Pleurothallis index Luer 1980 SUBGENUS Pleurothallis SECTION Macrophyllae-Fasciculatae Lindl 1859
Photo by The Ecuagenera Website.
Photo by © Lourens Grobler
Photo by Patricia Harding.
TYPE Drawing TYPE Drawing by © Carl Luer
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Common Name The Pointer Pleurothallis [An allusion to the dorsal sepal]
Flower Size 1" [2.5 cm]
Found in Nariño and Choco dep[artments of Colombia and Esmeraldas province of Ecuador at elevations of 750 to 1950 meters as a small sized, warm to cool growing, caespitose epiphyte with slender, erect ramicauls enveloped by close tubular sheaths above the base and carrying a single, apical, thinly coriaceous, spreading, sessile, broadly ovate, subacute, shortly acuminate, basally deeply cordate leaf that blooms in the fall on a fascile, arising through a spathe at the base of the leaf, of successive single flowered, short inflorescence witha shorter than the epdicel floral bract.
Differs in the long-pedicillate, spindly flower arising through a semi-erect spathe at the base of the cordate leaf with narrowly elongated tepals, the dorsal sepal is acutely reflexed, the petals are outstretched and lightly incurved and the triangular lip is minutely pubescent.
Synonyms Acronia index [Luer] Luer 2005; Zosterophyllanthos index (Luer) Szlach. & Kulak 2006
References W3 Tropicos, Kew Monocot list , IPNI ;
Native Colombian Orchids Vol 6 COS 1998 photo fide;
Native Ecuadorian Orchids Vol 4 Dodson 2003 photo fide;
Icones Pleurothallidinarum Vol XXVII Systematics of Dryadella Systematics of Macrophyllae-Fasciculatae Luer 2005 as Acronia index
Icones Pleurothallidinarum Vol XXVII Systematics of Dryadella Systematics of Macrophyllae-Fasciculatae Luer 2005 as Acronia index drawing fide
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