Zizia trifoliata

Lfls serrate with comparatively coarse teeth averaging 2-3 per cm of margin; lfls of upper lvs mostly lanceolate; rays 4-10, rarely more, at maturity slender, loosely spreading, the longest 6-12 cm; fr round-ovate, 3-4 mm, two-thirds as wide; otherwise much like no. 1 [Zizia aurea (L.) Koch]; 2n=22. Mt. woods; Va. to Ky. and Ark., s. to Fla. May. (Z. bebbii)

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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