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

PUERTO RICO

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List of Species

1.  Ovary superior;  fruit a dry capsule.
     2.  Leaves densely pubescent beneath;  pedicels 2-5 mm long .........  Lyonia truncata var. proctorii
     2.  Leaves glabrous to densely pubescent or moderately pubescent
          only along midrib;  pedicels 4-11 mm long.
          3.  Leaf margins conspicuously toothed apically, the lamina sparse to moderately
               pubescent on midrib .................................................................... Lyonia stahlii var. stahlii
          3.  Leaf margins entire or obscurely toothed apically, the lamina glabrous to densely
               pubescent beneath ................................................................................. Lyonia rubiginosa
1.  Ovary inferior; fruit a fleshy berry.
     4.  Inflorescences 10-30-flowered, racemose, apparently terminal;  corolla campanulate-
          urceloate, 5-10 mm long, green;  leaves 2-13 cm long, the margins flat ..  Vaccinium racemosum
     4.  Inflorescences with solitary or paired flowers, axillary;  corolla cylindric-campanulate,
          13-15 mm long, red or reddish;  leaves 0.8-3 cm long, the margins flat to strongly revolute.
          5.  Leaf blades ovate, ovate-elliptic, or rarely nearly orbicular, the margins obscurely
               crenate distally and nearly flat, the apices acute or obtuse ..................... Gonocalyx concolor
          5.  Leaf blades orbicular or broadly elliptic, the margins entire and strongly revolute, the
               apices rounded ........................................................................... Gonocalyx portoricensis

See also, Liogier, A. H. 1995. Ericaceae, in Descriptive Flora of Puerto Rico and Adjacent Islands 4: 104-111.

List of Species

 

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Gonocalyx concolor Nevling
Gonocalyx portoricensis (Urban) A.C.Sm.

Lyonia rubiginosa (Pers.) G.Don
Lyonia stahlii (Pers.) G.Don
Lyonia stahlii var. stahlii
Lyonia truncata Urban
Lyonia truncata var. proctorii Judd

Vaccinium racemosum (Vahl) Wilbur & Luteyn

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