Digital Atlas of the Virginia Flora | Houstonia nigricans (Lamarck) Fernald var. nigricans

Houstonia nigricans (Lamarck) Fernald var. nigricans

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Family: Rubiaceae
Botanical Name: Houstonia nigricans (Lamarck) Fernald var. nigricans
Common Name: Glade Bluets, Diamond-flowers
Synonym(s): Hedyotis nigricans (Lamarck) Fosberg var. nigricans; Stenaria nigricans (Raf.) Terrell var. nigricans
Flora of Virginia Name/Status: Houstonia nigricans (Lamarck) Fernald var. nigricans
Comments: First collected by Ludwig in 1995 and reported in Castanea 64:218 (1999) (as Hedyotis nigricans). The transfer to Stenaria was made by Terrell in Sida 19:591-614 (2001). Church (Molec. Phylogenetics Evol. 27: 223-238, 2003), however, considered Stenaria congeneric with Houstonia based on molecular phylogeny.
Habitat: Limestone barrens. Rare in the sw. mountains; known from a single site in Lee County.
Native Status: Native

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