Chamaegastrodia, Makino & F. Maek., 1935

Qu, Chen-Hui, Jin, Yue, Yu, Xun-Lin, Huang, Cun-Zhong, Wu, Lei & Tian, Huai-Zhen, 2022, Chamaegastrodia guidongensis (Orchidaceae), a new species from Hunan, China, Phytotaxa 555 (3), pp. 267-272 : 271

publication ID	https://doi.org/10.11646/phytotaxa.555.3.6
DOI	https://doi.org/10.5281/zenodo.6924695
persistent identifier	https://treatment.plazi.org/id/4A4B87F6-FF97-FFA0-FF1F-DA71BDEFFC66
treatment provided by	Plazi (2022-07-27 06:02:40, last updated 2024-11-28 12:11:28)
scientific name	Chamaegastrodia
status

Treatment

Key for identifying the members of genus Chamaegastrodia View in CoL

1. Apex of epichile contracted, with rarely entired or only slightly erose margin .................................................................................2

- Apex of epichile enlarged, partite.......................................................................................................................................................3

2. Lip canoe-shaped, margin wavy; column, with 2 triangular, fleshy wings attached to apex vertically..................... C. guidongensis

- Lip narrowly ovate to ovate-oblong, apex acute to acuminate; column with 2 dentoid norrow-lanceolate stigmatic processes attached to apex ................................................................................................................................................................. C. vaginata View in CoL

3. Lip Y-shaped, with a deep incision at apex of epichile, saccate at base.............................................................................................4

- Lip T-shaped, with slightly notched epichile at apex .........................................................................................................................5

4. Lip orange yellow, ca. 16 × 13 mm, with a pair of elongate introrse lobules at the epichile lobes ................................... C. poilanei View in CoL

- Lip light yellow, 11.2–12.2 × 5.8–7 mm at apex, absence of a pair of elongate introrse lobules at the epichile lobes ....................... ..................................................................................................................................................................................... C. nanlingensis View in CoL

5. Lip with crisped margin at apex ........................................................................................................................................... C. asraoa View in CoL

- Lip with entire margin at apex............................................................................................................................................................6

6. Lip mesochile lacking external flanges; anther with 2 narrowly triangular-lanceolate lobes at base, sessile...................... C. inverta View in CoL

- Lip mesochile with external flanges; anther lacking basal lobes, attached to column via a short filament................... C. shikokiana View in CoL