甘肃土当归 gan su tu dang gui

Herbs, perennial, to ca. 50 cm tall, with elongate rhizome. Leaves 2- or 3-pinnately compound; petiole 4-12 cm, sparsely pubescent; petiolules 0-10 mm (terminal one 5-15 mm), densely villous; leaflets 3-9 per pinna, ovate to oblong-ovate, 3-5 × 1-2.5 cm, membranous, both surfaces setose, more densely so on veins, secondary veins 5-7 pairs, conspicuous abaxially, tertiary veins inconspicuous or subconspicuous abaxially, base rounded to cordate, margin biserrate, apex long acuminate. Inflorescence a compact panicle of umbels; primary axis longer than 10 cm; secondary axes 15-20 cm; bracts linear-lanceolate to ovate-lanceolate, ca. 1.5 cm; umbels corymbosely arranged, rarely racemosely arranged, 8-12-flowered; pedicels 2-5 mm, villous. Ovary 5-carpellate; styles 5, free. Fruit globose, ca. 3 mm in diam.; styles persistent. Fl. Jun.

● Grasslands or scrub fields on slopes; ca. 3100 m. S Gansu (Xihe).