Maxillaria aciantha Rchb.f. 1852 Photo courtesy of Eric Hunt

Another View Photo courtesy of Joseph Dougherty

Part ShadeHot to WarmMOSTLY Falland Winter

Common Name The Pointed Flower Maxillaria

Flower Size .8" [2 cm]

Found from Mexico, Belize, Guatemala, Nicaragua, Costa Rica and Panama at elevations around 50 to 1300 meters as a small to medium sized, hot to warm growing epiphyte that occurs in wet montane forests with clustered, cylindric-fusiform, laterally compressed, vertically ribbed pseudobulbs enveloped basally by 1 to 3, quickly deciduous, leaf bearing sheaths and carrying 2, apical, erect, oblong to oblong-lanceolate, attenuate, unequally bilobed apically leaves that blooms in the fall and winter on a lateral, .6" [1.5 cm] long, single flowered inflorescence with the pedicel and ovary enveloped by a 3 to 5 inflated floral bracts.

Synonyms Lycaste aciantha Rchb.f. 1855; Rhetinantha aciantha (Rchb. f.) M.A. Blanco 2007

References W3 Tropicos, Kew Monocot list , IPNI ; Lankester's Epidendra Website CR ; Bonplandia Rchb.f 1855 as Lycaste aciantha; *Bot. Zeit. Berlin 10: 858. 1852; Bonplandia 3(15): 216. 1855 as Lycaste aciantha; Repert. Sp. Nov. Regni. Veg. Beih. 17: 67. Panama Schlechter 1922; Repert. Sp. Nov. Regni. Veg. Beih. 19: 139. Costa Rica Schlechter 1923; Repert. Sp. Nov. Regni. Veg. Beih. 19: 229. Costa Rica Schlechter 1923; Icones Planetarum Tropicarum plate 840 Dodson 1983 drawing fide; Icones Planetarum Tropicarum plate 1333 Atwood 1989 drawing fide; Icones Orchidacearum Peruviarum plate 092 Bennett & Christenson 1993 drawing fide; AOS Bulletin Vol 63 No 4 1994; Fieldiana Biology, Flora Costa Ricensis Family # 39 Orchidaceae, subtribes Maxillariinae and Oncidiinae Atwood & Mora 1997; Lankesteriana 7(3): 534. 2007 as Rhetinantha aciantha; Orchid Species of Peru Zelenko Bermudez 2009 photo fide; Orchids of Costa Rica Vol 4 Morales 2009 as Rhetinantha aciantha photo fide; Maxillaria an Unfinished Monograph Vol 1 Christenson 2013 photo/drawing fide; Algunas Orquideas de Mexico Tomo 1 Suarez 2013 photo fide