Jepson eFlora: Taxon page
Vascular Plants of California
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Campsis radicans

Higher Taxonomy
Family: BignoniaceaeView DescriptionDichotomous Key
Habit: Shrub, tree [woody vine]; nectaries often on stem, leaf, calyx, ovary. Leaf: generally 1--3-pinnate or -palmate (or simple), generally opposite or whorled. Flower: bisexual, showy; calyx generally 5-lobed, 2-lipped or not; corolla funnel- or bell-shaped, 5-lobed, generally 2-lipped; stamens epipetalous, generally 4, paired, a 5th vestigial (a staminode) [or 0]; ovary superior, chambers generally 2, placentas 4, axile (or chamber 1, placentas 2--4, parietal), style long, stigma 2-lobed. Fruit: generally capsule, long, cylindric to +- round, sometimes flat, 2-valved. Seed: many, flat, generally winged.
Genera In Family: 81 genera, 827 species: generally tropics, especially South America; many ornamental (Campsis, trumpet creeper; Catalpa; Jacaranda).
eFlora Treatment Author: Lúcia G. Lohmann
Scientific Editor: Thomas J. Rosatti.
Genus: CampsisView Description 

Habit: Woody vine; deciduous. Leaf: opposite, 1-pinnate; leaflets toothed. Inflorescence: raceme, terminal. Flower: calyx lobes unequal; anther sacs 2.
Etymology: (Greek: curved, for stamens)
Unabridged Reference: Lohmann, L. G. & C.U. Ulloa 2006
Campsis radicans (L.) Bureau
Habit: Plant +- 10 m. Leaf: blade 4--7 cm, elliptic or ovate. Inflorescence: flat-topped. Flower: calyx to 20 mm, tubular, yellow-green; corolla 5--8 cm, fragrant, red-orange; stamens exserted; staminode included, glabrous. Fruit: 10--20 cm, oblanceolate, not flat. Seed: 20--30 mm, linear; glabrous. Chromosomes: 2n=40.
Ecology: Roadsides, fencerows, abandoned fields, floodplain forests; Elevation: < 1000 m. Bioregional Distribution: Cult, escaping throughout CA-FP; Distribution Outside California: western, central, southeastern United States. Flowering Time: May--Aug Note: Possibly naturalizing.
Jepson eFlora Author: Lúcia G. Lohmann
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

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Citation for this treatment: Lúcia G. Lohmann 2012, Campsis radicans, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on February 25, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora,, accessed on February 25, 2024.

Campsis radicans
click for enlargement
©2016 Keir Morse
Campsis radicans
click for enlargement
©2016 Keir Morse
Campsis radicans
click for enlargement
©2016 Keir Morse
Campsis radicans
click for enlargement
©2016 Keir Morse
Campsis radicans
click for enlargement
©2016 Keir Morse

More photos of Campsis radicans
in CalPhotos

Geographic subdivisions for Campsis radicans:
Cult, escaping throughout CA-FP
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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.
View all CCH records
All markers link to CCH specimen records. The original determination is shown in the popup window.
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.
Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.

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).