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Key to families | Table of families and genera
This text currently parallels The Jepson Manual: Vascular Plants of California, Second Edition that is now available at the University of California Press.
Text appearing in blue on this page will not appear in the printed book; it will be displayed only on the Web. Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.
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 se 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]
1. Lvs alternate, entire or toothed; inflorescence terminal or axillary, 1–many-flowered; petals green-white or white
2. Lvs toothed; inflorescence axillary, 1–5-flowered; petals green-white ..... MAYTENUS
2' Lvs entire; inflorescence terminal, many-flowered; petals white ..... MORTONIA
1' Lvs opposite, ± toothed; inflorescence axillary, 1–5-flowered; petals red- or purple-brown
3. Shrub, small tree, 2–6 m, deciduous; leaf blade 30–140 mm; flower parts in 5s ..... EUONYMUS
3' Shrub, < 1 m, evergreen; leaf blade 8–34 mm; flower parts in 4s ..... PAXISTIMA
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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