Cyperaceae

Densetuft hairsedge

Bulbostylis capillaris (L.) Kunth ex C.B.Clarke

Family: Cyperaceae
Genus: Bulbostylis

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Densetuft hairsedge: Tufted hairsedge is a native annual bunched hairsedge common to sandy substrates along streams. Leafy stems measure no more than 15 cm tall, flowering heads eac — Photo: Matt Lavin, CC BY-SA 2.0, from Wikimedia Commons

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Common names

By language (1)

English: Densetuft hairsedge, Threadleaf beakseed

Synonyms

Abildgaardia capillaris (L.) Lye
Bulbostylis capillaris var. capillaris
Bulbostylis capillaris var. genuina Osten
Fimbristylis capillaris (L.) A.Gray
Fimbristylis capillaris var. major Maury
Iria capillaris (L.) Kuntze
Isolepis capillaris (L.) Roem. & Schult.
Isolepis gracillima Hochst. ex Engl.
Scirpus brachyphyllus Link
Scirpus capillaris L.
Stenophyllus capillaris (L.) Britton
Stenophyllus capillaris subsp. eucapillaris H.Pfeiff.
Stenophyllus capillaris var. ciliatus (J.Presl & C.Presl) J.F.Macbr.
Stenophyllus eucapillaris f. ciliata (J.Presl & C.Presl) H.Pfeiff.
Trichelostylis capillaris (L.) Alph.Wood

Characteristics

Growth habit: Graminoid
Lifespan: Annual, Perennial
In the US and Canada: Canada: native, Hawaii: introduced, Lower 48 states: native, Puerto Rico: native

Photos

Photo: Matt Lavin, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin, CC BY-SA 2.0, from Wikimedia Commons

More in Bulbostylis

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.