Sanicula smallii Bickn.

Sanicula smallii Bickn. Bull. Torrey Club 24: 578. 1897
Plants erect, 3.3-6.4 dm. high, biennial or perennial from fascicled, tuberous roots, glabrous, the stem usually solitary , occasionally alternately branched, 2-3-furcate above; leaves ovate in general outline, excluding the petioles 2-8 cm. long, 3-14 cm. broad, palmately 3-parted (appearing 5-parted by division of the lateral primary divisions), the primary divisions ovatelanceolate, acute, distinct, closely and regularly serrate, the teeth mucronate; petioles 4-20 cm. long; cauline leaves becoming subsessile above; involucre of a few leaflike bracts; involucel of small, triangular-ovate, subacuminate bractlets; fertile rays 5-11 mm. long, the umbels irregular, few-flowered; sterile and fertile flowers in the same umbellet, the sterile shortly pedicellate; fertile pedicels obsolete; flowers white; calyx deeply cleft, the lobes linear-subulate, rigid, with a conspicuous central nerve, about equaling the petals; anthers exserted; styles equaling or exceeding the calyx, shorter than the bristles; fruits usually 3 in each umbellet, subglobose to ovoid, 3-5 mm. long, about 3 mm. broad, sessile, the bristles numerous, short below, exceeding the erect calyx-lobes above; oil-tubes large, solitary in the intervals, 2-3 on the commissure; seed subterete in cross section, the commissural face usually concave, the scar broadly linear.
Type locality: Base of Little Stone Mountain, Georgia, Small.
Distribution: North Carolina to Florida, west to Missouri and Texas (Bush 35S, Earle 196,

Sanicula smallii is a flowering herb of the carrot family, Apiaceae. It is known by the common names Small's blacksnakeroot or southern snakeroot. It is found throughout the southeastern United States.