Peristylus gracilis Blume 1825
Side View Of Flower
Plant and Flowers in situ Cameron Highlands Malayasia
Photos by © David Kuehn
Flower with elongate, curled lateral lobes of the lip
Photo by © F. Suranjan and the The Swiss Orchid Foundation at the Jany Renz Herbaria website
Common Name The Graceful Peristylus
Flower Size 1/4" [8.5mm]
Found in Assam, Hong Kong, Taiwan, Thailand, Malaysia, Borneo, Java, Lesser Sunda Islands, the Moluccas, Sulawesi, Sumatra and New Guinea? in hill and lower montane forests, scrublands and roadside verges at elevations around 150 to 1700 meters as a medium to large sized, hot to cool growing terrestrial with an erect, basally sheathed stem carrying 5 to 10, lanceolate, acute, .8" [2cm] distant, starting 6" [15 cm] above ground leaves that blooms in the spring through summer on an erect, 8" [20 cm] long, to 10 flowered, racemose inflorescence with well spaced, small flowers and narrowly lanceolate, acute floral bracts.
This orchid has variable shapes to the lip. The lateral lobes of the lip can be short and straight or curled or long and curled around in a circle.
Synonyms Habenaria bambusetorum Kraenzl. 1897; Habenaria inconspicua Ridl. 1909; Habenaria zephyrica Ames 1915
References W3 Tropicos, Kew Monocot list , IPNI ; Bonplandia Rchb.f 1857; Die Orchideen Von Java J.J.Smith 1905; Die Orchideen Von Java Figuren Atlas J.J.Smith 1908 drawing fide; Studies in the Family Orchidaceae Vol V Ames 1915 as Habenaria zephyrica; Studies in the Family Orchidaceae Vol VI Ames 1920 as H bambusetorum; Flora of Malaya Vol 1 Holttum 1957 as Habenaria bambusetorum; The Orchids of Thailand Seidenfaden & Smitinand 1959 drawing good; Dansk Botanisk Arkiv Bind 31 #3 Orchid Genera in Thailand V Orchidoideae Seidenfaden 1977 drawing fide; The Orchids of Thailand Seidenfaden & Smitinand 1964 corrections; Orchidiana Philippiniana vol 1 Valmayor 1984 as Habenaria zephyrica; Orchids of Java Comber 1990 photo ok; The Orchids of Penninsular Malaysia and Singapore Seidenfaden & Woods 1992 drawing fide; The Plants of Mount Kinabalu Vol 2 Orchids Beaman, Wood, Beaman & Beaman 1993; A Checklist of the Orchids of Borneo Wood & Cribb 1994; Orchids of Sumatra Comber 2001 photo fide; Orchids of Sarawak Beeman & Wood 2001 photo fide; Lindleyana Vol 17 No 1 2002; Orchids of India A Glimpse Misra 2007; The Orchids of Mount Kinabalu Vol 2 Wood, Beaman, Lamb, Chu Lun and Beaman 2011 photo ok; Flora Of Thailand Orchidaceae Vol 12 Part 1 Pedersen, Kurzweil, Suddee & Cribb 2011 drawing/photo fide; The Wild Orchids of Hong Kong Barretto, Cribb and Gale 2011 drawing/photo fide; A to Z of South East Asian Orchid Species Vol 2 O'Byrne 2011 photo fide