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| Cylindrolobus chienii Vuong, Aver., V.C. Nguyen, & T.T.D. Pham, in Nguyen, Averyanov, Nguyen, Pham, Maisak et Truong, 2020. |
Abstract
The orchid species new for science, Cylindrolobus chienii (Orchidaceae) discovered on Chu Mu Mountain, M’Drak District, Dak Lak Province of southern Vietnam is described and illustrated. It morphologically close to C. gloensis and C. bidupensis but differs from them in glabrous 2-flowered inflorescence, calli on labellum and character of the lip indumentum.
Keyword: Cylindrolobus bidupensis, C. gloensis, Endemism, Eria, Plant taxonomy
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| Cylindrolobus chienii Vuong, Aver., V.C. Nguyen, & T.T.D. Pham. Morphological characters based on living fresh collected plants, prior to preparation of the herbarium type voucher specimen. A. Flowering plant in nature. B, C, E. Inflorescence, frontal and side views. D. Flowering stem. F. Flower, side view. G. Flattened floral bracts. H. Flattened sepals and petals. I. Column and column foot, side view; lip, view from above. J. Lip and column, side view. K. Lip, view from above. L. Hairs on median lobe. M. Column, frontal view, N. Callus on column foot apex. All photo by Nguyen Van Canh from plant prior preparation the type specimen BV 514, correction and design by L. Averyanov and T. Maisak. |
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| Cylindrolobus chienii Vuong, Aver., V.C. Nguyen, & T.T.D. Pham. Morphological characters based on alcohol fixed material. A. Leaf, adaxial surface. B. Flattened sepals and petals. C. Intact lip, side view. D. Intact lip half-side views. E. Intact lip, view from below. F. Flattened lip adaxial surface. G. Flattened lip, abaxial surface. H. Bilobed fleshy plate on distal part of the lip callus at the base of median lip lobe, view from above and frontal view. I. Bilobed fleshy plate on distal part of the lip callus, view frontal view. J. Indumentum on median lip lobe. K. Anther cap, frontal view and view from below. L. Pollinia. All photo by Truong Ba Vuong based on alcohol preserved material stored in VNM herbarium collected from specimens used for preparation of the voucher herbarium type specimen BV 514, correction and design by L. Averyanov and, T. Maisak. |
Cylindrolobus chienii Vuong, Aver., V.C. Nguyen & T.T.D. Pham, sp. nov.
Etymology. The species epithet refers to the name of the plant discoverer, Mr. Pham Van Chien. The Vietnamese name is Nỉ Lan Chiến (nov.).
Van Canh Nguyen, Leonid V. Averyanov, Van Khuong Nguyen, Thi Thanh Dat Pham, Tatiana V. Maisak, Ba Vuong Truong. 2020. Cylindrolobus chienii (Orchidaceae), A New Species from Central Highlands of Vietnam. Taiwania. 65(3); 272-276. DOI: 10.6165/tai.2020.65.272
