Isopyrum spp.
Family: Ranunculaceae
Isopyrum image
Sep mostly 5, petaloid; pet none; staminodes in ours none; stamens numerous, the filaments narrowly clavate; pistils few; fr follicular; perennial herbs with basal and alternate cauline, 1-3-ternately compound lvs and 1-few white fls terminating the stem or on axillary peduncles. 25, N. Temp.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

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Image of Isopyrum hallii
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Isopyrum