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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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Shrub (climbing or not), tree, thorny or not, generally glabrous. Leaf: simple, opposite or alternate, deciduous to persistent, subsessile or petioled; veins pinnate. Inflorescence: cluster, cyme, raceme, panicle, or 1-flowered, axillary or terminal, bracted. Flower: generally bisexual, radial, small; hypanthium ± cup-shaped; sepals 4–5; petals (0)4–5, free; stamens 4–5, alternate petals, attached below or to rim of disk; ovary superior or ± embedded in disk, 2–5-chambered, placentas axile or basal, style generally 1, short, stigma ± head-like, 2–5-lobed. Fruit: capsule, winged achene, berry, drupe, or nutlet, often 1-chambered. Seed: generally 1 per chamber, arilled.
50 genera, 800 species: worldwide, especially southeastern Asia; some ornamental (Celastrus, Euonymus, Maytenus, Paxistima). [Zhang & Simmons 2006 Syst Bot 31:122–137] —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [Brizicky 1964 J Arnold Arbor 45:206–234]
Key to Celastraceae
Shrub, prostrate to ascending. Stem: twig 4-angled, with corky ridges. Leaf: opposite, evergreen, leathery, finely toothed. Inflorescence: axillary, 1–3-flowered. Flower: parts in 4s; petals ± white to red-brown; disk fused to hypanthium, ± square, fleshy; stamens short, attached to disk margin; ovary embedded in disk, stigma lobes 2, obscure. Fruit: capsule, loculicidal, 2-valved. Seed: shiny, dark brown to black; aril surrounding base and 1 side of seed, white, thin, fringed.
2 species: North America. (Greek: thick stigma, possibly)
Previous taxon: Mortonia utahensis
Next taxon: Paxistima myrsinites
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Dec 21 2014
Citation for this treatment: [Author of taxon treatment] 2013. Paxistima, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=9806, accessed on Dec 21 2014
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