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Cyperaceae
Bulbostylis

not marked as a favorite taxon Bulbostylis capillaris (Linnaeus) Kunth ex C.B. Clarke ssp. capillaris. Common name: Common Hairsedge. Phenology: Jul-Oct. Habitat: Thin soils on rock outcrops, especially granite domes and granite flatrocks (but also on mafic rocks, such as diabase), sandy soils, fields, bogs (in FL). Distribution: ME to MN, south to Panhandle FL and TX, and west to AZ and CA, also in Mexico, Central America, the West Indies, and s. Asia.

Glossary (beta!)

ID notes: Bulbostylis capillaris ssp. capillaris is a short plant (up to 3 dm tall, but usually half that) in dense tufts of many filiform (very slender, threadlike) stems, each stem topped by a small inflorescence of tiny spikelets. Achene (seed) surfaces have narrow transverse ridges, versus. tiny bumps in B. ciliata and B. coarctata.

Origin/Endemic status: Native

Taxonomy Comments: Ssp. insulana M.T. Strong is endemic to the Greater Antilles.

Other Comments: This species frequently has a mixture of long and very short culms, the short culms only a few cm long and thus nearly hidden amongst the leaves.

Synonymy ⓘ: = K4, NS, POWO; = Bulbostylis capillaris (L.) Kunth ex C.B.Clarke — Can; < Bulbostylis capillaris (L.) Kunth ex C.B.Clarke — Ar, C, ETx1, FNA23, G, GrPl, GW1, Il, Mex, Mi, Mo1, NcTx, NE, NY, Pa, RAB, Tn, Tx, Va, W, WH3, Kral (1971); > Bulbostylis capillaris (L.) Kunth ex C.B.Clarke var. capillaris — F, Tat; > Bulbostylis capillaris (L.) Kunth ex C.B.Clarke var. crebra Fernald — F, Tat; > Bulbostylis capillaris (L.) Kunth ex C.B.Clarke var. isopoda Fernald — F, Tat; < Stenophyllus capillaris (L.) Britton — S, S13; Scirpus capillaris Linnaeus. Basionym: Scirpus capillaris L. 1753

Links to other floras: < Bulbostylis capillaris - FNA23

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FAC (name change)
  • Eastern Mountains and Piedmont: FACU (name change)
  • Great Plains: FACU (name change)
  • Midwest: FACU (name change)
  • Northcentral & Northeast: FACU (name change)

Heliophily ⓘ: 9

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image #1 of Bulbostylis capillaris ssp. capillaris© Gary P. Fleming | Original Image ⭷
image #2 of Bulbostylis capillaris ssp. capillaris© Melanie Flood | Original Image ⭷
image #3 of Bulbostylis capillaris ssp. capillaris© Bruce A. Sorrie | Original Image ⭷
image #4 of Bulbostylis capillaris ssp. capillaris© Bruce A. Sorrie | Original Image ⭷
image #5 of Bulbostylis capillaris ssp. capillaris© Gary P. Fleming | Original Image ⭷
image #6 of Bulbostylis capillaris ssp. capillaris© Scott Ward | Original Image ⭷
image #7 of Bulbostylis capillaris ssp. capillaris© Scott Ward | Original Image ⭷
image #8 of Bulbostylis capillaris ssp. capillaris© Alan Weakley source
image #9 of Bulbostylis capillaris ssp. capillaris© Alan Weakley source
image #10 of Bulbostylis capillaris ssp. capillaris© Scott Ward | Original Image ⭷
image #11 of Bulbostylis capillaris ssp. capillaris© Radford, Ahles and Bell | Original Image ⭷

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Horticultural Information

NCBG trait

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