Phalaenopsis bastianii O.Gruss & L.Röllke 1991 SUBGENUS Phalaenopsis SECTION Polychilos

Photo by © Lourens Grobler


Common Name Bastian's Phalaenosis [Son of Co-Author of Species current]

Flower Size 1 3/8" to 1 3/4" [3.5 to 4 cm]

Found in The Philippines in the Sulu Archipelago at elevations of sea level to 610 meters as a small to medium sized, hot to warm growing epiphyte with a short stem carrying 2 to 10, obovate-elliptic, cuneate, rounded and notched apically leaves and blooms in the spring through fall on an erect to arching, 6 to 20" [15 to 50 cm] long, branched inflorescence with each branch carrying from 2 to 7, flat, glossy flowers and is very similar to P mariae but differs in the erect inflorescence and very flat floral features of the flower of P bastianii.

"The species is very similar to P mariae but P bastianii has an erect inflorescence with fewer blooms, with flat floral segments, spare trichomes on the mid-lobe of the lip and a low and smoothed keel. The leaves and flower stems are bright green to greenish yellow.

Synonyms Phalaenopsis deltonii Hort. ex Gruss & Rolke 1991; Phalaenopsis bastianii forma flava Gruss & Rolke 1991

References W3 Tropicos, Kew Monocot list , IPNI ; AOS Bulletin Vol 67 No 5 1998 photo; Phalaenopsis, A Monograph EA Christenson 2001 photo fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 42 - 43 pg 2626 - 2762 Brieger 2001; Orchid Digest Vol 66 #4 2002 photo fide; Flora Malesiana Orchids of the Philippines Vol I Agoo, Shuiteman and de Vogel 2003; AOS Bulletin Vol 74 No 10 2005 photo fide; AOS Bulletin Vol 77 No 8 2008 photo fide; Philippine Native Orchid Species Cootes 2011 photo fide; Orchid Digest Vol 77 #4 2013 photo fide; AOS Bulletin Vol 86 #4 2017 photo fide; AOS Bulletin Vol #9 2019 photo fide; Orchid Digest Vol 83 #4 2019 Photo fide