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

12. Leptodermis kumaonensis R. Parker, Indian Forester. 48: 576. 1922.

吉隆野丁香 ji long ye ding xiang

Shrubs, 1-2 m tall, sometimes to 3 m tall; branchlets terete, usually purple, glandular pilose. Petiole 2-4 mm, somewhat pilose; leaf blade papery, dark gray adaxially and grayish brown or pale abaxially when dry, oblong-lanceolate or ovate-lanceolate, 3-10 × 1-2.5 cm on long branches, usually shorter than 1.5 cm on short branches, strigose pilose adaxially, pilose on midrib and lateral veins abaxially, base broadly cuneate, margins entire, usually ciliate, apex subacuminate; lateral veins 6-9 pairs, ascending in an arch, midrib compressed abaxially, veinlets dark brown, inconspicuous adaxially, scrobiculate abaxially; stipules triangular, 4-4.5 mm on upper part of branchlets, shorter on lower part, pilose outside, abruptly contracted acuminate. Flowers 3-5 fascicled on ends of lateral short branches, sessile or subsessile; bracts 2, ca. 7 mm or slightly longer, ca. 2/3 connate, free portion cuspidate, ciliate, often pilose near midrib outside. Calyx tube 3.5-4 mm; lobes 5, triangular-ovate, ca. 1.5 mm, ciliate, acute or slightly obtuse. Corolla funnelform, 13-15 mm, pilose or subglabrous outside, white villous below throat inside; lobes 5, with sinus ca. 3 mm in depth, apex obtusely 3-dentate, central portion slightly thickened, ca. 2 mm wide, margins of both sides thin, 1-1.2 mm wide, inflexed in bud. Long-styled flowers: stamens 5, inserted below throat, filaments almost absent, anthers dorsifixed, linear, ca. 3 mm, included; style ca. 9 mm, stigmas 5- or 6-lobed, lobes linear, 4-5 mm, slightly exserted. Short-styled flowers: stamens with filaments ca. 1.5 mm, anthers slightly exserted; style ca. 4.5 mm, stigmas 5 or 6, linear, ca. 2 mm, extending to below throat. Capsule not seen, subcylindric, ca. 5.6 mm (according to record); seeds linear, covered in fibers; aril not adherent to testa.

Thickets, forest margins; 2800-3000 m. S Xizang (Gyirong) [Bhutan, N India (Uttarakhand), Nepal].

Leptodermis parkeri Dunn (Bull. Misc. Inform. Kew 1920: 206. 1920), described from N India, was erroneously recorded from S Xizang (Gyirong) in FRPS (71(2): 139. 1999), based on the gathering Qinghai-Xizang Expedition 6957, which is in fact referable to L. kumaonensis.


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