Thrixspermum acuminatissimum (Rchb. f.) Rchb.f. 1868 SECTION Thrixspermum


Plant and Flower

Photos by Peter O'Byrne

Common Name The Extremely Pointed Thrixspermum

Flower Size 2 1/2" [6 cm]

A mini-miniature sized, hot growing, monopodial epiphyte of the Thrixspermum section from Thailand, penninsular Malaysia, Cambodia, Borneo, Java, Sumatra to Vietnam and the Philippines in white sand, lowland forests at elevations of sealevel to 100 meters on tree trunks in moist areas near the sea with a very short, flattened stem carrying 3 to 5, lanceolate, acute, gradually narrowing below into the clasping base leaves that has an axillary, short to 8" [20 cm], terete, fractiflex inflorescence with a congested rachis carrying 2 ranked, flattened bracts and 1 to rarely 2 flowers that open simultaneously and last over a long period in the summer.

Synonyms Aerides acuminatissimum [Bl.] Lindl. 1833; Dendrocolla acuminatissima Blume 1825; Ridleya notabilis (Hook. f.) Pfitzer 1900; *Sarcochilus acuminatissimus Rchb. f.; Sarcochilus notabilis Hook. f. 1890; Thrixspermum acuminatissimum subsp. affine (Schltr.) P.O'Byrne & Gokusing 2016; Thrixspermum notabile (Hook. f.) Kuntze 1891

References W3 Tropicos, Kew Monocot list , IPNI ; Bonplandia Rchb.f 1857 as Dendrocolla acuminatissimum; Xenia Orchidaceae vol 2 Rchb.f 1865; Icones Plantarum Vol 22 Hooker 1893 as Sarcochilus notabilis drawing fide; Die Orchideen Von Java J.J.Sm. 1905; Die Orchideen Von Java Figuren Atlas J.J.Smith 1908 drawing hmmm; Flora of Malaya Vol 1 Holttum 1957; The Orchids of Thailand Seidenfaden & Smitinand 1963 drawing fide; The Orchids of Thailand Seidenfaden & Smitinand 1965 corrections photo ok; Encyclopedia of Cultivated Orchids Hawkes 1965; Orchidiana Philipiniana Vol 1 Valmayor 1984; Opera Botanica #95 Seidenfaden 1988 drawing/photo fide; Rudolf Schlechter Die Orchideen Band 1B lieferung 22 1329 - 1392 Brieger 1989 photo good; Orchids of Java Comber 1990 photo fide; The Orchids of Penninsular Malaysia and Singapore Wood & Seidenfaden 1992 drawing/photo ok; 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 ok; Orchids of Sarawak Beaman, Wood & Beaman etal 2001; Flora Malesiana Orchids of the Philippines Vol I Agoo, Shuiteman and de Vogel 2003; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo ok; Malesian Orchid Journal Vol 5 2010; The Orchids of Mount Kinabalu Vol 1 Wood, Beaman, Lamb, Chu Lun and Beaman 2011 photo ok; The Orchids of Mount Kinabalu Vol 2 Wood, Beaman, Lamb, Chu Lun and Beaman 2011 photo fide; Wild Orchids of Penninsular Malaysia Ong, O'Byrne, Yong & Saw 2011 photo fide; A to Z of South East Asian Orchid Species Vol 2 O'Byrne 2011 photo fide; Malesian Orchid Journal Vol 18 2016 photo fide;