Phreatia semiorbicularis J.J.Sm. 1910 SECTION Caulophreatia


Plant and Flowers

Side View of Flowers

Photos by © Dr. E.F. de Vogel, and André Schuiteman and Their Netherlands National Herbarium Website

Full shade Cool Summer Winter

Common Name The Semicircular Phreatia

Flower Size .1" [.27 cm]

Found in the Moluccas and New Guinea in montane forests at elevations of 1600 to 2400 meters as a small to medium sized, cool growing epiphyte with an elongate stem carrying many, sublinear, somewhat obliquely obtuse, thickly apiculate, keeled towards the apex, basally clasping leaves that blooms in the summer and winter on an axillary, elongate, secund, laxly many flowered, strongly flattened, 6" [15 cm] long, glabrous inflorescence with a few tubular, flattened, acute, keeled bracts and oblong-triangular, acuminate, acute, concave floral bracts.

CAUTION I have no way of verifying this determination so please use with caution

Synonyms Octarrhena semiorbicularis (J.J.Sm.) P.F.Hunt 1970; Phreatia semiorbicularis var. angiensis J.J.Sm. 1916; Phreatia semiorbicularis var. seramica J.J.Sm. 1928

References W3 Tropicos, Kew Monocot list , IPNI ; Orchidaceae of German New Guinea Schlechter 1913/85; Flora Malesia Orchids of New Guinea Vol V Shuiteman and de Vogel 2008; The Orchids of Mount Kinabalu Vol 2 Wood, Beaman, Lamb, Chu Lun and Beaman 2011