Coelogyne Lindley
Creators: name: Vo, Doan Trung
name: Averyanov, Leonid V.
name: Maisak, Tatiana V.
name: Bui, Van Huong
name: Nguyen, Van Canh
name: Dang, Minh Quan
name: Nguyen, Quoc Bao
name: Truong, Ba Vuong
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Liliopsida
Asparagales
Orchidaceae
Coelogyne

description: Key to the Coelogyne species formerly classified under Panisea in Vietnam
1. Lip with side-lobes or auricles ...........................................................................................................................................................2
–. Lip entire ............................................................................................................................................................................................5
2. Lip with keels .....................................................................................................................................................................................3
–. Lip without keels ................................................................................................................................................................................4
3. Inflorescence 1-flowered; lip with 3 low straight keels; lip side lobes falcate, epichile margin more or less flat............ C. uniflora
–. Inflorescence normally few-flowered; lip with 2 fat undulate keels; lip side lobes broadly triangular, epichile margin undulate ..... ............................................................................................................................................................................................... C. vinhii
4. Sepals less than 2 cm long; the margin of lip and column wings at apex entire ............................................................... C. sagittata
–. Sepals longer than 2 cm; the margin of lip lobes erose-irregular denticulate, column wings at apex irregularly denticulate............. ......................................................................................................................................................................................... C. sondangii
5. Lip with calli or keels .........................................................................................................................................................................6
–. Lip without ornamentation .................................................................................................................................................................9
6. Lip with 3 calli, flowers yellowish-green to pale yellow-orange.......................................................................................................7
–. Lip with 2 keels, flowers white ..........................................................................................................................................................8
7. Leaves elliptic to elliptic-ovate ........................................................................................................................................ C. tricallosa
–. Leaves lanceolate to narrowly lanceolate........................................................................................................................... C. garrettii
8. Lip white, with brown-yellow blotch at middle; keels undulate, run from middle of hypochile to central part of epichile ............... ................................................................................................................................................................................................... C. moi
–. Lip uniformly white; keels straight, running from base of hypochile to base of epichile................................................. C. albiflora
9. Inflorescence with 1–2 flowers; flower purely white, sepals without keel, lateral sepals without saccate base; margin of petals entire........................................................................................................................................................................... C. yunnanensis
–. Inflorescence normally with up to 6 flowers; flower white with brown marks on base of lip and column, sepals keeled abaxially, lateral sepals at base obscurely saccate .............................................................................................................................. C. demissa
description: Published as part of Vo, Doan Trung, Averyanov, Leonid V., Maisak, Tatiana V., Bui, Van Huong, Nguyen, Van Canh, Dang, Minh Quan, Nguyen, Quoc Bao & Truong, Ba Vuong, 2022, New species, Coelogyne sondangii (Orchidaceae), and a new national record, C. moi, in Vietnam, pp. 200-206 in Phytotaxa 559 (2) on page 201, DOI: 10.11646/phytotaxa.559.2.9, http://zenodo.org/record/7021643