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

71. Ranunculus dielsianus Ulbrich, Bot. Jahrb. Syst. 48: 621. 1913.

康定毛茛 kang ding mao gen

Herbs perennial. Roots fibrous, thickened above. Stems 5--40 cm, glabrous or sparsely puberulent, simple or branched. Basal leaves 1--3; petiole 2--9 cm, glabrous or sparsely puberulent; blade 3-lobed or 3-partite, reniform or pentagonal, 4--14 × 6--22 mm, papery or herbaceous, glabrous or sparsely puberulent or pubescent, base cordate, central lobe broadly obovate or rhombic-obovate, entire, 3-dentate, or 3-lobed, lateral lobes obliquely flabellate, unequally 2-lobed. Lower stem leaves similar to basal ones; upper stem leaves short petiolate or sessile, 3-sect, segments narrowly elliptic or oblong. Flowers solitary, terminal, 0.6--1.3 cm in diam. Pedicel 0.4--7 cm, subglabrous or puberulent. Receptacle puberulent. Sepals 5, ovate, 2.2--4 mm, abaxially appressed puberulent. Petals 5, obovate or elliptic-obovate, 4--6.5 × 1.8--4 mm, nectary pit without a scale, apex rounded or subtruncate. Stamens numerous; anthers oblong. Aggregate fruit ovoid, ca. 5 × 3 mm; carpels numerous. Achene obliquely broadly obovoid, 1--1.1 × 0.9--1 mm, puberulent or glabrous; style persistent, 0.6--1 mm. Fl. Jul--Sep.

* 2100--4800 m. NE Qinghai, W and NW Sichuan, S Xizang, N Yunnan.

1 Carpels and achenes puberulent.   (2)
+ Carpels and achenes glabrous.   (3)
2 (1) Basal leaves adaxially glabrous, abaxially glabrous or sparsely puberulent; stems 5--25 cm   71a var. dielsianus
+ Basal leaves adaxially pubescent, abaxially glabrous; stems 7--10 cm   71b var. suprasericeus
3 (1) Stems 6--10 cm; basal leaves adaxially puberulent; receptacle with sparse hairs ca. 0.4 mm   71c var. longipilosus
+ Stems ca. 40 cm; basal leaves adaxially glabrous; receptacle with sparse hairs 0.1--0.15 mm   71d var. leiogynus


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Photos by The Biodiversity of the Hengduan Mountains Project  
  • Image/JPEG (David E. Boufford)
  • Image/JPEG
  • Image/JPEG (David E. Boufford)
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  • Image/JPEG (David E. Boufford)
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