Zeuxine, Lindley, 1826

Gyeltshen, Phub, Rabgay, Kinley, Tobgay, Kezang & Kumar, Pankaj, 2025, Zeuxine drukyulensis (Orchidaceae), a new jewel orchid from Bhutan Himalaya, Phytotaxa 690 (1), pp. 123-129 : 127

publication ID

https://doi.org/10.11646/phytotaxa.690.1.11

persistent identifier

https://treatment.plazi.org/id/19657F38-FFC9-FF95-FF7D-FBD9A3BDF9B9

treatment provided by

Felipe

scientific name

Zeuxine
status

 

Key to the species of Zeuxine View in CoL in Bhutan

1. Leaves linear or ovate-oblong ............................................................................................................................................................2

- Leaves ovate-elliptic to ovate or ovate-lanceolate .............................................................................................................................3

2. Leaves linear, inflorescence densely many-flowered................................................................................................ Z. strateumatica View in CoL

- Leaves ovate-oblong, inflorescence laxly 3–14-flowered.............................................................................................. Z. agyokuana View in CoL

3. Column with distinct wings, hypochile containing 2–3 lamellate calli..............................................................................................4

- Column with indistinct wings, hypochile containing 2 subulate hooked calli ...................................................................................7

4. Column with 4 wings, epichile green ........................................................................................................................ Z. drukyulensisis

- Column with 2 wings, epichile white or yellow.................................................................................................................................5

5. Petals oblong-ovate, hypochile with 1 small gland on each lateral side ................................................................................. Z. flava View in CoL

- Petals obliquely oblong-ovate to suborbicular ...................................................................................................................................6

6. Floral bracts shorter than ovary, lip equalling sepals ..................................................................................................... Z. glandulosa View in CoL

- Floral bracts exceeding ovary, lip exceeding sepals............................................................................................................ Z. nervosa View in CoL

7. Epichile of lip entire, not lobed or very faintly lobed ................................................................................................ Z. goodyeroides View in CoL

- Epichile of lip distinctly 2-lobed ........................................................................................................................................................8

8. Petals obliquely elliptic to obliquely oblong-obovate, viscidium elliptic ............................................................................. Z. affinis View in CoL

- Petals obliquely elliptic lanceolate, viscidium oblong-elliptic............................................................................................. Z. reflexa View in CoL

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