Maxillaria tonsoniae Soto Arenas 1992 sect. Siagonanthus [Poepp. & Endl.] Christenson 2013

TYPE Photo © by R Jimenez and The Herbario AMO Website

TYPE Drawing

TYPE Drawing by Soto Arenas and The Swiss Orchid Foundation at the Jany Renz Herbaria Website


Common Name Tonson's Maxillaria [Caroline Tonson-Rye English Orchid Enthusiast current]

Flower Size .12" [3 mm]

Found in southern Mexico and Guatemala in montane rainforests at elevations of 750 to 2000 meters as a small to large sized, warm to cool growing, shrubby, erect epiphyte with erect to arcuate, hanging stems enveloped by distichous, scarious, imbricating, apressed leaf-bearing sheaths and an ovoid to subglobose, smaller towards the apex of the stem pseudobulb carrying 1 to 2 apical, linear, acute, very fleshy, brittle, shiny leaves that blooms in the late fall and early winter on newly arising growths at the tops of pseudobulbs, 1 to 6, cylindrical, light green, 1/2" to 5/8" [12 to 15 mm] long, single flowered inflorescence with lanceolate, cucullate, acuminate, scarious bracts and has a large, triangular, scarious floral bract and has fragrant, jasmine to vanilla scented flowers.

Synonyms Laricorchis tonsoniae (Soto Arenas) Szlach. & Sitko 2012; Ornithidium tonsoniae (Soto Arenas) Senghas 2001

References W3 Tropicos, Kew Monocot list , IPNI ; *Orquídea (Méx.) 12(2): 244-250.Soto Arenas 1992 Drawing/photo fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 44-45 pg 2763 - 2898 Brieger 2001 as Ornithidium tonsonae; Icones Orchidacearum 5 - 6 Orchids of Mexico Part 2 - 3 Plate 620 Hagsater & Soto 2002 drawing; Algunas Orquideas de Mexico Tomo 1 Suarez 2013 photo fide; LANKESTERIANA 17(3) 2017 as Ornithidium tonsoniae photo fide; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018 as Ornithidium tonsoniae