Pleurothallis kerrii Braga 1981 SUBGENUS Madisonia

Photos by Gustavo Romero and Phytotaxa 505: 81 Toscano & E C Schmidt 2021

Drawing

Drawing by Carl Luer and The Swiss Orchid Foundation at the Jany Renz Herbaria Website

Common Name Kerr's Pleurothallis [Brazilian Former director of IPNA 1900's]

Flower Size .2" [5 mm]

Found in Venezuela, Peru and Brazil in lowland forests at elevations around 100 meters as a mini-miniature sized, hot growing, long-repent epiphyte with ramicauls enveloped 1 ribbed, tubular, ciliate sheath and carrying a single, apical, prone, thickly coriaceous, broadly elliptical to suborbicular, obtuse, contracted below into the sessile base leaf that blooms in the winter and spring on a loose, erect, arising from the apex of the ramicaul at the base of the leaf. filiform, .2" [5 mm] long including the 1 to 1.6" [2.5 to 4 cm] long peduncle, successively few flowered inflorescence with shorter than the pedicel floral bracts.

"The rhizome is long-repent with ciliate sheaths and prostrate, sessile, suborbicular leaves. The .04" [1 mm] long, ramicaul is enveloped by a single, ciliate sheath. An elongated, peduncle bears a successively few flowered raceme. The lateral sepals form a deep, acute mentum with the column foot. The lip is trilobed with the base decurved into the mentum where it is continuous with the foot without being hinged." Luer 2006

Synonyms Madisonia kerrii (Braga) Luer 2004

References W3 Tropicos, Kew Monocot list , IPNI ;

*Bradea 3: 172 Braga 1981;

Icones Pleurothallidinarum Vol XXVI Pleurothallis subgenus Acianthera and Three Allied subgenera, A Second Century of new Species of Stelis of Ecuador, Epibator, Ophidion and Zootrophion Luer 2004 as Madisonia kerrii;

Icones Pleurothallidinarum Vol XXVI A Reconsideration of Masdevallia Systematics of Specklinia Luer 2006 as Madisonia kerrii

Icones Pleurothallidinarum Vol XXVI A Reconsideration of Masdevallia Systematics of Specklinia Luer 2006 as Madisonia kerrii drawing fide;

Phytotaxa 505: 81 Toscano & E C Schmidt 2021 as Madisonia kerrii

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