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FOC | Family List | FOC Vol. 19 | Rubiaceae | Spiradiclis

28. Spiradiclis purpureocaerulea H. S. Lo, Bull. Bot. Res., Harbin. 6(4): 39. 1986.

紫花螺序草 zi hua luo xu cao

Herbs, presumably perennial; stems densely brown pubescent. Leaves subsessile; blade drying papery, adaxially black, abaxially pale, ovate, 3-6.5 × 1.5-3 cm, adaxially densely strigose-hispidulous, abaxially densely pubescent, base rounded or obtuse, apex obtuse; secondary veins 7-10 pairs; stipules subulate, 2-3 mm, pubescent, caudate-acuminate. Inflorescence congested-cymose, 1.5-3 cm, densely pubescent; peduncles short. Calyx pubescent; hypanthium portion obconic-globose, ca. 2 mm; lobes narrowly lanceolate, 4-4.5 mm, acuminate. Corolla bluish purple, slenderly salverform; tube 19-21 mm; lobes subovate, ca. 6 mm, obtuse. Capsules subglobose, 4-4.5 mm in diam., pubescent, valves 4. Fl. Aug.

● On rocks at roadsides. Guangxi (Longzhou).


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