Grammatophyllum martae Quisumb. ex Valmayor & D. Tiu 1984 Photo courtesy of David Banks, Dr. E.F. de Vogel and Jaap Vermeulen and Their Netherlands National Herbarium Website. and Flora Malesiana Vol III

Sterile Basal Flower Photo courtesy of Nik Fahmi and his Vortex Orchid Page.

Full Sun Hot Spring

Common Name Marta's Grammatophyllum [Marta Rivilla Philippines Orchid Society Member 1970's]

Flower Size 3" [7.5 cm]

Found in the Philippines at elevations of sealevel to 300 meters as a large sized, hot growing epiphyte with large, slightly flattened pseudobulbs carrying up to 4, oblanceolate, leathery, 24" [60 cm] long leaves that blooms in the spring on a basal, stout, many [80] flowered, 5' [1.5 m] long inflorescence.

References W3 Tropicos, Kew Monocot list , IPNI ; *Orchidiana Philipiniana Vol 1 Valmayor 1984; Orchids of the Philippines Cootes 2001 photo fide; Flora Malesiana Orchids of the Philippines Vol I Agoo, Shuiteman and de Vogel 2003; AOS Bulletin Vol 73 No 3 2004; A to Z of South East Asian Orchid Species Vol 2 O'Byrne 2011 as G scriptum photo fide; AOS Bulletin Vol 88 #2 2019 photo fide;