Eulophia bicallosa (D.Don) P.F.Hunt & Summerh. 1966

Color Variation Photos by © Raju Das and The McAllen International Orchid Society Journal

Inflorescence Photos courtesy of Dr. E.F. de Vogel, André Schuiteman, and Jaap Vermeulen and Their Netherlands National Herbarium Website. and Flora Malesiana Vol III

Part Shade Hot Cool LATE Winter Spring

Common Name The 2 Calli Eulophia - In China Tai Wan Mei Guan Lan

Flower Size 1.2" [3 cm]

Found in Taiwan, Assam, Bangladesh, eastern Himalayas, Nepal, western Himalayas, Myanmar, Thailand, Malaysia, Java, Sumatra, the Philippines, Bismark Islands, New Guinea and Australia in riverine lowland grasslands at elevations around 40 to 2000 meters as a small to large sized, hot to cool growing terrestrial with a horizontal rhizome and fusiform-oblong pseudobulbs with a few internodes carrying a single, apical, linear to linear-lanceolate, acuminate, plicate leaf that blooms in the fall on an erect, elongated, 8 to 12 flowered, 10.8" to 34" [27 to 85] long, racemose inflorescence partly enveloped by tubular, acute bracts and with ovate-lanceolate, acuminate, 5-nerved floral bracts.

Synonyms *Bletia bicallosa D.Don 1825; Cyrtopera bicarinata Lindl. 1833; Cyrtopera candida Lindl. 1859; Cyrtopera papuana Kraenzl. 1898; Cyrtopodium parkinsonii F.Muell. & Kraenzl. 1894; Epipactis bicarinata Buch.-Ham. ex Wall. 1832; Eulophia bicallosa var. major (King & Pantl.) Pradhan 1979; Eulophia bicarinata (Lindl.) Hook.f. 1890; Eulophia bicarinata var. major King & Pantl. 1898; Eulophia brachycentra Hayata 1914; Eulophia candida (Lindl.) Hook.f. 1890; Eulophia fitzalanii F.Muell. 1872; Eulophia merrillii Ames 1915; Eulophia neopommeranica J.J.Sm. 1909; Eulophia papuana Schltr. 1905; Eulophia vanoverberghii Ames 1912; Eulophia venosa var. papuana (Schltr.) Schltr. 1912; Eulophia versteegii J.J.Sm. 1908; Graphorchis bicallosa (D.Don) Kuntze 1891; Graphorchis bicarinata (Lindl.) Kuntze 1891; Graphorchis candida (Lindl.) Kuntze 1891; Graphorchis fitzalanii (F.Muell.) Kuntze 1891; Limodorum bicallosum (D.Don) Buch.-Ham. ex D.Don 1825; Liparis bicallosa (D.Don) Schltr. 1919

References W3 Tropicos, Kew Monocot list , IPNI ; Orchids of Burma Grant 1895/1995 as Cyrtopera bicarinata; The Orchids of Sikkim-Himalaya Part 1 King & Pantling 1898 as E bicarinata drawing ok; The Orchids of North-Western Himalaya Vol IX Part II Duthie 1906 as E bicarinata; Flora of Malaya Vol 1 Holttum 1957 as E bicarinata; AOS Bulletin Vol 27 No 1 1958 drawing; AOS Bulletin Vol 27 No 3 1958 drawing; AOS Bulletin Vol 27 No 4 1958 drawing as E bicarinata; Encyclopedia of Cultivated Orchids Hawkes 1965 as E bicarinata; Indian Orchids Guide to Identification and Culture Pradhan 1979 drawing fide; AOS Bulletin Vol 53 No 4 1984 as Eulophia bicarinata; AOS Bulletin Vol 53 No 4 1984 as Eulophia candida; Orchidiana Philipiniana Vol 1 Valmayor 1984 as E merrillii; Orchidiana Philippinana Vol 1 Valmayor 1984 as E vanoverberghii; Orchids of Arunchal Pradesh Hegde 1984; Orchids of the North-West Himalaya Deva and Naithani 1986 drawing good; The Orchids of Java Comber 1990 photo fide; The Orchids of Penninsular Malaysia and Singapore Seidenfaden & Wood 1992 drawing ok; Orchids of Nagaland Deorani & Naithani 1995 drawing fide; Orchids of Sumatra Comber 2001; Orchids of Bhutan Pearce & Cribb 2002; Botanica's Orchids Laurel Glen 2002 photo fide; Flora Malesiana Orchids of the Philippines Vol I Agoo, Shuiteman and de Vogel 2003; Flora Malesiana Orchids of New Guinea Vol III Shuiteman and de Vogel 2005; Native Orchids of Australia Jones 2006 as E fitzlanii; Orchids of India A Glimpse Misra 2007; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009;