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Perennial herb, shrub, tree. Stem: bark often peeling distinctively. Leaf: simple or 0, generally cauline, alternate, opposite (whorled), evergreen or deciduous, often leathery, petioled or not; stipules 0. Inflorescence: raceme, panicle, cyme, or flowers 1, terminal or axillary, generally bracted; pedicel often with 2 bractlets. Flower: generally bisexual, generally radial, bell-shaped, cylindric, or urn-shaped; sepals generally (0)4–5, generally free; petals generally (0)4–5, free or fused; stamens 8–10, free, filaments rarely appendaged, anthers awned or not, dehiscing by pores or slits; nectary generally present at ovary base, generally disk-like; ovary superior or inferior, chambers generally 1–5, placentas axile or parietal, ovules 1–many per chamber, style 1, stigma head- to funnel-like or lobed. Fruit: capsule, drupe, berry. Seed: generally many, winged or not.
± 100 genera, 3000 species: generally worldwide except deserts; some cultivated, especially Arbutus, Arctostaphylos, Rhododendron, Vaccinium. [Kron et al. 2002 Bot Rev 68:335–423] Monophyletic only if Empetraceae included, as treated here. Ledum included in Rhododendron. Non-green plants obtain nutrition from green plants through fungal intermediates. —Scientific Editors: Gary D. Wallace, Thomas J. Rosatti.
Key to Ericaceae
Shrub, small tree, generally hairy to glandular, densely, rigidly branched, burled. Stem: bark often shredding. Leaf: alternate, evergreen, leathery, entire or serrate. Inflorescence: raceme or panicle, bracted; bractlets 2. Flower: calyx lobes (4)5, > tube; corolla urn-shaped, petals (4)5, fused; stamens (8)10, anthers dehiscing by short separate slits, awned; ovary superior, chambers 4–6, placentas pendent, axile. Fruit: drupe, juicy, papillate, red or black; stones 4–6, fused. Seed: 1 per stone.
10 species: subtropics, tropical America. (Greek: arbutus grape cluster, from strawberry-tree-like fruits)
Stem: erect, < 5 m; bark shredding; twigs gray-tomentose. Leaf: obovate, entire or serrate. Inflorescence: raceme, generally gray-tomentose; bracts < 10 mm, lance-linear to oblong-ovate. Flower: calyx lobes lanceolate or narrowly triangular. Fruit: red. [Online Interchange]Key to Comarostaphylis diversifolia
Previous taxon: Comarostaphylis
Next taxon: Comarostaphylis diversifolia subsp. diversifolia
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Apr 17 2014
Citation for this treatment: [Author of taxon treatment] 2012. Comarostaphylis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=20068, accessed on Apr 17 2014
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