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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Perennial herb, subshrub; roots generally in fleshy clusters. Stem: 1–several from root crown. Leaf: basal and cauline, alternate, large, deeply, generally ternately, dissected to compound, ± fleshy; stipules 0. Inflorescence: terminal, flowers 1 or few in cluster. Flower: sepals generally 5, free, leathery, persistent in fruit; petals generally 5–10; stamens many, maturing outward; pistils 2–5, simple, thick-walled, surrounded at base by lobed disk, style ± 0. Fruit: follicles, 2–5. Seed: large, generally several per follicle, generally black, arilled.
1 genus: western United States, Eurasia, especially temperate eastern Asia.; many cultivated. [Sang et al. 1997 Amer J Bot 84:1120–1136] Disk evidently not nectar-secreting. —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [Tamura, M. N. 2006. Paeoniaceae. Pp. 265–269, in Kubitzki, K. (ed.), The Families and Genera of Vascular Plants. Volume IX. Flowering Plants. Eudicots. Berberidopsidales, Buxales, Crossosomatales. Springer, Berlin.; Sang, T., Crawford, D. J., & Stuessy, T. F. 1997. Chloroplast DNA phylogeny, reticulate evolution, and biogeography of Paeonia (Paeoniaceae). American J. Bot. 84: 1120–1136]
Key to Paeonia
± 30 species: Eurasia, 2 species in western United States. (Greek: Paeon, physician to the gods)
Stem: generally simple. Leaf: 1° divisions 3–6 cm, 2–5 cm wide; ultimate segments ± elliptic, bases tapered. Flower: petals 8–13 mm; filaments 3–5 mm, anthers 2–4 mm. Fruit: 2–4 cm. Seed: ± 11 mm.
n=5. Open, dry pine forest, scrub; 200–3000 m. Klamath Ranges, North Coast Ranges, Cascade Range, n&n-c Sierra Nevada, se San Francisco Bay Area (Mount Hamilton), Modoc Plateau, n East of Sierra Nevada; to Washington, Wyoming, Nevada. Apr–Jun [Online Interchange]
Previous taxon: Paeonia
Next taxon: Paeonia californica
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jul 30 2014
Citation for this treatment: [Author of taxon treatment] 2013. Paeonia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=35854, accessed on Jul 30 2014
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Robert Potts © 2001 California Academy of Sciences
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