Hexastylis species 1 . Buck Creek Heartleaf. Phen: May. Hab: Serpentine barrens. Dist: Endemic to the Buck Creek Serpentine Barren, Clay County, NC.

Origin/Endemic status: Endemic

Taxonomy Comments: At the Buck Creek Serpentine Barren (Clay County, NC) a plant resembling Hexastylis ruthii carpets several hundred hectares, in association with Packera serpenticola, Thalictrum macrostylum, Sporobolus heterolepis, and Symphyotrichum rhiannon; various morphological differences of this population, especially the rhizomatous habit and the prominent style extensions, suggest that it may represent an additional undescribed taxon.

Synonymy: < Asarum arifolium Michx. var. ruthii (Ashe) Barringer – Barringer (1993); < Hexastylis arifolia (Michx.) Small – RAB; < Hexastylis arifolia (Michx.) Small var. ruthii (Ashe) Blomq. – FNA3, Blomquist (1957), Gaddy (1987a); < Hexastylis ruthii (Ashe) Small – S

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