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Rubiaceae
Hydrogalium

not marked as a favorite taxon Hydrogalium obtusum (Bigelow) Kadereit & Schneeweiss var. filifolium (Wiegand) A. Haines. Common name: Carolina Bedstraw. Phenology: Apr-May. Habitat: Marshes, swamps, creekbanks, alluvial forests. Distribution: S. New Jersey south to c. Georgia, primarily on the Coastal Plain.

Glossary (beta!)

Origin/Endemic status: Endemic

Synonymy ⓘ: = Haines (2026a); Galium tinctorium L. var. filifolium Wiegand; = Galium filifolium (Wiegand) Small — S; = Galium obtusum Bigelow ssp. filifolium (Wiegand) Puff — Fl5, FNA18, K1, K4, WH3, Puff (1976), Puff (1977); = Galium obtusum Bigelow var. filifolium (Wiegand) Fernald — C, F, RAB, Tat, W; < Galium obtusum Bigelow — GW2, Va; < Hydrogalium obtusum (Bigelow) Kadereit & Schneeweiss — Kadereit & Schneeweiss (2026). Basionym: Galium tinctorium L. var. filifolium Wiegand 1897

Links to other floras: = Galium obtusum ssp. filifolium - FNA18

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW (taxonomic split from wetland indicator species)
  • Eastern Mountains and Piedmont: FACW (taxonomic split from wetland indicator species)
  • Great Plains: FACW (taxonomic split from wetland indicator species)
  • Midwest: FACW (taxonomic split from wetland indicator species)
  • Northcentral & Northeast: FACW (taxonomic split from wetland indicator species)

Heliophily ⓘ: 6

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image #1 of Hydrogalium obtusum var. filifolium© Bruce A. Sorrie | Original Image ⭷
image #2 of Hydrogalium obtusum var. filifolium© Alan Weakley source
image #3 of Hydrogalium obtusum var. filifolium© Carol Ann McCormick, some rights reserved (CC BY), uploaded by Carol Ann McCormick source CC-BY | Original Image ⭷
image #6 of Hydrogalium obtusum var. filifoliumno rights reserved, uploaded by Becky Dill source CC0 | Original Image ⭷
image #8 of Hydrogalium obtusum var. filifoliumno rights reserved, uploaded by Becky Dill source CC0 | Original Image ⭷
image #10 of Hydrogalium obtusum var. filifolium© Alan Weakley source
image #11 of Hydrogalium obtusum var. filifolium© jtuttle, all rights reserved, uploaded by jtuttle source | Original Image ⭷
image #13 of Hydrogalium obtusum var. filifolium© Bruce A. Sorrie | Original Image ⭷

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Horticultural Information

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native range: southeastern United States