Cleisostoma arietinum (Rchb. f.) Garay 1972 SECTION Mitriformes Seiden 1975 TYPE for the section

Flowers

Plant

Flower Closeup Photos courtesy of Jay Pfahl

Common Name The Bent Cleisostoma - In Thailand Khao Phae

Flower Size 1/4" [6 mm]

Found in northeastern India, Myanmar, Thailand, Laos, Vietnam and Malaysia at elevations around 500 to 600 meters as a miniature sized, warm growing epiphyte with a short, monopodial stem carrying several, distichous, terete, basally articulated to the stem leaves and blooms on an axillary, sometimes branched inflorescence that is to 4" [to 10 cm] long and has several to many tiny flowers.

Synonyms Echioglossum arietinum (Rchb.f.) Szlach. 2003; Saccolabium kunstleri [King & Pantl.] Ridley 1907; Sarcanthus arietinus Rchb.f. 1869; Sarcanthus kunstleri King & Pantl. 1897; Sarcanthus recurvus Rolfe ex Downe 1925; Sarcanthus semisptatus King & Pantl. ?

References W3 Tropicos, Kew Monocot list , IPNI ; Atlas des Orchidees Cultivees Constantin 1920 as Sarcanthus recurvus drawing ok; The Orchids of Thailand Seidenfaden & Smitinand 1959 as Sarcanthus recurvus drawing fide; Orchid Genera in Thailand Cleisostoma Seidenfaden 1975; Indian Orchids A Guide to IDentification and Culture Vol 2 Pradhan 1979 drawing good; Die Orchideen lieferung 21 Schlechter/Brieger 1989 drawing/photo fide; The Orchids of Penninsular Malaysia and Singapore Wood & Seidenfaden 1992 drawing/photo ok; Thai Orchid Species Rakpaibulsombat 1992 photo ok; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2001 photo good; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo ok; The Orchids of India A Glimpse Misra 2007 drawing ok; Mille et Une Mini Orchideees Roguenant 2009 photo not = C williamsonii; Wild Orchids of Penninsular Malaysia Ong, O'Byrne, Yong & Saw 2011 photo fide; Malesian Orchid Journal Vol 9 2012; Taiwania 60(3):107-116, 2015 - New species of the genus Cleisostoma in the flora of Vietnam Averyanov, Tich and Canh; Genera Orchidacearum Vol 6 Epidendrodeae Pt 3 Pridgeon, Cribb, Chase and Rasmussen 2014;

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