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

27. Leptodermis tomentella H. J. P. Winkler, Repert. Spec. Nov. Regni Veg. 18: 159. 1922.

蒙自野丁香 meng zi ye ding xiang

Shrubs; stems, branches, and both surfaces of leaves tomentulose; branchlets stout, terete, upper branchlets short, lower branchlets longer, secondary branchlets very short. Petiole short and thick; leaf blade thickly papery, brownish when dry, ovate or elliptic, 5-19 × 2.5-10 mm, base broadly cuneate, apex acute, with a short stiff apiculus; lateral veins 2 or 3(or 4) pairs, inconspicuous adaxially, slightly prominent abaxially; stipules triangular, 1-1.5 mm, with stiff acicular apiculus. Flowers 3-7 fascicled at tips of branchlets, subsessile; bracteoles ovate, ca. 3 mm, ca. 1/3 connate, tomentose, with acicular apiculus slightly shorter than calyx lobes. Calyx tubes black when dry; lobes pale brown, ovate-oblong, ca. 1.5 mm, ciliate, slightly obtuse. Corolla purple or white, funnelform, 1.2-1.3 cm, tomentose outside, throat villous; lobes with margins broad, soft and thin. Stamens 5, inserted in throat of corolla tube; filaments very short; anthers linear, ca. 2.5 mm. Style exserted; stigmas 5-lobed, lobes linear. Capsules ca. 5 mm; seed aril reticulate, adherent to testa. Fl. May-Jun, fr. Sep.

● Mountain slopes; 1500-2000 m. C and S Yunnan (Chengjiang, Mengzi).


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