Calanthe R. Brown 1821
Creators: name: Yu, Feng-Qiong
name: Deng, Hong-Ping
name: Wang, Qian
name: Yang, Zhi-Ming
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Liliopsida
Asparagales
Orchidaceae
Calanthe

description: Identification key to the species belonging to Sect. Calanthe –– It follows:
1. Leaves deciduous in dry season; inflorescence (including rachis, bracts, and flowers) densely villous; column with a distinct column foot; lip adnate to column foot ................................................................................................................................... C. labrosa
- Leaves not deciduous; inflorescence glabrous or puberulent; column without a column foot; lip adnate to column wings or adnate to base of column................................................................................................................................................................................2
2. Floral bracts caducous; rostellum unlobed.........................................................................................................................................3
- Floral bracts persistent; rostellum 2- or 3-lobed.................................................................................................................................8
3. Lip similar to petals, spurless .................................................................................................................................... C. actinomorpha
- Lip different from petals, spurred at base...........................................................................................................................................4
4. Flowers white ............................................................................................................................................................... C. angustifolia
- Flowers yellow...................................................................................................................................................................................5
5. Lip obscurely 3-lobed; lateral lobes very small, to 1 mm, sometimes inconspicuous ................................................... C. lyroglossa
- Lip distinctly 3-lobed; lateral lobes relatively large, 2–5 mm ............................................................................................................6
6. Spur cylindric; lip adnate to base of column wings; column slender, ca. 12 mm. .......................................................... C. densiflora
- Spur clavate; lip adnate to entire length of column wings; column thick, 5–7 mm ...........................................................................7
7. Leaves narrowly elliptic; lip with 2 triangular lamellae at base of disk..... C. clavata - Leaves oblong-elliptic to oblanceolate; lip with 2 lunar calli between lateral lobes of disk ................................................................................................................ C. speciosa
8. Lip spurless........................................................................................................................................................................................ 9
- Lip spurred; Lip unlobed; Lip margin fimbriate .................................................................................................................. C. alpina
9. Flowers small; sepals to 7 mm ...................................................................................................................................... C. tsoongiana
- Flowers large; sepals 10–20 mm ......................................................................................................................................................10
10. Lip clawed at base, claw forming a shallow sac at base .................................................................................................. C. sacculata
- Lip not clawed..................................................................................................................................................................................11
11. Lip with 3–5 crested lamellae or short-crests on disk......................................................................................................................12
- Lip without lamellae or calli on disk................................................................................................................................ C. ecarinata
12. Flowers pale yellow, with reddish brown lip.................................................................................................................. C. tricarinata
- Flowers pale yellow, with white lip................................................................................................................................. C. wuxiensis
description: Published as part of Yu, Feng-Qiong, Deng, Hong-Ping, Wang, Qian & Yang, Zhi-Ming, 2017, Calanthe wuxiensis (Orchidaceae: Epidendroideae), a new species from Chongqing, China, pp. 152-156 in Phytotaxa 317 (2) on page 155, DOI: 10.11646/phytotaxa.317.2.9, http://zenodo.org/record/13698619