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FOC | Family List | FOC Vol. 6 | Ranunculaceae | Pulsatilla

4. Pulsatilla dahurica (Fischer ex de Candolle) Sprengel, Syst. Veg. 2: 663. 1825.

兴安白头翁 xing an bai tou weng

Anemone dahurica Fischer ex de Candolle, Prodr. 1: 17. 1824.

Plants 25--40 cm tall. Rhizome ca. 16 cm, 5--7 mm in diam. Leaves 7--9; petiole 7--15 cm, with thick long pilose hairs; leaf blade ovate, 4.5--7.5 × 3--6 cm, 3-foliolate, abaxially with hairs only along veins, adaxially glabrous, base cuneate; lateral leaflets sessile or subsessile, unevenly 3-lobed; central leaflet long petiolulate, divided to base into 3 segments, lateral segments deeply 2-lobed, central segment stipitate, ultimate segments spatulate to broadly cuneate, 2--4 mm wide, margin entire or apically 2- or 3-toothed. Scapes 2--4, ca. 7.5 cm, elongated in fruit, with hairs; involucral bracts 4--5 cm, basally connate into a 1.2--1.4 mm tube, apical palmate lobes similar to leaves, abaxially puberulent. Sepals pale lilac to pale bluish violet, nearly erect, elliptical, ca. 2 × 0.5--1 cm, abaxially puberulent, apex slightly blunt. Stamens ca. 1/2 as long as sepals; anthers yellow. Infructescences ca. 10 cm in diam. Achenes narrowly obovate, ca. 3 mm, thickly puberulent. Persistent styles 5--6 cm. Fl. May--Jun.

Grassy slopes. Heilongjiang, Jilin, Nei Mongol [Korea, Russia (Far East, E Siberia)].


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