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

8. Aidia yunnanensis (Hutchinson) T. Yamazaki, J. Jap. Bot. 45: 339. 1970.

滇茜树 dian qian shu

Randia yunnanensis Hutchinson in Sargent, Pl. Wilson. 3: 400. 1916.

Shrubs or trees, 2-7 m tall; branches somewhat flattened to subterete, glabrous. Leaves subsessile to petiolate; petiole to 6 mm, strigillose to glabrous; blade drying papery or thinly leathery and sometimes reddish brown, elliptic-lanceolate or oblong-lanceolate, 6.2-17.5 × 2.7-6.5 cm, adaxially glabrous, abaxially glabrous or sometimes strigose or strigillose along principal veins, base cuneate to shortly rounded, sometimes slightly inequilateral, apex acuminate to caudate-acuminate; secondary veins 7-10 pairs, in abaxial axils sometimes with small foveolate and/or pilosulous domatia; stipules caducous, interpetiolar or shortly united around stem, lanceolate to narrowly triangular, 4-7 mm, strigillose to glabrous, smooth to keeled, apex acute to acuminate. Inflorescences fasciculate, several flowered, strigillose to hirtellous or strigose sometimes becoming glabrescent with age; bracts triangular, 0.5-1 mm, acute; pedicels 2-4 mm. Calyx strigillose; ovary portion obconic to ellipsoid, ca. 1 mm; limb 1-2.5 mm including lobes, shallowly lobed; lobes 4, triangular to broadly triangular, 0.5-0.7 mm, acute. Corolla white, outside glabrous; tube ca. 3 mm, villous in throat; lobes 4, narrowly oblong-spatulate, 4-5 × ca. 2 mm, obtuse to rounded. Berry red, 5-8 mm in diam., strigillose or glabrous. Fl. Mar-May, fr. May-Jan.

Thickets or forests on hills or mountains; 500-1700 m. S Yunnan [Thailand (Maxwell 97-144, MO!)].


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