Pteroceras compressum (Blume) Holttum 1960
Photos © by Jaap Vermeulen, courtesy of Dr. E.F. de Vogel and André Schuiteman and Their Netherlands National Herbarium Website
Common Name or Meaning The Flattened Pteroceras [refers tothe rachis]
Flower Size .65" [1.6 cm]
Found in Yunnan province of China, Thailand, Java, Malaysia and Sumatra at elevations of sealevel to 1500 meters as a small sized, hot to cool growing epiphtye with erect becoming pendant with age, rooting freely in the basal half, leafy stem carrying 6 to 8, narrowly oblong, unevenly bilobed apically, basally narrowing leaves that blooms in the fall on several, semi-pendulous, peduncle short, rachis gradually lengthening with time, flattened, two-edged, to 10" [to 25 cm] long overall, flattened, successively 1 to 2, several flowered inflorescence with semi-circular, very short floral bracts and carrying short-lived, flowers arising on the 2 edges.
Synonyms Aerides compressa (Blume) Lindl. 1833; *Dendrocolla compressa Blume 1825; Pteroceras sumatranum (Schltr.) Seidenf. 1988; Sarcochilus compressus (Blume) Rchb.f. 1863; Sarcochilus sumatranus Schltr. 1911; Thrixspermum compressum (Blume) Rchb.f. 1868
References W3 Tropicos, Kew Monocot list , IPNI ; Bonplandia Rchb.f 1857 as Dendroclla compressum; Xenia Orchidaceae vol 2 Rchb.f 1865 as Thrixspermum compressum; Die Orchideen Von Java J.J.Sm. 1905 as Sarcochilus compressus; Die Orchideen Von Java Figuren Atlas J.J.Smith 1908 as Sarcochilus compressus drawing fide; Opera Botanica #95 Seidenfaden 1988 as P sumatrana Drawing hmm/photo good; Orchids of Java Comber 1990 photo fide; The Orchids of Penninsular Malaysia and Singapore Wood & Seidenfaden 1992; Orchids of Sumatra Comber 2001 photo fide; The Wild Orchids of the Cameron Highlands REACH 2009 photo fide; The Wild Orchids in Yunnan Xu Xiang Ye & Liu 2010 photos fide; Orchids of Penninsular Malaysia Ong, O'Byrne, Yong & Saw 2011 photo fide; Atlas of Native Orchids of China Vol 2 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo fide;
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