Aceratorchis

Taxobox
name = "Aceratorchis"
regnum = Plantae
divisio = Magnoliophyta
classis = Liliopsida
ordo = Asparagales
familia = Orchidaceae
subfamilia = Orchidoideae
tribus = Orchideae
subtribus = Orchidinae
alliance = Orchis
genus = "Aceratorchis"
genus_authority = Schltr.
subdivision_ranks = Species
subdivision = See text - two species

"Aceratorchis" [ [http://www.crescentbloom.com/plants/Genus/A/c/Aceratorchis.htm Hierarchical position of the Genus Aceratorchis] ] Schltr., 1922 is a small genus from the orchid family (Orchidaceae).

The genus includes only two epiphytic species, occurring in mountainous forests and meadows from Tibet to Central China and Yunnan.

These orchids are 6--15 cm tall, with a fleshy, creeping, digitate rhizome

The cylindric stem is erect, with 2 basal tubular sheaths.

The green, glabrous leaf is basal and petiolate, oblong-spatulate or spatulate with obtuse apex. Its base is clasping around the stem.

The inflorescence has 1 to 6 small flowers with lanceolate floral bracts. The sepals are oblong and 3-veined, with an obtuse apex. The lower sepal is concave, forming a hood with petals. The lateral sepals are spreading. The erect, oblong-lanceolate petals are purplish red, pale purple, or white, 2-veined, with an acute apex.

The ovate-lanceolate lip is spreading, It is slightly broader than the petals. Its base is slightly concave, spurless, not lobed, margin entire or slightly undulate. The apex is obtuse.

Species

* "Aceratorchis albiflora" Schltr. 1922 (Tibet to China - Yunnan).
* "Aceratorchis tschiliensis" Schltr. 1922 (Qinghai to C. China).

Notes

External links

* [http://www.asianflora.com/Orchidaceae/Aceratorchis-tschiliensis.htm Photo of "Aceratorchis tschiliensis"]