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

5. Pulsatilla patens (Linnaeus) Miller, Gard. Dict., ed. 8. Pulsatilla no. 4. 1768.

肾叶白头翁 shen ye bai tou weng

Plants to 40 cm tall. Rhizome cylindric, branched distally. Leaves 5, not fully expanded at anthesis; petiole 5.5--15 cm, with thick long pilose hairs; leaf blade nearly kidney-shaped, rounded-ovate, or 5-angled, 2.5--7 × 4.5--11 cm, ± equally 3-foliolate, abaxially with white hairs, adaxially glabrous, base broadly cordate; lateral leaflets subsessile, unevenly 2-lobed; central leaflet subsessile or with a 1--4 mm petiolule, deeply 3-lobed, lobes entire or dissected, ultimate lobes triangular to narrowly linear and 2--3.5 mm wide. Scapes erect, elongated in fruit, with hairs; involucral bracts 3.5--4.5 cm, basally connate into a 0.8--1.2 mm tube, apical palmate lobes linear, abaxially thickly puberulent. Sepals lilac to blue-violet, rarely milk-white to yellowish (subsp. flavescens), erect, oblong-ovate, ca. 3 × 1 cm, inside glabrous, outside sparsely hairy. Anthers yellow. Infructescences ca. 5 cm in diam. Achenes ca. 5 mm, thickly puberulent. Persistent styles 2.8--4.8 cm. Fl. Jun--Jul.

Grassy slopes, mountain slopes under forests; ca. 1100 m. Heilongjiang, N Nei Mongol, N Xinjiang [Kazakhstan, Mongolia, Russia; N Europe, North America].

1 Leaf blade lobes with 1 or 2 secondary lobes; ultimate lobes of leaf blade triangular, narrowly triangular, or triangular-lanceolate   5a subsp. patens
+ Leaf blade lobes finely divided; ultimate lobes of leaf blade linear-lanceolate to narrowly linear.   (2)
2 (1) Sepals lilac to blue-violet   5b subsp. multifida
+ Sepals milk-white to yellowish   5c subsp. flavescens


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