Clematis coactilis (Fernald) Keener

Stems erect, not viny, 2-4.5 dm, densely silky, hirsute, or ± tomentose with appressed hairs. Leaves simple. Leaf blade rarely 1-pinnate, narrowly to broadly ovate, unlobed or sometimes few-lobed, 5-12 × 3-9.5 cm, leathery, ± prominently reticulate adaxially; surfaces abaxially densely silky-tomentose with appressed hairs, not glaucous. Inflorescences terminal, flowers solitary; bracts absent. Flowers broadly urn-shaped; sepals pale yellow to rarely purple-tinged, lanceolate, 1.9-3.4 cm, margins not expanded or narrowly expanded to 1.7 mm wide, thin, not crispate, tomentose, tips obtuse, spreading, abaxially finely tomentose. Achenes: body pilose, hairs of rim spreading; beak (2.5-)3-4.5(-5.5) cm, plumose. 2 n = 16.