Microchilus arevaloi Szlach. & Kolan. 2017

TYPE Drawing by A Krol and and Materials to the Orchid Flora of Colombia Vol 1: 286 Szlachetko & Kolanowska 2017

LATE EARLY

Common Name Arevalo's Microchilus [Colombian Co collector of the type species current]

Flower Size .06" [1.5 mm]

Found in Antioquia department of Colombia along roadsides at elevations around 1000 to 1280 meters as a medium sized, cool growing terrestrial with a terete rhizome giving rise to an erect, terete stem carrying 4, obliquely ovate-elliptic, subacuminate, petiolate base leaves that blooms in the summer on an erect, terminal, pubescent, 14.2" [36 cm] long overall, peduncle 8.4" [21 cm] long, provided with a few scattered, acute sheathing bracts, rachis 6" [15 cm] long, many flowered inflorescence with ovate-lanceolate, acute, glandular, as long as the ovary floral bracts and carrying externally sparsely glandular flowers.

"Similar to both M trianae and M hughjonesii with the lip form but the sepals of M arevaloi are coarsely glandular and in the other 2 species they are pubescent. M hughjonesii differs as well in the broadly elliptic hypochile of the lip while M arevaloi and M trianae it is more or less pandurate, but only M arevaloi has triangular elliptic lobes near the middle. The most unique asset of M arevaloi is the keel that runs along the midvein of the epichile.

Synonyms

References W3 Tropicos, Kew Monocot list , IPNI ;

*Materials to the Orchid Flora of Colombia Vol 1: 286 Szlachetko & Kolanowska 2017 drawing fide

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