Perennial; lvs 5(7)-parted (or even compound), doubly serrate, or toward the apex incised; bractlets like the bracts but smaller; fls greenish-white, the fertile ones sessile, the staminate 12-25 in each umbellet and surpassing the frs; sep lance-subulate, 1-1.5 mm, shortly connate below, equaling the pet, or nearly so; anthers greenish-white; fr subsessile, 4-6 mm, narrowed and with rudimentary bristles toward the base; styles recurved, exceeding the bristles. Woods; Que. and Nf. to B.C., s. to n. Fla., Mo., and N. M. June-Aug.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
©The New York Botanical Garden. All rights reserved. Used by permission.
From Flora of Indiana (1940) by Charles C. Deam
Infrequent in moist or dry woods, usually associated with white oak. I have seen no specimens from the southern part of the state.
Indiana Coefficient of Conservatism: C = 6
Wetland Indicator Status: FACU
Diagnostic Traits: perennial; basal leaves palmately compound, leaflets 5-7; bristle-covered fruits in clusters of 3, styles long; sepals 1-2 mm, subulate; anthers greenish-white; male flowers 10-many, their pedicels long.
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Citation: The vPlants Project. vPlants: A Virtual Herbarium of the Chicago Region. http://www.vplants.org
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