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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.
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