Aruncus dioicus var. pubescens
Rhodora 41: 423. 1939.
Endemic
Basionym: Aruncus pubescens Rydberg in N. L. Britton et al., N. Amer. Fl. 22: 256. 1908
Leaf surfaces densely hairy. Styles 0.3–0.8 mm. Follicles slender, 1.6–2.4 mm. Seeds 1.5–2 mm. 2n = 18.
Phenology: Flowering early summer.
Habitat: Rich woods, limestone bluffs
Elevation: 50–700 m
Distribution
Ark., Ill., Ind., Iowa, Ky., Miss., Mo., Ohio, Okla., Tenn.
Discussion
Variety dioicus gradually gives way to var. pubescens, which has more consistently thicker and hairier leaves and occurs west of the Appalachian Mountains; there is variation in indument throughout the eastern range of var. dioicus.
Selected References
None.
Lower Taxa
None.