Ericaceae subfam. Ericoideae

Link

Handbuch 1 602. 1829.

Synonyms: Undefined tribe Empetraceae Hooker & Lindley
Treatment appears in FNA Volume 8. Treatment on page 449. Mentioned on page 370, 373.

Subshrubs, shrubs, or trees, multicellular hairs present; bark smooth or furrowed, not flaky (peeling or shredding in Menziesia). Stems erect to decumbent, sprawling, creeping, trailing, prostrate, or procumbent. Leaves deciduous or persistent, usually alternate, sometimes opposite, whorled, or spirally arranged; petiole usually present; blade plane or acicular, abaxial groove present or absent. Inflorescences axillary or terminal, fascicles, racemes, panicles, capitula, cymes, umbels, corymbs, spikes, or solitary flowers; perulae present or absent; bracts much shorter than sepals (sometimes absent). Flowers bisexual or unisexual, erect or pendulous, usually radially or bilaterally symmetric; sepals (2-) 4-5 (-7); petals absent or (2-) 4-5 (-7), connate or distinct, corolla deciduous or persistent, campanulate, salverform, rotate, saucer-shaped, funnelform, cylindric, or urceolate, (with pockets holding anthers until they open in some Kalmia), lobes shorter than tube; intrastaminal nectary disc present; stamens (2-) 5-10; anthers dehiscent by lateral pores or slits; ovary (2-) 5-10-locular; placentation axile (parietal distally in Epigaea); style straight or declinate (curved in Elliottia). Fruits capsular, dehiscence usually septicidal, sometimes loculicidal or septifragal, or drupaceous, (dry to fleshy), indehiscent. Seeds 2-300, distinct, obovoid, ovoid, or ellipsoid to oblong, linear, fusiform, or planoconvex, winged or not.

Distribution

North America, Mexico, West Indies (Cuba), Central America, s South America, Europe, Asia, Africa, Atlantic Islands, Australia, especially diverse in western Europe and southern Africa

Discussion

Genera 18, species ca. 1850 (14 genera, 58 species in the flora).

Selected References

None.

Gordon C. Tucker +  and Gary D. Wallace +
furrowed +  and smooth +
not flaky +
acicular;plane +
coriaceous +
persistent +  and deciduous +
rotate to crateriform campanulate cylindric globose or urceolate +
North America +, Mexico +, West Indies (Cuba) +, Central America +, s South America +, Europe +, Asia +, Africa +, Atlantic Islands +, Australia +  and especially diverse in western Europe and southern Africa +
undifferentiated +
fusiform +
pendulous +  and erect +
unisexual +  and bisexual +
drupaceous +  and capsular +
indehiscent +, septifragal +, loculicidal +  and septicidal +
multicellular +
terminal +  and axillary +
arranged +, whorled +, opposite +  and alternate +
persistent +  and deciduous +
revolute;plane;toothed;entire;revolute;plane;toothed;entire +
parietal +, axile +  and placentation +
tenuinucellate +  and unitegmic +
distinct +  and connate +
4 +  and 5 +
reduced +
not sticky +
4-5-carpellate +
not +  and winged +
distinct +
ellipsoid +  and oblong linear fusiform or planoconvex +
connate +  and distinct +
4 +  and 5 +
procumbent +  and prostrate +
creeping +  and sprawling +
trailing +  and erect to decumbent +
peltate +  and capitate +
straight +
Undefined tribe Empetraceae +
Ericaceae subfam. Ericoideae +
Ericaceae +
subfamily +
achlorophyllous +  and chlorophyllous +
evergreen +, deciduous +  and perennial +
tree +, shrub +  and subshrub +
heterotrophic +, autotrophic +  and mycotrophic +