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Triphora yucatanensis
Family:
Orchidaceae
[
Triphora ricketii
Luer]
Images
not available
FNA
Resources
Max E. Medley in Flora of North America (vol. 26)
Plants 5-20 cm. Roots from ovoid-cylindric tuberoids, 30-50 × 6-10 mm. Stems green, sometimes suffused with purple, unbranched. Leaves 3-6, diverging at ± right angles from stem; blade dark green on both surfaces, not bractlike, broadly ovate to cordate, 1-2 × 1-2 cm, margins undulate. Inflorescences 1-4(-8)-flowered racemes. Flowers not resupinate, erect, closed to somewhat gaping, yellowish green abaxially, white or pale green adaxially, flowering apparently successive, anthesis overlapping; dorsal sepal oblanceolate, 8 × 1.5 mm; lateral sepals linear-lanceolate, falcate, 8 × 1.5 mm; petals linear-lanceolate, falcate, 7 × 1.5 mm; lip facing stem, white, linear-ovate to ovate, 5-6 × 2.5-3 mm, middle lobe nearly rectangular, lateral lobes broadly triangular, margins sinuate to nearly lacerate; disc with 3 yellow, raised, denticulate crests; column yellowish white, clavate, slender, 5 mm; pollinia yellow. Capsules erect, ellipsoid, 15 × 8 mm.
Flowering summer. Upland hardwood hammocks, in rich humus and rotting wood; 0--20 m; Fla.; Mexico.
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This project made possible by
National Science Foundation Award EF 1702516
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