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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
Shrub, unarmed. Leaf: simple, oblong to (ob)ovate, generally serrate, deciduous; stipules generally 0; petiole 0–short. Inflorescence: raceme or panicle, many-flowered, bracted; pedicel bractlet generally 1, at top, generally linear. Flower: hypanthium obconic to bell-shaped, bractlets 0; sepals spreading to erect; petals spreading, pink to rose; stamens 15–many; pistils 5, opposite petals, free or fused at base, surrounded by hypanthium, ovaries superior, styles ± terminal, beak-like in fruit, stigmas head-like. Fruit: follicles 5, dehiscent along adaxial, top of abaxial suture. Seed: ± fusiform; coats membranous.Key to Spiraea
± 50 species: northern temperate. (Greek: shrub)
Plant 2–9 dm, glabrous to sparsely fine-hairy. Leaf: generally ovate, generally 1–7 cm; petiole < 3 mm. Flower: hypanthium 2–2.5 mm; sepals ± 1 mm; petals ± 1.5 mm, rose.
Moist, rocky areas including serpentine, conifer forest; 550–3400 m. Klamath Ranges, Cascade Range, High Sierra Nevada; to British Columbia. [Spiraea densiflora Rydb.; Spiraea densiflora subsp. splendens (K. Koch) Abrams; Spiraea densiflora Torr. & A. Gray, inval.] Jun–Sep [Online Interchange]
Unabridged synonyms: [Spiraea densiflora Nutt. ex Rydb.; Spiraea densiflora subsp. splendens (Baumann ex K. Koch) Abrams; Spiraea densiflora Nutt. ex Torr. & A. Gray, inval.]
Unabridged note: Expanded author citation: Spiraea splendens Baumann ex K. Koch
Previous taxon: Spiraea douglasii
Next taxon: Rubiaceae
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jul 24 2014
Citation for this treatment: [Author of taxon treatment] 2013. Spiraea, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=45211, accessed on Jul 24 2014
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