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Euonymus occidentalis

Higher Taxonomy
Family: CelastraceaeView DescriptionDichotomous Key

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 

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.
Species In Genus: 180 species: especially tropical southern hemisphere. Etymology: (Greek: good name)

Euonymus occidentalis Nutt. ex Torr.
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.

eFlora Treatment Author: Michael A. Vincent & Barry A. Prigge
Jepson Online Interchange
Key to Euonymus occidentalis

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Citation for this treatment: Michael A. Vincent & Barry A. Prigge 2017. Euonymus occidentalis, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on July 25, 2017.

Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora,, accessed on July 25, 2017.

Euonymus occidentalis var. parishii
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© 2015 Keir Morse
Euonymus occidentalis var. parishii
click for enlargement
© 2015 Keir Morse
Euonymus occidentalis var. parishii
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© 2015 Keir Morse
Euonymus occidentalis
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© 2013 Vernon Smith
Euonymus occidentalis var. occidentalis
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© 2015 Aaron Schusteff
Euonymus occidentalis var. parishii
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© 2015 Keir Morse

More photos of Euonymus occidentalis in CalPhotos

Geographic subdivisions for Euonymus occidentalis:
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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.