How to Cite

Luer, C. A. (1976). ICONES PLEUROTHALLIDINARUM (ORCHIDACEAE) PLEUROTHALLIS OF ECUADOR IV. Selbyana, 1(4), 410–425. Retrieved from https://ojs.test.flvc.org/selbyana/article/view/120022


Plant epiphytic to terrestrial, caespitose, medium to large; roots numerous, flexuous. Secondary stems slender, terete, 25-35 cm long, with a close fitting sheath below the middle and 2-3 others at the base, unifoliate. Leaf coriaceous, ovate, apex acute to acuminate, tridenticulate, base deeply cordate, sessile, 10-16 X 3-4 cm. Inflorescence fasciculate, flowers large, yellow to brown or orange, single produced 1-3 at a time from a spathe 10-15 mm long at the base of the leaf; floral bract about 8 mm long; pedicel 8-9 mm long; ovary 6 mm long; dorsal sepal broadly ovate, subacute, 17-22 X 9-12 mm, 7-veined; lateral sepals united into an ovate synsepal, subacute, 15-20 X 10 mm, 6-veined; petals linear-oblong, subacute, 10 X 2 mm, I-veined,
the margins smooth to minutely ciliate; lip elliptical-oblong, obtuse, margins minutely denticulate, base shortly reflexed and concave at the attachment to the column-foot, disc smooth, 7 X 4-5 mm; column short, 2 X 2 mm.


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