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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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Annual to tree, glandular or not. Leaf: simple to palmately or pinnately compound, generally alternate; stipules free to fused (0), persistent to deciduous. Inflorescence: cyme, raceme, panicle, cluster, or flowers 1; bractlets on pedicel ("pedicel bractlets") generally 0–3(many), subtended by bract or generally not. Flower: generally bisexual, radial; hypanthium free or fused to ovary, saucer- to funnel-shaped, subtending bractlets ("hypanthium bractlets") 0–5, alternate sepals; sepals generally 5; petals generally 5, free; stamens (0,1)5–many, anther pollen sacs generally 2; pistils (0)1–many, simple or compound, ovary superior to inferior, styles 1–5. Fruit: 1–many per flower, achene (fleshy-coated or not), follicle, drupe, or pome with generally papery core, occasionally drupe-like with 1–5 stones. Seed: generally 1–5 (per fruit, not per flower).
110 genera, ± 3000 species: worldwide, especially temperate; many cultivated for ornamental, fruit, especially Cotoneaster, Fragaria, Malus, Prunus, Pyracantha, Rosa, Rubus. [Potter et al. 2007 Plant Syst Evol 266:5–43] Number of teeth is per leaf or leaflet, not per side of leaf or leaflet, except in Drymocallis. —Scientific Editors: Daniel Potter, Thomas J. Rosatti.
Unabridged references: [Robertson 1974 J Arnold Arbor 55:303–332, 344–401, 611–662]
Key to Rosaceae
1 sp. (Greek: different apple) [Phipps 1992 Canad J Bot 70:2138–2162]
Shrub, small tree, < 10 m, unarmed. Stem: trunk bark ± gray; twigs puberulent. Leaf: petioled, simple, evergreen; blade 5–10 cm, ± elliptic, leathery, finely toothed, veined to teeth. Inflorescence: panicle, domed, branches white-tomentose; pedicel bractlets several to many, scattered throughout, gland-tipped. Flower: hypanthium urn-shaped, smooth, bractlets 0; sepals short, triangular, over hypanthium in fruit; petals < 4 mm, white; stamens ± 10, filaments short; ovary inferior, 2–3-chambered, styles 2–3, free. Fruit: pome, 5–10 mm diam, elliptic, bright red (yellow), pulp mealy. Seed: 2–3, large, smooth, brown.
Chaparral, oak woodland, mixed-evergreen forest; < 1300 m. Northwestern California, Sierra Nevada Foothills, n&c High Sierra Nevada, Great Central Valley, Central Western California, Southwestern California; British Columbia, Mexico. Cult for foliage, flowers, fruit. (May)Jun–Aug [Online Interchange]
Previous taxon: Heteromeles
Next taxon: Holodiscus
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jul 28 2014
Citation for this treatment: [Author of taxon treatment] 2013. Heteromeles, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=28072, accessed on Jul 28 2014
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