Peristylus rigidus Kurzweil 2010 Drawing by Seidenfaden

Part shade Warm Cool Fall

Common Name The Rigid Peristylus

Flower Size .24 to .4" [6 to 10 mm]

Found in northern Thailand in evergreen forests at elevations of 850 to 1800 meters as a medium sized, warm to cool growing terrestrial with glabrous stems carrying 3 to 4, cauline, scattered in the lower half, lanceolate, subacute to acute leaves and 3 to 7, suberect, lanceolate-oblong, acuminate, sterile bracts that blooms in the fall on an erect, lax, rachis 19 to 36 cm] long, many flowered inflorescence with broadly lanceolate, acuminate floral bracts.


References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of Thailand Seidenfadden & Smitnand 1959; The Orchids of Thailand Seidenfaden & Smitinand 1964 as GT 3006 drawing fide; Flora of Thailand Vol 12 Part 1 Pedersen, Kurzweil, Suddee and Cribb 2011 drawing fide;