Genus Dendrobium section Aporum subsection Strongyle
Dendrobium section Strongyle Lindl., Paxton's Fl. Gard. 1 (1850-51) sub t. 27.
- Genus Dendrobium subgen. Strongyle (Lindl.) Kränzl. in Engl., Pflanzenr. IV. 50. II. B. 21 (1910). 220. Type species: Dendrobium subulatum (Blume) Lindl. (basionym: 0nychium subulatum Blume).
Rhizome short, roots (unlike sect. Oxystophyllum) not brown. Stems (much) elongated and slender, usually not branched, not fleshy, many-leaved. Leaves sheathing at the base, not overlapping, glabrous, thick coriaceous, very fleshy, often subterete, bilaterally flattened with rounded edges (unlike sect. Aporum and sect. Oxystophyllum). Inflorescences arising laterally or subterminally from the stem, mainly in upper part, very short, 1-flowered, often in small fascicles. Flowers medium-sized, lasting at most 2-3 days, thin-textured, usually white or at least with pale colours. Mentum well-developed, not tubular in apical part. Lip not mobile.