Flora of the Southeastern United States
2022 Edition


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Sanicula Linnaeus. Sanicle, Snakeroot.

Key to Sanicula

A genus of about 41 species, herbs, nearly cosmopolitan (Plunkett et al. 2018).

ID notes: Identification note: Most Sanicula species cannot be reliably determined from sterile plants; fruits or flowers are required for identification. An important character is the length of the styles in relation to the calyx and/or to the bristles on the fruit. In the longer-styled species, the styles are slender and curved outward, sometimes enmeshed in the bristles, but distinctly longer than them or than the calyx. In the shorter-styled species, the styles are straight to slightly curved, shorter than or about as long as the bristles, and more or less included in the calyx. In most species the calyx is inconspicuous, but consists of 5 deltoid to narrowly triangular (or even subulate) calyx lobes, 0.4-2.0 mm long, at the summit of the schizocarp (the fruit).

Ref: Mathias & Constance (1945); Plunkett et al. (2018a) In Kadereit & Bittrich (2018); Pryer & Phillippe (1989). Show full citations.

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image of plant© Gary P. Fleming
image of plant© Gary P. Fleming