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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: very leafy)
Shrub 1–3 m, much-branched. Leaf: simple, ± clustered on short-shoots, deciduous, 1–4 cm; stipules early-deciduous; petiole ± 0; blade ± oblanceolate, mucronate, strigose, entire to minute-gland-toothed. Inflorescence: flowers 1–3, pedicelled, on short-shoots; pedicel bracts 0. Flower: hypanthium ± funnel-shaped, bractlets 0; sepals spreading to reflexed, 3–5 mm, hairy at least adaxially, persistent; petals spreading, 6–8 mm, ± obovate, white to rose; stamens ± 15–20, free; ovary 1, inferior, 4(6)-chambered, styles 2(3). Fruit: pome, 8–10 mm, spheric, yellow to red, purple, or blue.
Dry washes, sagebrush scrub, pinyon/juniper woodland, pine forest; 1010–2500 m. e High Cascade Range, n&c High Sierra Nevada (e slope), Great Basin Floristic Province, Desert Mountains (Panamint Range); to Oregon, Colorado, New Mexico. Apr–May [Online Interchange]
Previous taxon: Peraphyllum
Next taxon: Petrophytum
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. Peraphyllum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=37235, accessed on Mar 8 2014
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