Habenaria arietina Hook.f. 1890 SECTION Macroceratitis

Side View of Flower

Inflorescence Photos by Peter O'Byrne and The Swiss Orchid Foundation at the Jany Renz Herbaria Website

Fragrant Part Shade CoolTo ColdSummer

Common Name The Ram's Horn Habenaria - In China Mao Ban Yu Feng Hua

Flower Size 1.6 to 2" [3 to 5 cm]

Found in the Chinese Himalayas, western Himalayas, Assam, eastern Himalayas, Nepal and Vietnam on grassy slopes at elevations of 1500 to 3600 meters as a small to medium sized, cool to cold growing terrestrial with a fusiform tuber giving rise to a leafy, wide at the base tapering above stem and carrying distichous, distant, lanceolate to ovate-lanceolate, acute to subacuminate, sessile, becoming smaller up the stem leaves that blooms in the summer on a glabrous, 6 to 7.2" [15 to 18 cm] long, subdensely many flowered inflorescence with leaf-like, narrowly lanceolate, acute, 5 veined bracts and carrying long-lasting, fragrant flowers.

This species is within a group of similar orchids consisiting of H intermedia, H davidii, H limprichtii, H ensifolia, H triquetra, H yueana, H mairei and H pectinata which all have trilobed lips with the two lateral sides with fringe.

Synonyms Habenaria ensifolia var. gigantea (Pradhan) P.K.Sarkar 1984; Habenaria ensifolia var. khasiensis (Pradhan) P.K.Sarkar 1984; Habenaria intermedia var. arietina (Hook.f.) Finet 1901; Habenaria pectinata var. arietina (Hook.f.) Kraenzl 1898; Habenaria pectinata var. gigantea Pradhan 1979; Habenaria pectinata var. khasiensis Pradhan 1979; Ochyrorchis arietina (Hook.f.) Szlach. 2004

References W3 Tropicos, Kew Monocot list , IPNI A Century of Indian Orchids Vol 5 Hooker 1895 drawing fide; The Orchids of Sikkim-Himalaya Part 1 King & Pantling 1898 drawing fide; The Orchids of North-Western Himalaya Vol IX Part II Duthie 1906; Flore Generale de Indo-Chine Volume 6 Gagnepain 1934; Encyclopedia of Cultivated Orchids Hawkes 1965; Beautiful Indian Orchids Ghose 1968; Contributions to a Revision of the Orchid Flora of Cambodia, Laos and Vietnam Seidenfaden 1975; Guide to Identification and Culture Pradhan 1976 as H pectinata var arientina drawing ok; Guide to Identification and Culture Pradhan 1976 as H pectinata var gigantea; Guide to Identification and Culture Pradhan 1976 as H pectinata var khasiensis; Dansk Botanisk Arkiv Orchid Genera in Thailand V Orchioideae Seidenfaden 1977; Orchids of North West Himalaya Deva & Naithani 1986 drawing fide; Orchids of Kumaun Himalayas Pangtey, Samant and Rawat 1991; Orchids of Nagaland Deorani & Naithani 1995; Beautiful Orchids of Nepal Rajbhandari & Bhattarai 2001 photo fide; Orchids of Bhutan Pearce & Cribb 2002; 100 Sikkim Himalayan Orchids Pradhan 2005 photo fide; Orchids of India A Glimpse Misra 2007; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; Terrestrial Orchids Swami 2016 photo fide; Handbook Orchids of Sikkim and Northeast India Pradhan 2016 photo fide;

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