Oncidium parvula [Archila, Szlach. & Chiron] in ed. SECTION Oblongata

Photo by Fredy Archila and The Researchgate Website

Part shade Hot

Common Name The Small Oncidium [refers to the small plant]

Flower Size .64" [1.6 cm]

Found in Guatemala at elevations around 400 meters as a smallsized, hot growing,myrmecophilous epiphyte with a short rhizome giving rise to orbicular, strongly laterally compressed, rough, red spotted pseudobulbs enveloped basally by brown, papery sheaths and carrying a single, apical, green, fleshy, obliquely elliptical, obliquely rounded apically leaf that blooms on a basal, racemose, peduncle cylindrical, 10" [25 cm] long, successivley single, alternate, several flowered inflorescence with small, scale like floral bracts and carrying non-resupinate flowers.

"This species can be separated from Chelyorchis ampliata by some morphological features: the petals are more or less spatulate, without a marked tab, whereas in C. ampliata they are clearly unguiculate with a sub-orbicular blade; the lateral lobes of the hypochilus are broadly triangular (versus obliquely lanceolate oval); the kidney-shaped epichile is almost as wide as the hypochilium when it is 2 times larger than the hypochilus in C. ampliata; the wings of the column have entire margins (versus clearly denticulate)." Archila, Szlachetko & Chiron 2016

Synonyms Chelyorchis parvula Archila, Szlachetko & Chiron 2016

References W3 Tropicos, Kew Monocot list , IPNI ; *Richardiana Vol XVI 220 Archila, Szlach. & Chiron 2016 drawing/photo fide; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018

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