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Key to families | Table of families and genera

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.



John M. Miller & Dieter H. Wilken, except as noted

Shrub, tree; generally dioecious or flowers bisexual and unisexual; resin clear, often weathering black, generally aromatic, latex milky or 0. Leaf: simple to ternate- or odd-pinnate-compound, alternate, deciduous or evergreen; stipules 0. Inflorescence: raceme or panicle; flowers generally many. Flower: generally unisexual, radial; sepals generally 5, base generally ± fused; petals 5, generally > sepals, free; (perianth parts 1–7 in Pistacia); stamens 4–7 or 10, vestigial in pistillate flowers; ovary superior, vestigial or 0 in staminate flowers, subtended by ± lobed, disk-like nectary, chamber generally 1, ovule generally 1, styles 1–3. Fruit: drupe-like, generally ± flat, sticky or not, hairs short or 0; pulp ± resinous, aromatic or not.
70+ genera, ± 850 species: tropics, warm temperate; some ornamental (Rhus, Schinus), cultivated for fruit (Anacardium, cashew; Mangifera, mango; Pistacia, pistachio). TOXIC: many genera produce contact dermatitis. [Yi et al. 2007 Syst Bot 32:379–391] —Scientific Editors: Bruce G. Baldwin, Thomas J. Rosatti.
Unabridged references: [Pell 2004 Ph.D. Dissertation, Louisiana State Univ, Baton Rouge; Cronquist et al. 1997 Anacardiaceae In: Intermountain Flora 3A:313–317; Wannan & Quinn 1991 Bot J Linn Soc 107:349–385; Wannan & Quinn 1990 Bot J Linn Soc 103:225–252; Ibe & Leis 1979 Bull Torrey Bot Club 106:140–144; Brizicky 1963 J Arnold Arbor 44:60–80]

Key to Anacardiaceae

1. Tree; leaves compound, leaflets 7–16+

2. Leaf axes winged; perianth parts 1–7, bract-like, unequal; stamens 4–7, in 1 whorl ..... PISTACIA

2' Leaf axes not winged; sepals 5, petals 5; stamens generally 10, in 2 whorls ..... SCHINUS

1' Shrub, vine-like or not; leaves simple to compound, leaflets 3–5

3. Leaves evergreen, simple, entire to toothed or crenate or shallowly 3-lobed; petals white to ± pink

4. Fruit 2–3 mm diam, glabrous, not sticky; inflorescence branches slender ..... MALOSMA

4' Fruit 6–10 mm diam, puberulent, sticky; inflorescence branches stout ..... RHUS (2)

3' Leaves deciduous or evergreen, deep-lobed to compound, leaflets 0 or 3–5; petals yellow to yellow-green

5. Leaves ± evergreen, leaflets linear to narrowly lanceolate, generally entire ..... SEARSIA

5' Leaves deciduous, leaf lobes or leaflets oblong or ovate to ± diamond-shaped or ± round, entire to lobed

6. Inflorescence terminal; flowers ± sessile; leaflets adaxially dull; fruit red ..... RHUS (2)

6' Inflorescence axillary; flowers pedicelled; leaflets adaxially shiny; fruit creamy white ..... TOXICODENDRON


Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, [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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