Bulbostylis capillaris|hair-sedge|Cyperaceae

Bulbostylis capillaris plants. By Glen Mittelhauser. Copyright © 2017 Glen Mittelhauser. New England Wild Flower Society. gobotany.newenglandwild.org

Bulbostylis capillaris is an annual, tufted C4 sedge (Bryson and Carter 1977), to 30 cm tall, stems and leaves thread-like.

Leaves alternate, blade less than 0.1 cm wide, usually shorter than flower stems, basal or a few on lower stem; inflorescence bract small, or none, hair-like.

Flowers: Spikes 2-7, dark, 0.3-0.5 cm long, central spikelet stalkless the others with stalks less than 1 cm long, scales curved on back, often minutely hairy, margins purple-brown, midrib green to pale tan, anthers 2, achene pale tan to brown, minutely ridged, 3-sided; blooming and fruiting Aug-Oct.

Wetland status: FACU.

Frequency in NYC: Very infrequent.

Origin: Native.

Habitat: Open, dry, sandy soil, fill, disturbed areas. Possibly planted in some grassland restorations.

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Bulbostylis capillaris hair-sedge Cyperaceae BUCA; NY; Q, i (possibly planted); R;