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FNA | Family List | FNA Vol. 3 | Ranunculaceae | Clematis

22a. Clematis pitcheri var. pitcheri Torrey & A. Gray

Clematis filifera Bentham; C. pitcheri var. filifera (Bentham) R.O. Erickson

Leaf blade usually 1-pinnate, distalmost leaf occasionally simple; leaflets usually unlobed, occasionally some 1-2-lobed, mostly 4-11 × 1.5-6 cm (occasionally smaller in w part of range), thin. Flowers: sepals mostly 1-3(-3.5) cm; stamens with filaments and extended connectives pubescent, occasionally glabrous. 2 n = 16.

Flowering spring-fall (Mar-Oct). Limestone outcrops in dry to moist woods and thickets, disturbed sites; 0-2200 m; Ark., Ill., Ind., Iowa, Kans., Ky., Mo., Nebr., N.Mex., Okla., Tenn., Tex.; Mexico.


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