伪泥胡菜 wei ni hu cai

Mastrucium pinnatifidum Cassini ex Candolle; Serratula coronata var. manshurica (Kitagawa) Kitagawa; S. manshurica Kitagawa.

Herbs 0.6-1.5 m tall. Rhizomes stout, procumbent. Stems erect, apically branched, rarely unbranched, glabrous. Basal and lower stem leaves petiolate, strigose to glabrescent; petiole 5-16 cm; leaf blade oblong to elliptic in outline, to 40 × 12 cm, pinnatisect or pinnate; segments narrowly elliptic, margin dentate or serrate; lateral segments 3-8 pairs, asymmetrical, decurrent on rachis. Middle and upper stem leaves sessile, similar in form and same in division as basal and lower stem leaves but smaller. Capitula heterogamous, few or rarely 1. Involucre bowl-shaped to campanulate, 1.2-2.5 cm in diam., with brownish lanate to velvety pubescence, rarely glabrescent. Phyllaries imbricate, in 6 or 7 rows, abaxially purplish red; outer phyllaries triangular to ovate, 3-7 × 1.5-4 mm, apex acute and with a spinule; middle and inner phyllaries elliptic, narrowly elliptic, or lanceolate, 10-18 × 3-4 mm, apex acuminate to acute; innermost phyllaries linear, ca. 20 × 1 mm. Corolla purple, 2-2.8 cm in female florets, ca. 2 cm in bisexual florets. Achene oblanceolate-ellipsoid, ca. 7 mm, many striate. Pappus elements yellowish brown, to ca. 1.2 cm, scabrid. Fl. and fr. Jul-Oct. 2n = 22.

Forests, forest margins on mountain slopes, steppes, meadows, riverbanks; 100-1600 m. Anhui, SE Gansu, Guizhou, Hebei, Heilongjiang, W Henan, NW Hubei, NW Jiangsu, Jiangxi, Jilin, Liaoning, Nei Mongol, S Shaanxi, E Shandong, Shanxi, N Xinjiang [Japan, Kazakhstan, Korea, Kyrgyzstan, Mongolia, Russia; Europe].