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SCBG Checklist | Family List | Orchidaceae | Dendrobium

Dendrobium jenkinsii Wall. ex Lindl.

聚石斛

Description from Flora of China

Callista aggregata Kuntze var. jenkinsii (Wallich ex Lindley) Brieger; Dendrobium aggregatum Roxburgh var. jenkinsii (Wallich ex Lindley) King & Pantling; D. marseillei Gagnepain.

Stems pseudobulbous, aggregated, appressed to substrate, ovoid, compressed, 1-2.5 cm, 4-angled, ridged, with 2 or 3 nodes, 1-leaved. Leaf apical, 1-3 × 0.5-0.8 cm. Inflorescence lateral from pseudobulb, shorter than or nearly as long as stem, 1-3-flowered; peduncle ca. 1.4 cm, glabrous; floral bracts lanceolate, 15-25 × 4-5.5 mm, membranous, acute. Pedicel and ovary 4-5 cm, slender. Flowers ca. 4 cm, uniformly yellow-orange. Dorsal sepal oblong-elliptic, 10-12 × 5-6 mm, 5-veined, obtuse; lateral sepals narrowly ovate-elliptic, 13-14 × 4-5 mm, 5-veined, apex obtuse; mentum 4-5 mm wide. Petals elliptic-ovate to orbicular, 1-1.6 × 0.5-0.9 cm, 5-veined; lip transversely obcordate, 1.5-2.2 × 1.7-2.8 cm (when spread out), adaxial surface pubescent centrally, entire, erose. Column ca. 6 mm, thick.

Open forests; 700-1300 m. S Yunnan [Bhutan, NE India, N Laos, Myanmar, N Thailand, N Vietnam].

兰园 Orchid Garden, 引种苗圃 Introducing Plants Nursery


 

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