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



Flower Closeup

Photos by Jay Pfahl

Plant and Flowers

Photos by Seidenfaden

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 1965 as Sarcanthus recurvus drawing/photo fide; Botanisk Tidsserift 67: 76-127 Contributions to the Orchid Flora of Thailand IV Seidenfaden 1972 as Sarcanthus arietinus; Dansk Botansisk Arkiv Bind 29 N. R. 2 Orchid Genera in Thailand II Cleisostoma Seidenfaden 1975 drawing fide; Indian Orchids, A Guide to Identification and Culture Vol 2 Pradhan 1979 drawing good; AOS Bulletin Vol 51 #6 1982; Rudolf Schlechter Die Orchideen Band 1B lieferung 22 1329 - 1392 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; Identification of the Orchids [Orchidaceae Juss.] Vietnam Averyanov 1994; 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; Turczaninowia 19 (3): 558 L. V. Averyanov1 , Khang Sinh Nguyen etal 2016 ; 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;