Keywords
PLEUROTHALLIS
ECUADOR
How to Cite
Abstract
Pleurothallis caudatipetala C. Schweinf., Bot. Mus. Leafl. 10: 175, t. 22. 1942.
Plant very small, epiphytic, caespitose; roots slender, flexuous. Secondary stem abbreviated, 1-3 mm long, with 1-2 short, ribbed sheaths, unifoliate. Leaf coriaceous, obovate-spatulate, obtuse to subacute, tridenticulate, marginate, base narrowly cuneate into a channeled petiole, 6-12 (including the petiole, 3-4 mm) X 3-5 mm. Inflorescence a very slender fractiflex raceme to 5 cm long, flowering singly and successively, up to 9 wine-red flowers; peduncle filiform, from a node on the secondary stem; floral bract and pedicel each about 1 mm long; ovary 0.75 mm long; dorsal sepal rosy red-brown, narrowly elliptical or oblong, acute, 4 X 1.5 mm, 3-veined; lateral sepals united into an elliptical lamina, apex bidentate, acute, base gibbous, 3.5 X 2 mm, with 2 prominent veins externally, very sparsely pubescent; petals ovate-obovate, oblique, white, apex acuminate, red-brown, 2.5 X 1 mm; lip maroon, oblong-pandurate, 1.75 X 0.75 mm, margins minutely ciliate, apex rounded, convex, slightly retuse, margins revolute, margins erect below the middle, base biauriculate and minutely unguiculate, base of the disc with a pair of thickened incurved teeth extending into a pair of central lamellae with a cleft between; column green suffused with purple, terete, clinandrium denticulate, 1.5 mm long, with a short foot.
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