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FOC | Family List | FOC Vol. 25 | Orchidaceae | Dendrobium

5. Dendrobium sect. Distichophylla J. D. Hooker, Fl. Brit. India. 5: 711. 1890.

心叶组 xin ye zu

Roots smooth. Stem evenly swollen, cylindric, leafy, usually tall, in some species deciduous. Leaves closely spaced, distichous, in 2 rows, usually short, stiffly textured, base cordate, clasping, and decurrent into sheaths. Inflorescences borne at each node on recent and older leafy stems, 1- to several flowered. Flowers solitary, leaf opposed, resupinate or not resupinate, usually white, medium-sized, shortly pedicellate. Sepals and petals sometimes reflexed; mentum straight, narrowly saccate, its elements fused distally into a spur.

About 30 species: Himalayas to Oceania, most in Indonesia; one species in China.


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