Polystachya stenophylla Schltr.
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Authority
Mori, S. A., et al. 1997. Guide to the vascular plants of central French Guiana: Part 1. Pteridophytes, gymnosperms, and monocotyledons. Mem. New York Bot. Gard. 76: 1-422.
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Family
Orchidaceae
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Scientific Name
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Description
Species Description - Caespitose epiphytes with elongate ovoid pseudobulbs. Leaves 3 or 4 per pseudobulb, linear, acute, grass-like, to 19 X 0.4 cm. Inflorescences terminal, erect panicles, to 17 cm long, the branches secund, the peduncle compressed and concealed by compressed sheathing bracts. Flowers numerous, not resupinate, greenish-yellow; dorsal sepal ovate, acute-acuminate, 2.2 X 1.3 mm, the lateral sepals larger, oblique, 2.5 X 2 mm; petals oblanceolate, acute-acuminate, 1.9 X 0.4 mm; lip 3-lobed, fleshy, farinaceous, 2.3 mm long, the lateral lobes obliquely rhombic, suberect, the midlobe acute, rigidly reflexed at apex, the callus a basal ridge; column short, stout, with short foot concurrent with base of lip. Fl (Jul), fr (Aug, Sep).