Pleurothallis alveolata Luer 1976 SUBGENUS Pleurothallis SECTION Pleurothallis SUBSECTION Antenniferae Luer 1998

Photo by Eric Hunt

Inflorescence

Photo by Patricia Harding

TYPE Drawing

TYPE Drawing by Carl Luer

Common Name or Meaning The Small Cavity Pleurothallis [refers to the lip resembling a bloody socket after a tooth extraction]

Flower Size .12" [3 mm]

Found in Pastaza, Tungurahua, Napo, Morona-Santiago, and Zamora-Chinchipe provinces of Ecuador at elevations of 600 to 1800 meters as a small sized, warm to cool growing, caespitose epiphyte with slender, erect, ramicauls enveloped basally by a single, tubular sheaths and another on the lower third and carrying a single, apical, erect, coriaceous, elliptical-ovate, acute, slightly acuminate, rounded or broadly cuneate into the sessile base leaf that blooms in the spring on 1 to 2, erect, strict, arising from a slender spathe at the leaf base, subcongested, disitichous, simultaneously several to many flowered, 2.8" to 6.4" [7 to 16 cm] long, racemose inflorescence with oblique, shorter than the ovary floral bracts.

Characterized by the slender ramicaul enveloped in the lower third by a loose sheath, an elliptical-ovate leaf which is as long or longer than the 1 to 2 inflorescence carrying greenish, non resupinate flowers. The uppermost synsepal is deeply cucullate, the lip is short and thick and is acutely reflexed below the middle and has a deep cavity above the middle.

References W3 Tropicos, Kew Monocot list , IPNI ;

* Selbyana 3: 48 Luer 1976 drawing fide;

Icones Pleurothallidinarum Vol III Systematics of Pleurothallis Luer 1986;

Icones Pleurothallidinarum Vol XVIII Systematics of Pleurothallis subsection Antenniferae, Longiracemosae, Macrophyllae-racemosae and Subgenera Pseudsostelis and Acuminata Luer 1999

Icones Pleurothallidinarum Vol XVIII Systematics of Pleurothallis subsection Antenniferae, Longiracemosae, Macrophyllae-racemosae and Subgenera Pseudsostelis and Acuminata Luer 1999 drawing fide;

Native Ecuadorian Orchids Vol 4 Dodson 2003 photo fide;

Orchid Species of Peru Zelenko & Bermudez 2009 photo fide

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