Ericaceae-Neotropical Blueberries
James L. Luteyn and Paola Pedraza-Peñalosa
The New York Botanical Garden

PELLEGRINIA

Home

 

Key to Species

 

     Pellegrinia is a genus consisting of five species, endemic to central Peru.  It is probably related to Siphonandra and is distinguished by filaments with a dorsal mass of short, retrorse hairs, a character unique in the Vaccinieae.
PELLEGRINIA Sleumer, Notizbl. Bot. Gart. Berlin-Dahlem 12: 287.  1935.  Ceratostema Juss. apud Don, Gen. syst. 3: 863.  1834; apud Dunal in DC., Prodr. 7: 553.  1839;  apud Hoerold, Bot. Jahrb. Syst. 42: 276.  1909;  apud A. C. Smith, Contr. U.S. Natl. Herb. 28: 335.  1932;  Smith, Bull. Torrey Bot. Cl. 63: 308-309.  1936.  Type:  Pellegrinia grandiflora (Ruiz & Pavón ex Don) Sleumer.

     Terrestrial or usually epiphytic shrubs, stems sometimes swollen at nodes; bud scales sometimes subulate.  Leaves alternate, evergreen, coriaceous, pinnately  or plinerved, margin entire or rarely shallowly crenate, short-petiolate.  Inflorescence axillary, solitary or fasciculate, with 1-3 pedicellate flowers;  floral bract  inconspicuous;  bracteoles 2.  Flowers 5-merous, without odor;  aestivation valvate;  calyx continuous with pedicel;  hypanthium obconical, terete or costate;  limb subcoriaceous, suberect or spreading;  lobes 5(-6);  corolla subcylindric, subinflated, carnose, 2-5 cm long, the lobes 5(-6), short;  stamen 10, equal, about equalling the corolla;  anthers lacking disintegration tissue;  filaments distinct, dorsally densely pilose with matted retrorse hairs, lacking spurs, shorter than anthers;  thecae smooth;  tubules elongate, thin, flexible, about half as wide as thecae, ca. 2-4 times longer than thecae, dehiscing by small flaring, terminal or oblique pores;  pollen without viscin threads;  ovary inferior;  style slightly exserted;  nectariferous disc annular.  Fruit a spherical, blue-black berry.

Key to Neotropical Species                                                                                               Back to Top

     A key and complete treatment is lacking, and thi synthesis comes from Luteyn's unpublished notes.

 

Back to Top