Bulbophyllum section Macrocaulia (Blume, 1825) Averyanov, 1994

Dang, Minh Quan, Averyanov, Leonid V., Maisak, Tatiana V., Tran, Thi Thuy Nhan, Nguyen, Van Canh, Wook, Um Sung, Nguyen, Quoc Bao, Truong, Quang Tam & Truong, Ba Vuong, 2024, Bulbophyllum section Macrocaulia (Orchidaceae) in Vietnam, Phytotaxa 677 (3), pp. 265-277 : 266

publication ID

https://doi.org/10.11646/phytotaxa.677.3.6

persistent identifier

https://treatment.plazi.org/id/0A13770A-FFD5-FFD7-FF02-FB2537D87323

treatment provided by

Felipe

scientific name

Bulbophyllum section Macrocaulia
status

 

Key to the species of Bulbophyllum section Macrocaulia in Vietnam

1. Flower with warty, coarsely verrucose or finely papillose lip............................................................................................................2

- Flower with smooth, glabrous lip.......................................................................................................................................................4

2. Lip not clawed at base, ellipsoid entirely ................................................................................................................. 1. B. ovalifolium View in CoL

- Lip with claw at base, in apical half globose .....................................................................................................................................3

3. Lip distally finely papillose, not much warty....................................................................................................... 2. B. malleolabrum View in CoL

- Lip distally strongly warty........................................................................................................................................ 3. B. catenarium View in CoL

4. Pseudobulbs globular or discoid, leaves caducous when flowering........................................................................4. B. moniliforme View in CoL

- Pseudobulbs elliptic to oblong, leaves persistent when flowering .....................................................................................................5

5. Lip entirely flat ...................................................................................................................................................... 5. B. ignevenosum View in CoL

- Lip apex convex or swollen................................................................................................................................................................6

6. Flower orange-red, apical part of the lip convex................................................................................................. 6. B. papilluliferum

- Flower yellow-green, apical part of the lip somewhat swollen.........................................................................7. B. physocoryphum View in CoL

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