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

10. Spiradiclis emeiensis H. S. Lo, Acta Bot. Austro Sin. 1: 36. 1983.

峨嵋螺序草 e mei luo xu cao

Herbs, decumbent, rather fleshy, presumably perennial; stems densely pubescent. Petiole 1-4 cm, densely pubescent; leaf blade drying thinly papery, grayish green, ovate to elliptic, 4-9 × 2-4 cm, both surfaces sparsely pubescent or often densely so along abaxial veins, base cuneate then often decurrent, apex acute to obtuse; secondary veins 9-12 pairs; stipules persistent, deltoid, acuminate. Inflorescence cymose to subcapitate, villous; peduncle 0.1-0.5 cm; branched portion 1-2 cm, with axes dichasial; bracteoles subulate, 1.5-2 mm. Flowers subsessile. Calyx pilosulous to villous; hypanthium portion ellipsoid-cylindrical, ca. 1.5 mm; limb deeply lobed; lobes triangular-lanceolate, ca. 1 mm. Corolla white, urceolate-tubular, white villous outside; tube 3.5-4 mm; lobes lanceolate to elliptic, 2-2.5 mm. Capsules narrowly ellipsoid, ca. 6 × 3 mm, pilosulous to villous, valves 4, becoming slightly twisted. Fl. Jun, fr. Aug.

● Dense forests. Sichuan, Yunnan.

This species was described based on fruiting material; later H. S. Lo (Guihaia 11: 102. 1991) provided a detailed description of the inflorescences and flowers, which apparently represent the short-styled form of a distylous species.

1 Infructescence 1-2 cm, subsessile; capsules villous.   10a var. emeiensis
+ Infructescence ca. 3.5 cm; peduncles ca. 0.5 cm; capsules pilosulous.   10b var. yunnanensis

Lower Taxa


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