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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
Perennial herb, ± nonglandular, rhizomes short, stolons leafless. Leaf: basal, 1-ternately compound; leaflet teeth generally entire. Inflorescence: cyme, ± umbel-like, open, 1–several-flowered; pedicels recurved in fruit, bractlets 0. Flower: hypanthium shallow, bractlets 5, narrower than sepals; sepals, petals ± obovate, generally white; stamens 20–35, filaments ± flat, pollen sac 1, horseshoe-shaped; pistils many, ovaries superior, jointed to stout style on side. Fruit: achenes many on enlarged, fleshy, red receptacle.Key to Fragaria
± 20 species: generally northern temperate. (Latin: fragrant) [Hancock et al. 2004 Canad J Bot 82:1632–1644] Species intergrade.
Unabridged note: Characters include calyx orientation, fruit size used to define subspecies despite evident lack of taxonomic value.
Stem: generally 3–15 cm. Leaf: thin; petiole generally 3–25 cm; central leaflet stalk < 2 mm, blade 15–70 mm, widely elliptic-obovate, acute to obtuse, teeth generally 12–21, below and above middle, acute or obtuse, central tooth < to > adjacent; leaflets sparsely hairy adaxially, hairier abaxially. Inflorescence: often >> leaves. Flower: generally ± 15 mm wide; hypanthium bractlets often 2-lobed; sepals generally 4–8 mm; petals generally 5–8 mm. Fruit: receptacle 5–10 mm; achene ± 1.5 mm.
n=7. Generally partial shade in forest; 15–2000 m. Northwestern California, Cascade Range, Sierra Nevada, Central Western California, San Bernardino Mountains, Peninsular Ranges; to eastern North America, Baja California; also Europe. [Fragaria crinita Rydb.; Fragaria vesca subsp. bracteata (A. Heller) Staudt] Hybridizes with Fragaria chiloensis. Jan–Jul [Online Interchange]
Previous taxon: Fragaria chiloensis
Next taxon: Fragaria virginiana
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Apr 16 2014
Citation for this treatment: [Author of taxon treatment] 2012. Fragaria, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=26021, accessed on Apr 16 2014
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