Dendrobium species
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publication ID |
https://doi.org/ 10.11646/phytotaxa.432.1.7 |
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persistent identifier |
https://treatment.plazi.org/id/345E404C-FFE4-FFF2-6CB3-FEE8FA4639E6 |
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treatment provided by |
Felipe |
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scientific name |
Dendrobium species |
| status |
|
Key to Dendrobium species in Sri Lanka (see Figs. 5–7 View FIGURE 5 View FIGURE 6 View FIGURE 7 )
1. Stems with one terminal leaf ............................................................................................................................................. D. macraei View in CoL
- Stems with more than one leaf ........................................................................................................................................................... 2
2. Stems short (3.5–10.0 cm) long.......................................................................................................................................................... 3
- Stems long (> 15 cm), erect or pendulous........................................................................................................................................... 5
3. Flowers greenish-white ...................................................................................................................................................................... 4
- Flowers pinkish-white ................................................................................................................................................ D. panduratum View in CoL
4. Mentum short, 0.4 cm long, lip rhomboid........................................................................................................................... D. diodon View in CoL
- Mentum long, 0.7 cm long, lip obovate..................................................................................................................... D. taprobanium View in CoL
5. Inflorescences as 1- or 2-flowered cluster on nodes along whip-like leafless terminal ends of the stems; flowers white with yellow markings on the lip ..................................................................................................................................................... D. crumenatum View in CoL
- Inflorescence as 2–4-flowered cluster on nodes of stems; flowers variously coloured, but not as above ......................................... 6
6. Flowering pseudobulbs erect, fleshy .................................................................................................................................................. 7
- Flowering pseudobulbs stems pendulous or stems not fleshy............................................................................................................ 8
7. Petals 3-veined, lip apex pointing forward.............................................................................................................. D. nutantiflorum View in CoL
- Petals 5-veined, lip apex recurved backwards.......................................................................................................... D. heterocarpum View in CoL
8. Flowers borne on leafy stems, lip not ciliate...................................................................................................................................... 9
- Flowers borne on leafless pseudobulbs, lip ciliate ............................................................................................... D. macrostachyum View in CoL
9. Flowers in racemes, large and showy, violet-pink...................................................................................................... D. maccarthiae View in CoL
- Flowers in pairs without distinct rachis, small, greenish or yellowish.......................................................................... D. salaccense View in CoL
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