Jepson Herbarium
		University of California, Berkeley

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Tree [ shrub]; generally dioecious or monoecious.
Stem: generally erect, < 15 m.
Leaf: simple or compound, cauline, generally alternate, deciduous, petioled; leaf axis often winged; hairs dense to 0.
Inflorescence: generally panicle or flowers 1.
Flower: radial; generally unisexual, disk ring- or cup-shaped; sepals 3–5, generally united below; petals [0–2]3–5; stamens generally 1–2 × number of petals; ovary superior, chambers 2–5, style 0 or 1.
Fruit: drupe or capsule; stones 1–5, 1-seeded.
18 genera, ± 700 species: worldwide especially tropics; some cultivated (Boswellia, frankincense; Commiphora, myrrh; Bursera, Protium, copal). [Weeks et al. 2005 Molec Phylogen Evol 35:85–101] —Scientific Editor: Thomas J. Rosatti.

Tree, aromatic; dioecious.
Stem: < 10 m; bark smooth, shedding.
Inflorescence: panicle.
Flower: petals inserted beneath disk; stamens 10; ovary chambers 2–3.
Fruit: drupe-like when young, capsule-like in age, valves [2]3.
± 100 species: tropics, subtropical America. (Joachim Burser, German physician, botanist, 1583–1639) [Porter 1974 Madroño 22:273–276]

Stem: < 4 m; branches spreading, generally red; mature bark white.
Leaf: odd-1- pinnate, 2–8 cm, glabrous; leaf axis winged; leaflets 7–33, 2–5[10] mm.
Flower: staminate flowers 3–5-parted, pistillate flowers 3-parted; sepals ± 5 mm; petals ± 4 mm, white to cream.
Fruit: 5–8 mm; valves 3; stone yellow.
Rocky slopes; < 700 m. w edge Sonoran Desert (e San Diego, w Imperial, Riverside cos.);

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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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Bioregions in which taxon occurs	Red area (if present) is the part of the bioregion lying between the upper and lower elevation limits of the taxon; 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 have georeferencing or identification issues.
Chart based on elevation range in Manual and elevations and coordinates of CCH records. Data provided by the participants of the Consortium of California Herbaria. Note: About half of the CCH records include both elevation and coordinates.	Map made in collaboration with Scott Loarie. Data provided by the participants of the Consortium of California Herbaria. View all CCH records   CCH collections by month Duplicates counted once; synonyms included. Species do not include records of infraspecific taxa. Blue line denotes Manual flowering time.