Microchilus vesiculosus (Ormerod) E.C.Smidt & M.W.Chase 2021

TYPE Drawing of Aspidogyne vesiculosa by Paul Ormeroid and Harvard Pap. Bot. 9: 393 fig 1 Ormerod 2005

LATER

Common Name The Blistered Microchilus

Flower Size .16" [4 mm]

Found in Tachira state of Venezuela at elevations around 1700 meters as a small sized, tcool growing terrestrial with an erect, terete stem carrying 6 to 7, rich green above, paler beneath, obliquely oblong-lanceolate, acute, petiolate base leaves that blooms in the later summer on an erect, terminal, 4.68" [11.7 cm] long, peduncle 3.6" [8.5 cm] long, provided with 3, scattered sheathing bracts, rachis 1.28" [3.2 cm] long, densely many flowered inflorescence with lanceolate, acute, longer than the ovary floral bracts and carrying glabrous white flowers.

"This species externally resembles M globosus in habit and superficial floral structure. However, the flowers possess an entire, subacuminate rostellum, which is a feature found in some species of of the former genus Aspidogyne. Another interesting character of M vesiculosa is that the stigmatic area is bordered by a small ridge and that the whole stigmatic area is placed or nearly hidden in a ventral concavity. Generally the stigmatic area of South American Goodyerinae is exposed on a flattish to convex ventral columnar surface and is never bordered by a small ridge. Foldats (1969) listed the type of this species as M scrotiformis I have not seen the other four collections cited by him. M vesiculosa differs from M scrotiformis in having flowers with a globose (not obovoid) spur, an ovate-oblong (not oblong-elliptic) labellum hypochile, and an entire (not deeply bifid) rostellum. The plant illustrated as Erythrodes scrotiformis by Foldats (1969) is not that species nor is it M vesiculosa. The figure repre- sents, in my opinion, a taxon close to the Colombian M globosus." Ormerod 2005

Synonyms *Aspidogyne vesiculosa Ormerod 2005

References W3 Tropicos, Kew Monocot list , IPNI ;

Harvard Pap. Bot. 9: 392 Ormerod 2005 as Aspidogyne vesiculosa

Harvard Pap. Bot. 9: 393 fig 1 Ormerod 2005 as Aspidogyne vesiculosa drawing fide

* Bot. J. Linn. Soc. 197: 345 E.C.Smidt & M.W.Chase 2021

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