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Alliaceae
Allium

not marked as a favorite taxon Allium allegheniense Small. Common name: Allegheny Onion. Phenology: Jul-early Sep; Aug-Oct. Habitat: In thin soils around outcrops, generally of mafic rocks (such as amphibolite or hornblende gneiss) or calcareous rocks, primarily at moderate to fairly high elevations (1000-1600m). Distribution: Known from w. VA and e. WV south through w. NC to n. GA.

Glossary (beta!)

Origin/Endemic status: Endemic

Taxonomy Comments: Although not recognized by many recent authors, A. allegheniense seems distinctive enough in morphology, ecology, and distribution to warrant taxonomic recognition at some level; additional study is needed.

Synonymy ⓘ: = K4, S, S13, Va; < Allium cernuum Roth — C, F, FNA26, G, RAB, W. Basionym: Allium allegheniense Small 1899

Links to other floras: < Allium cernuum - FNA26

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Wetland Indicator Status:

  • Eastern Mountains and Piedmont: FACU (taxonomic split from wetland indicator species)
  • Great Plains: UPL (taxonomic split from wetland indicator species)
  • Midwest: FACU (taxonomic split from wetland indicator species)
  • Northcentral & Northeast: FACU (taxonomic split from wetland indicator species)

Heliophily ⓘ: 8

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image #1 of Allium allegheniense© Alan M. Cressler | Original Image ⭷
image #2 of Allium allegheniense© Alan M. Cressler | Original Image ⭷
image #3 of Allium allegheniense© Bruce Sorrie | Original Image ⭷

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Horticultural Information

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