Holcoglossum subulifolium (Rchb. f.) Christenson 1987

Photo by Martin Epicphals and his Flickr Orchid Photo Website

Common Name The Terete-Leafed Holcoglossum - In China Ao Chun Cao She Lan

Flower Size 1.2 to 1.6" [3 to 4 cm]

Found in Myanmar, Thailand, Vietnam and Hainan province of China in primary montane forests at elevations around 1000 to 2200 meters as a small to medium sized, cool to cold growing, monopodial epiphyte with a lateral to pendant stem carrying terete, pendant leaves that blooms in the spring with an arching to pendant, branching, 30" [75 cm] long inflorescence carrying numerous [10 to 15] thinly textured, crystalline white 1.2 to 1.6" [3 to 4 cm] blooms.

Similar to H auriculatum but H subulifolium has broadly ovate, entire margined petals instead of narrowly elliptic and denticulate margined petals

Synonyms Paraholcoglossum subulifolium (Rchb.f.) Z.J.Liu, S.C.Chen & L.J.Chen 2011; Vanda subulifolia Rchb. f. 1886; Vanda watsonii Rolfe 1905

References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of Thailand Seidenfaden & Smitinand 1963 as Vanda watsonii drawing fide; The Orchids of Thailand Seidenfaden & Smitinand 1965 corrections as V watsonii; Encyclopedia of Cultivated Orchids Hawkes 1965 as Vanda watsoni photo fide; Opera Botanica #95 Seidenfaden 1988 drawing/photo fide; Die Orchideen lieferung 19/20 Schlechter/Brieger 1988; Rudolf Schlechter Die Orchideen Band 1B lieferung 19/20 1129 - 1264 Brieger 1988 as Vanda watsoni; Identification of the Orchids [Orchidaceae Juss.] Vietnam Averyanov 1994; AOS Bulletin Vol 64 No 12 1995; The Wild Orchids of China Tsi, Chen & Mori 1997; Native Orchids of China in Colour Singchi, Zhanhuo and Yibo 1999 photo fide; A Field Guide to the Orchids of China Singchi, Zhongjian, Yibo, Xiaohua and Zhanhuo 2009 photo fide; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; Flora of China Vol 25 Illustrations Zhengyi, Raven & Deyuan 2010 drawing fide; The Atlas of Wild Orchids in Hainan Island, China Shenyan and Junmei 2010 photo fide; AOS Bulletin Vol 82 #3 2013 as Paraholcoglossum subulifolium photo fide; Turczaninowia 16(4):26-46 NEW AND RARE ORCHIDS (ORCHIDACEAE) IN THE FLORA OF CAMBODIA AND LAOS Averyanov 2013 photo fide; Turczaninowia 19 (3): 558 L. V. Averyanov, Khang Sinh Nguyen etal 2016 ; Atlas of Native Orchids of China Vol 2 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo fide;