About Saposhnikovia divaricata (Turcz.) Schischk.
Saposhnikovia divaricata (Turcz.) Schischk. is a glabrous, much-branched perennial herb. It grows from a branched, annular tuberous rootstock that can reach up to 2 cm thick; the crown of the rootstock is surrounded by the fibrous, remnant sheathing bases of old petioles. Plants reach 30–100 cm in height. Basal leaves are numerous; their petioles are flattened with ovate sheaths, and measure 2–6.5 cm in length. Leaf blades range from oblong-ovate to broad-ovate, growing up to 35 cm long and 18 cm wide, though they are usually smaller. Leaves are bi- to tripinnatifid, with 3–4 pairs of petiolulate pinnae, and terminal lobes are lanceolate with 3-lobed apices. Upper leaves are simpler in structure with sheathing petioles, and reduce in size moving up the stem; they are often absent entirely, resulting in aphyllous branching. Inflorescences are compound umbels, which lack involucral bracts. Umbels have 5–9 rays, 4–5 bracteoles, and 4–9 pedicels. Flowers are white or yellow, with petals approximately 1.5 mm long. Mature mericarps are broadly ovate to oblong, flat, and grow up to 5 mm long by 3 mm wide. They are tuberculate when young, becoming smooth at maturity, and have winged lateral ribs. This species flowers from August to September, and fruits from September to October.
In China, Saposhnikovia divaricata occurs in the provinces of Inner Mongolia, Hebei, Shandong, Henan, Shanxi, Shaanxi, Hunan, Heilongjiang, Jilin, and Liaoning. It is also found in Russia, Mongolia, Korea, and Japan. It grows on grassy and stony slopes at elevations between 400 and 800 m (1,300–2,600 ft), as well as at the margins of rice paddies, along roadsides, and in waste places.
