|University of California, Berkeley|
|Directory News Site Map Home|
|Jepson eFlora: Taxon page
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 |
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
Shrub, vine-like or not; generally dioecious. Leaf: ± resinous; leaflets 3–9, thin to ± leathery, entire, toothed, or lobed. Inflorescence: raceme or panicle, axillary, ± open; flowers pedicelled. Flower: stamens 5, vestigial in pistillate flowers; styles ± fused, stigmas 3. Fruit: generally spheric, papery or leathery in age, cream to brown; pulp resinous.
15 species: America, eastern Asia. (Latin: poisonous tree) TOXIC: resin on leaves, stems, fruits causes severe contact dermatitis; one of the most hazardous plants in California.
Unabridged references: [Yiet al. 2007 Syst Bot 32:379–391; 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; Gillis 1971 Rhodora 73:72–159, 161–237, 370–443, 465–540]
Shrub, 0.5–4 m, or vine-like, < 25 m. Stem: twigs gray- to red-brown, tapered, hairs 0 to sparse. Leaf: petiole 1–10 cm; leaflets 3(5), ± round to oblong, entire, wavy, or ± lobed, thin to ± leathery, bright red in fall, adaxially glabrous, shiny, abaxially sparse-short-hairy, base truncate to rounded, tip obtuse to rounded; terminal leaflet 1–13 cm, 1–8 cm wide, lateral 1–7 cm, 1–6 cm wide. Inflorescence: branches loose, generally arched, slender; pedicels 2–8 mm; bractlets < 1 mm. Flower: sepals green; petals > sepals, generally ovate, yellow- to white-green. Fruit: 1.5–6 mm diam, spheric to ± compressed, glabrous to fine-bristly, creamy white, in age leathery; pulp white, black-striate.
2n=30. Canyons, slopes, chaparral, coastal scrub, oak woodland; < 1650 m. California Floristic Province, sw edge Mojave Desert; to British Columbia, western Nevada, northern Baja California. Apr–Jun [Online Interchange]
Unabridged note: A related sp., Toxicodendron rydbergii (Small ex Rydb.) Greene, occurs in southeastern Oregon, Nevada, Utah, western Arizona.
Previous taxon: Toxicodendron
Next taxon: Apiaceae
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Oct 13 2015
Citation for this treatment: [Author of taxon treatment] 2013. Toxicodendron, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=46791, accessed on Oct 13 2015
Copyright © 2014 Regents of the University of California
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.
See CalPhotos for additional images
© 2004 David A. Tharp
|Geographic subdivisions indicated for the distribution of Toxicodendron diversilobum|| Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
READ ABOUT YELLOW FLAGS
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).
View elevation by latitude chart
| Data provided by the participants of the Consortium of California Herbaria.
View all CCH records
CCH collections by month