Jepson Flora Project: Jepson Interchange    

 
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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

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  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

BURSERACEAE

TORCHWOOD FAMILY

Niall F. McCarten

Trees, shrubs, dioecious or monoecious
Stem generally erect, < 15 m
Leaves simple or compound; cauline, generally alternate, deciduous, petioled; leaf axis often winged, glabrous to densely hairy
Inflorescence: panicle or flower solitary
Flower radial; disk ring- or cup-shaped; sepals 3–5; petals 0–5; stamens generally 1–2 X number of petals; ovary superior, chambers 2–5, style 0 or 1
Fruit: drupe or capsule; stones 1–5, each 1-seeded
Genera in family: 17 genera; 500 species: worldwide especially tropical; some cultivated (Boswellia, frankincense; Commiphora, myrrh; Bursera ).

BURSERA

ELEPHANT TREE, TOROTE

Trees, aromatic
Stem < 10 m; bark smooth, shedding
Inflorescence: panicle
Flower: sepals 5; petals 5, arising from disk; stamens 10; ovary chambers 3
Fruit: valves 2–3
Species in genus: 60 species: tropical Am
Etymology: (J. Burser, born 1500's)

Native

B. microphylla A. Gray

ELEPHANT TREE


Stem < 4 m; branches spreading, generally red; mature bark white
Flower: sepals ± 5 mm; petals ± 4 mm, white to cream
Leaf pinnately compound, 2–8 cm, glabrous; leaflets 7–33, 5–10 mm
Fruit: valves 3; stone yellow
Ecology: Rocky slopes
Elevation: < 700 m.
Bioregional distribution: w edge Sonoran Desert (San Diego Co.)
Distribution outside California: to Arizona, Mexico
Flowering time: Early Summer
Population highly localized. B. hindsiana (Benth.) Engler (some leaves simple) has been reported but not confirmed from PR (s San Diego Co.).
See the CNPS Inventory for information about endangerment and rarity.
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bioregional map for BURSERA%20microphylla being generated
 


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