Maxillaria grandiflora [H.B.K.] Lindl. 1832

Side View of Flower

Plant and Flower Photo by Jay Pfahl - Plant in situ Jardin Colomiba 2800 meters 1/2016

Another Flower in Peru Photo by Alexander Reynolds and The UC Davis Botany Team

Head On Flower Photo courtesy of Dale and Deni Borders

toLATEto EARLY

Common Name The Large-Flowered Maxillaria

Flower Size to 4" [to 10 cm]

This small to medium sized, cold to warm growing, epiphytic or rupicolus species on steep slopes in cloud forests is found from Colombia, Ecuador Peru, Bolivia, Brazil and Venezuela in higher elevation cloud forests from elevations of 800-3000 meters with ovoid, compressed, sulcate pseudobulbs enveloped basally by several, imbricate, leaf bearing sheaths carrying a single, apical, narrowly oblong-ligulate, conduplicate basally, thin-textured leaf that blooms in the late spring and early summer with a basal, 4 to 5" [10 to 12.5 cm] long, single flowered inflorescence arising on a mature, unifoliate pseudobulb and is almost completely enveloped by several, overlapping, compressed, loose, acute bracts from which arise a scented, long-lasting flower held amid the leaves.

Synonyms Broughtonia grandiflora [HBK]Sprengel 1826; Callista grandiflora (Kunth) Kuntze 1891; *Dendrobium grandiflorum H.B.K. 1816; Lycaste grandiflora [H.B.K.] Beer 1854; Maxillaria amesiana hort. 1891; Maxillaria grandiflora var alba Rolfe 1897; Maxillaria grandiflora var amesiana Horth. 1893; Maxillaria grandiflora var stenantha Rchb.f 1856; Maxillaria lehmannii Rchb.f 1886

References W3 Tropicos, Kew Monocot list , IPNI ; Bonplandia Rchb.f 1854; Bonplandia Rchb.f 1855; Bonplandia Rchb.f 1856 as M grandiflora var stenantha; Otia Botanica Hamburgensia Rchb.f 1878; Die Orchideen Schlechter 1915; Flora Brasilica Vol XII VII 115-147 Hoehne 1953 as M grandiflora var alba; Flora Brasilica Vol XII VII 115-147 Hoehne 1953 as M grandiflora var amesiana; Flora Brasilica Vol XII VII 115-147 Hoehne 1953 as M grandiflora var stenantha; AOS Bulletin Vol 28 No 7 1959 photo; Encyclopedia of Cultivated Orchids Hawkes 1965; Venezuelan Orchids Vol 5 Dunsterville & Garay 1966 not = M auguste-victoriae; Flora de Venezuela Foldats Volumen XV Part 4 1970 drawing hmm; Orquideologia Vol 12 No 3/4 1977/8 photo; Orchids of Venezuela An Illustrated Field Guide Vol 2 Dunsterville & Garay 1979 not = M auguste-victoriae; AOS Bulletin Vol 49 No 12 1980 photo; Icones Planetarum Tropicarum plate 454 Dodson 1982 drwaing ok; AOS Bulletin Vol 54 No 1 1985 photo; Native Colombian Orchids Vol 3 COS 1991 photo not; Die Orchideen lieferung 28 Schlechter/Brieger 1993; Die Orchideen lieferung 28 Schlechter/Brieger 1993 as M eburnea; AOS Bulletin Vol 67 No 8 1998 photo as M amesiana; Native Ecuadorian Orchids Vol 3 Dodson 2002 drawing ok/photo hmm; Flora of the Venezuelan Guayana Vol 7 Steyermark, Berry, Yatskievych and Holst 2003; Las Orquideas del Peru Bezverhov 2011 photo fide

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