Plants with a light, pleasant, celery-like odor; stems branched, 4-8 dm; lower lvs long-petioled, commonly thrice compound, the upper once or twice compound and with wholly sheathing petioles; lfls ovate to oblong or elliptic, mostly 1-4 cm, sometimes some of the upper confluent; longer rays 4-9 cm in fr; fr mostly 4-5 נ3-4 mm, elliptic, slightly compressed laterally, not winged, the ribs all low; 2n=22. Dry woods and open, rocky slopes, reputedly sometimes on shale-barrens with the next sp., s. Que. to c. Ga., w. to Minn., e. Kans., Okla., and Tex. Apr.-June.
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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From Flora of Indiana (1940) by Charles C. Deam
Infrequent to rare in all parts of the state. Generally on the upper part and crests of wooded slopes bordering streams and usually in clay or gravelly soil, associated with white oak or with white and black oaks.