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

to LATE to EARLY

Common Name Tonson's Maxillaria

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, stem 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, Cylindrical, light green, 1/2" to 5/8" [12 to 15 mm] long, inflorescence with lanceolate, cucullate, acuminate, scarious bracts and has a large, triangular, scarious floral bract and has fragrant [Jasmine to vanilla] 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

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