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Vascular Plants of California
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Euonymus occidentalis
WESTERN BURNING BUSH


Higher Taxonomy
Family: CelastraceaeView DescriptionDichotomous Key
Common Name: STAFF-TREE FAMILY
Habit: Shrub (climbing or not), tree, thorny or not, generally glabrous. Leaf: simple, opposite or alternate, deciduous to persistent, subsessile or petioled; veins pinnate. Inflorescence: cluster, cyme, raceme, panicle, or 1-flowered, axillary or terminal, bracted. Flower: generally bisexual, radial, small; hypanthium +- cup-shaped; sepals 4--5; petals (0)4--5, free; stamens 4--5, alternate petals, attached below or to rim of disk; ovary superior or +- embedded in disk, 2--5-chambered, placentas axile or basal, style generally 1, short, stigma +- head-like, 2--5-lobed. Fruit: capsule, winged achene, berry, drupe, or nutlet, often 1-chambered. Seed: generally 1 per chamber, arilled.
Genera In Family: 50 genera, 800 species: worldwide, especially southeastern Asia; some ornamental (Celastrus, Euonymus, Maytenus, Paxistima).
eFlora Treatment Author: Michael A. Vincent & Barry A. Prigge
Scientific Editor: Thomas J. Rosatti.
Genus: EuonymusView Description 


Common Name: BURNING BUSH
Habit: Shrub, small tree, erect. Stem: twig generally 4-angled, with corky ridges. Leaf: opposite, deciduous, generally scalloped or finely toothed. Inflorescence: axillary, few-flowered; pedicel jointed to peduncle. Flower: parts in 5s; petals purple-brown [or +- green]; disk fused to hypanthium, flat, +- 5-lobed; stamens short, attached to disk margin; ovary embedded in disk, bumpy or warty or not, style 0 or short, stigma lobes 3--5, obscure. Fruit: capsule, loculicidal, 3--5-valved. Seed: brown [white, red, or black], enclosed by [orange] red aril.
Etymology: (Greek: good name)
Unabridged Reference: Blakelock 1961 Kew Bull 210--290
Euonymus occidentalis Nutt. ex Torr.
NATIVE
Habit: Plant 2--6 m. Stem: branches slender, often climbing. Leaf: petiole 3--15 mm; blade 3--14 cm, ovate to obovate, thin, base truncate to tapered. Inflorescence: 1--5-flowered; peduncle 2--7 cm, slender; pedicel 5--15 mm. Flower: sepals 1--1.5 mm, 1.5--2.5 mm wide; petals 4--6.5 mm, purple-brown, finely dotted, margin transparent; disk +- 3 mm wide. Fruit: depressed, deeply 3-lobed, smooth. Seed: 4--6 mm, +- brown; aril +- red.

Jepson eFlora Author: Michael A. Vincent & Barry A. Prigge
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)
Key to Euonymus occidentalis

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Next taxon: Euonymus occidentalis var. occidentalis

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Citation for this treatment: Michael A. Vincent & Barry A. Prigge 2012, Euonymus occidentalis, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=25713, accessed on April 15, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on April 15, 2024.

Euonymus occidentalis  
var. parishii
click for enlargement
©2015 Keir Morse
Euonymus occidentalis  
var. parishii
click for enlargement
©2015 Keir Morse
Euonymus occidentalis  
var. parishii
click for enlargement
©2015 Keir Morse
Euonymus occidentalis  
var. occidentalis
click for enlargement
©2018 Neal Kramer
Euonymus occidentalis  
var. parishii
click for enlargement
©2015 Keir Morse

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Geographic subdivisions for Euonymus occidentalis:
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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).





 

Data provided by the participants of the  Consortium of California Herbaria.
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Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time (fruiting time in some monocot genera).