Difference between revisions of "Voyria"
Hist. Pl. Guiane 1: 208, plate 83. 1775.
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Latest revision as of 13:16, 24 November 2024
Herbs perennial, achlorophyllous, glabrous [variously puberulent]. Leaves cauline, opposite [proximal alternate], scalelike. Inflorescences small dichasial cymes [flowers solitary]. Flowers [4]5-merous; calyx small, tube campanulate [to cylinidric]; corolla white or pink [orange, yellow, pale violet-blue], salverform [funnelform], glabrous [tube pubescent on adaxial or both surfaces], lobes shorter than tube, imbricate in bud, entire, plicae between lobes absent, spurs absent; stamens inserted in distal 1/2 of corolla tube; anthers subsessile, distinct [connate], remaining straight; ovary stipitate [sessile]; style persistent [deciduous], erect, short [long], remaining straight; stigma 2-lobed [unlobed]; nectaries absent [2, on proximal part of ovary]. Capsules ellipsoid.
Distribution
Florida, Mexico, West Indies, Central America, South America, Africa, warm-temperate to tropical areas.
Discussion
Species ca. 20 (1 in the flora).
Plants of Voyria are mycotrophic. The root anatomy and mycorrhizae of several species have been investigated by S. Imhof (1997, 1999, and references cited therein). The one species in the flora area is in subg. Leiphaimos (Schlechtendal & Chamisso) V. A. Albert & Struwe.
Selected References
None.