Peck's Blacksnakeroot

Sanicula peckiana F. Macbr. Contr. Gray Herb. 59:
28. 1919.
Plants erect, 2.5-4 dm. high, glabrous, perennial from a fleshy, subligneous taproot, the stems solitary or few, alternately few-branched above, 3-4-furcate at the apex; leaves oblongovate to subtriangular in general outline, excluding the petioles 5-10 cm. long, 1.5-5. 5cm. broad, pinnate, the primary divisions ovate, incised to serrate-lobed, mucronate, conspicuously veined, decurrent to form a toothed, winged rachis; petioles shortly sheathing below, 1.5-10 cm. long; cauline leaves smaller, becoming sessile upward; involucre of small, linear-lanceolate, entire or leaflike and pinnatifid bracts; involucel of small, triangular-acute, sometimes united bractlets, shorter than the umbellet; fertile rays 3-4, unequal, 2-75 mm. long; sterile and fertile flowers in the same umbellet, the sterile on pedicels 3-5 mm. long; fertile pedicels 1-2 mm. long or obsolete; flowers yellow; calyx cleft to the middle, the lobes linear to deltoid, acute, shorter than the petals; anthers yellow, exserted; styles recurved, conspicuously exceeding the bristles; fruit ovoid, 3-5 mm. long, 2.5-3 mm. broad, sessile or the central one pedicellate, the bristles well developed above, more or less obsolete below, somewhat bulbous at the base; oil-tubes large, 3-5 on the dorsal and lateral surfaces, 2 on the commissure; seed subterete in cross section, the commissural face plane.
Type locality: Siskiyou Mountains, 14 miles west of Waldo, Josephine County, Oregon, Peck 8403.
Distribution: Southwestern Oregon and northwestern California {Abrams 8505, Cusick 2931.