. Z. 63: 402. (1913)
Source Flora of North America vol. 23, p. 31.
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