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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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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, [tree] glabrous to hairy, rhizomed or not, burls generally 0. Stem: trailing to erect. Leaf: cauline, alternate. Inflorescence: raceme or flowers 1, bracted; bud scales present; bractlets generally 2. Flower: sepals 4–5, 2/3 to fully fused; corolla cylindric to urn- or cup-shaped, petals generally 4–5, ± 2/3 fused, generally white; stamens 8 or 10, filaments generally glabrous, anthers elongate, awned or not, dehiscing by pores on small tubes; ovary inferior, chambers 4–5, or appearing 10 by intrusion of ovary wall, placentas axile, stigma head-like. Fruit: berry. Seed: generally many.Key to Vaccinium
400+ species: temperate northern hemisphere, tropical mountains, Africa. (Latin: for Vaccinium myrtillus L.)
Unabridged references: [Vander Kloet 1988 The genus Vaccinium in North America]
Unabridged note: Vaccinium oxycoccos L. reported from California; records lacking.
Shrub, hairy, rhizome 0. Stem: erect, 5–30 dm, stout, generally not rooting; twigs not angled, ± gray. Leaf: evergreen, 2–5 cm, elliptic to lanceolate, leathery, serrate, abaxially with sparse, dark glandular hairs, veins not prominent. Inflorescence: umbel-like, axillary, dense; pedicel jointed to flower, bractlets 2. Flower: sepals 5, fused at base, lobes deltate; corolla < 8 mm, urn-shaped, lobes < tube, erect to spreading when anthers open; filaments ± hairy, anthers often short-awned. Fruit: 6–9 mm, black, glaucous or not.
2n=24. Edges, clearings in conifer forest; 3–800 m. North Coast, Klamath Ranges, Outer North Coast Ranges, Central Coast, San Francisco Bay Area, n Channel Islands (Santa Cruz, Santa Rosa islands), Western Transverse Ranges, Peninsular Ranges (uncommon); to British Columbia. Mar–May [Online Interchange]
Previous taxon: Vaccinium membranaceum
Next taxon: Vaccinium parvifolium
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Mar 8 2014
Citation for this treatment: [Author of taxon treatment] 2012. Vaccinium, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=47685, accessed on Mar 8 2014
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Charles Webber © 1998 California Academy of Sciences
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