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

6. Pavetta tomentosa Roxburgh ex Smith in Rees, Cycl. 26: Pavetta no. 2. 1814.

绒毛大沙叶 rong mao da sha ye

Ixora tomentosa (Roxburgh ex Smith) Roxburgh; I. tomentosa var. roxburghii Kurz; Pavetta indica Linnaeus var. tomentosa (Roxburgh ex Smith) J. D. Hooker; P. tomentosa var. roxburghii (Kurz) Bremekamp.

Shrubs or small trees, height not noted; branches tomentose. Petiole 1-3 cm, tomentose; blade drying thickly papery and blackening, elliptic or elliptic-lanceolate, 8-15 × 4-9 cm, scabrous adaxially, tomentose abaxially, base acute, apex acute or acuminate; secondary veins 10-12, with foveolate and/or pubescent domatia; stipules ovate-triangular, 6-8 mm, tomentose, aristate. Inflorescences terminal on branches with 1 or 2 internodes, laxly corymbose, 5-10 × 5-25 cm, densely tomentose, pedunculate; peduncle 0.5-1.5 cm; pedicels 4-8 mm. Flowers pedicellate. Calyx densely tomentose; hypanthium portion ellipsoid, ca. 1 mm; limb ca. 0.5 mm, denticulate to lobed. Corolla white, outside glabrous; tube (6.2-)8-12 mm, sparsely pilose inside; lobes narrowly oblong, 4.6-7 mm, acute. Style 24-33 mm. Drupes globose, ca. 5 mm, tomentulose. Fl. and fr. Jul-Sep.

Tropical rain forests; ca. 1000 m. Yunnan (Menghai) [India, Malaysia, Myanmar, Nepal, Pakistan, Thailand, Vietnam].

Rout and Deb (Bull. Bot. Surv. India 41: 128-136. 1999) treated this species as Pavetta indica var. tomentosa. Bremekamp (Repert. Spec. Nov. Regni Veg. 37: 113-114. 1934) and Rout and Deb described the corolla tubes as 8-12 mm, but W. C. Ko (in FRPS 71(2): 28. 1999) gave the minimum measurement as 6.2 mm.


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