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Key to Species

THIBAUDIA Ruiz & Pavon ex J. St.-Hil., Expos. Fam. 1: 362.  1805;  Smith, Contr. U.S. Natl. Herb. 28: 410-439.  1932;  Luteyn, Fl. Ecuador 54: 290-317.  1996;  Luteyn, Fl. Venez. Guayana 4: 763-766, figs. 613-617.  Lectotype:  Thibaudia mellifera Ruiz & Pavon ex J. St.-Hil.
 

Eurygania Klotzsch, Linnaea 24: 15, 26.  1851.  Type:  Eurygania parvifolia (Bentham) Klotzsch [=Thibaudia parvifolia (Bentham) Hoerold].

Calopteryx A. C. Smith, J. Arnold Arbor. 27: 100.  1946.  Type:  Calopteryx insignis A. C. Smith.

   Epiphytic or terrestrial shrubs. Leaves alternate, evergreen;  petiolate;  blade coriaceous or subcoriaceous, the margins entire or crenulate, the venation pinnate or plinerved.  Inflorescence axillary or terminal, subfasciculate, racemose or paniculate with few to many flowers.  Flowers 5-merous, without odor;  aestivation valvate;  pedicels eciduously bibracteolate;  calyx articulated with the pedicel or rarely continuous;  hypanthium short-cylindric or campanulate, wingless or occasionally narrowly 5-angled;  limb erect to slightly spreading distally;  lobes triangular, subacute;  corolla carnose, subcylindric, occasionally 5-angulate, rarely weakly to strongly winged, the lobes triangular or oblong, subacute;  stamens 10, equal, often nearly as long as the corolla, lacking spurs;  filaments equal, distinct or connate;  anthers equal, basifixed, firm or membranaceous, lacking disintegration tissue;  thecae smooth or slightly granular;  tubules as long as the thecae or rarely twice as long, dehiscing by elongate introrse clefts;  pollen without viscin threads;  ovary inferior;  style filiform, as long as the corolla or slightly exserted.  Fruit a berry.

Key to Neotropical Species                                                                                               Back to Top

    A key is not currently available.

    This web version has been modified from Luteyn 1996b and unpublished notes, but a treatment is still lacking.

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