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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 (2–5)8–10, free, filaments rarely appendaged, anthers dehiscing by pores or slits, awns 0 or 2(4), seemingly abaxial, reduced or elongate, generally curved; 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, glabrous to hairy, rhizomed. Stem: prostrate and erect, < 1.5 dm, slender, rooting; twigs not angled, ± brown. Leaf: evergreen, generally 7–17 mm, narrowly elliptic to oblong, leathery, ± entire, abaxially glaucous. Inflorescence: flowers 1 in axils of reduced lowest leaves of youngest shoots; pedicel recurved, jointed to flower, bractlets 2, leaf-like. Flower: sepals 4, fused; petals 4, fused at base, lobes >> tube, reflexed when anthers open; filaments ± hairy, anthers awns 0. Fruit: 9–14 mm diam, red.
2n=24. Boggy soil at abandoned placer mine; ± 900 m. n High Sierra Nevada (near North Columbia, n Nevada Co.); native to eastern North America. Jun–Jul [Online Interchange]
Previous taxon: Vaccinium deliciosum
Next taxon: Vaccinium membranaceum
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jul 31 2014
Citation for this treatment: [Author of taxon treatment] 2013. Vaccinium, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=47670, accessed on Jul 31 2014
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