Biology:Habenaria dentata

Short description: Species of orchid

Habenaria dentata
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Orchidaceae
Subfamily:	Orchidoideae
Genus:	Habenaria
Species:	H. dentata
Binomial name
Habenaria dentata (Sw.) Schltr.
Synonyms
See text

Habenaria dentata is a species of orchid native to the Himalaya , China , India , Indochina, Thailand, Myanmar, Bhutan, Malaysia, Cambodia, Laos, Vietnam, the Philippines , Taiwan, and Japan . It has many common names, including, the Toothed Habenaria, Dai-Sagi-So, Seitaka-sagi-s, Mao Yu Feng Hua, Wan khao nieo, and Ueang khao tok.

Description

The whole plant is about 35 to 80 cm in height. It has a smooth round tuber that give rise to a single plant. Lower part of stem sheathed, middle leafy and upper part bracteate. Leaves 4 to 6 cm long, oblong to elliptic, 5 nerved, sometimes 7 also, the base of the leaf narrowed into a long tubular sheath. Spike 4 to 8 cm long, laxly flowered. Sepals sub-equal, broadly ovate, acute, spreading, the lateral pair sub-erect. Petals narrowly oblong, sub-acute, curved inwards, shorter than the sepals. Lip as long as the sepals, variable in breadth, with large cuneate or rounded, fimbriate or crenate side lobes and a small oblong entire apical lobe. Spur infundibuliform at the base, slender laterally compressed, geniculate, sub-clavate below the knee, longer than the shortly stalked beaked ovary. Stigmas separated by the area in the centre by the orifice of the spur. It generally blooms in August- September.

Synonyms

Orchis dentata Sw. is the basionym. Other synonyms include:

• Habenaria dentata f. ecalcarata (King & Pantl.) Tuyama
• Habenaria dentata ssp. ecalcarata (King & Pantl.) Panigrahi & Murti
• Habenaria dentata var. ecalcarata (King & Pantl.) Hand.-Mazz.
• Habenaria dentata var. parageniculata (Tang & F.T. Wang) Aver.
• Habenaria dentata var. tohoensis (Hayata) S.S. Ying
• Habenaria finetiana Schltr.
• Habenaria geniculata D.Don
• Habenaria geniculata var. ecalcarata King & Pantl.
• Habenaria miersiana Champ. ex Benth.
• Habenaria miersiana var. yunnanensis Finet
• Habenaria parageniculata Tang & F.T. Wang
• Habenaria sieboldiana Miq.
• Habenaria tienensis Tang & F.T. Wang
• Habenaria tohoensis Hayata
• Orchis geniculata Buch.-Ham. ex D. Don
• Plantaginorchis dentata (Sw.) Szlach.
• Plantaginorchis finetiana (Schltr.) Szlach.
• Platanthera dentata (Sw.) Lindl.
• Platanthera geniculata (D. Don) Lindl. ex Wall.

External links

• Habenaria dentata on Discover Life

Wikidata ☰ Q1610252 entry