Jepson eFlora: Taxon page
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Bursera microphylla

Higher Taxonomy
Family: BurseraceaeView Description 

Habit: 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.
Genera In Family: 18 genera, +- 700 species: worldwide especially tropics; some cultivated (Boswellia, frankincense; Commiphora, myrrh; Bursera, Protium, copal).
eFlora Treatment Author: Duncan M. Porter
Scientific Editor: Thomas J. Rosatti.
Genus: BurseraView Description 

Habit: 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.
Species In Genus: +- 100 species: tropics, subtropical America. Etymology: (Joachim Burser, German physician, botanist, 1583--1639)

Bursera microphylla A. Gray
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.
Ecology: Rocky slopes; Elevation: < 700 m. Bioregional Distribution: w edge DSon (e San Diego, w Imperial, Riverside cos.); Distribution Outside California: to Arizona, Mexico. Flowering Time: May--Jun Note: Populations local. Bursera hindsiana (Benth.) Engl. (some leaves simple; Baja California Sur, western Sonora) reported but not confirmed for PR (s San Diego Co.).
eFlora Treatment Author: Duncan M. Porter
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory

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botanical illustration including Bursera microphylla


Citation for this treatment: Duncan M. Porter 2016. Bursera microphylla, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on February 08, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on February 08, 2016.

Bursera microphylla
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© 2008 Christopher L. Christie
Bursera microphylla
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© 2008 Gary A. Monroe
Bursera microphylla
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© 2005 Dieter Wilken
Bursera microphylla
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© 2010 California Academy of Sciences
Bursera microphylla
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© 2008 Gary A. Monroe
Bursera microphylla
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© 2013 California Academy of Sciences

More photos of Bursera microphylla in CalPhotos

Geographic subdivisions for Bursera microphylla:
w edge DSon (e San Diego, w Imperial, Riverside cos.);
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.
map of distribution 1
(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).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.