紫蕊白头翁 zi rui bai tou weng

Anemone kostyczewii Korshinsky, Zap. Imp. Akad. Nauk. Fiz.-Mat. Otd. 4(4): 88. 1896.

Plants ca. 14 cm tall. Leaves 4; petioles ca. 3 cm, sparsely white puberulent; leaf blade 1.2--2 × 3--4 cm, 3-foliolate, 2 or 3 × finely divided, sparsely white puberulent; leaflets petiolulate, all but ultimate segments stipitate; ultimate segments filiform, ca. 0.5 mm wide, margin revolute when fully expanded. Scapes sparsely white puberulent; involucral bracts 1.6--2 cm, palmately divided into linear lobes, thickly pilose. Flowers ca. 5 cm in diam. Pedicel ca. 6 cm, puberulent. Sepals 6, purplish red, ± spreading, obovate to oblong, 2--2.5 × 1.2--1.8 cm, outside puberulent, apex rounded to blunt. Stamens 4--10 mm; staminodes absent; filaments purple; anthers purple, narrowly ellipsoid, ca. 1.2 mm, apex rounded. Pistils thickly pilose. Fl. Jun.

Grassy slopes; ca. 2900 m. W Xinjiang (S Tian Shan) [Kyrgyzstan, Tajikistan].