Page author: David Giblin
Echinocystis lobata
wild cucumber

Distribution: Chiefly east of the Cascades in Washington; occurring throughout much of North America.

Habitat: Moist bottomlands and thickets.

Flowers: July-September

Origin: Introduced

Growth Duration: Annual

Conservation Status: Not of concern


High-climbing, annual vine, monoecious, with branched tendrils.


Leaves alternate, simple, petiolate, 5-15 cm. long, slightly rough, palmately 5-lobed, the triangular-acute lobes remotely toothed.


The staminate flowers in few-flowered, narrow panicles on short peduncles from the leaf axils; the pistillate flowers usually solitary from the same axils; corolla with a short tube and 6 spreading, narrowly lanceolate lobes 3-6 mm. long and 1 mm. wide; sepals 6, small and bristle-like, inserted in the sinuses of the corolla; stamens 3, ovary 2-celled.


Fruit bladdery-inflated, 3.5-5 cm. long, weakly spiny; seeds flattened, ovate, 1.5 cm. long.

Accepted Name:
Echinocystis lobata (Michx.) Torr. & A. Gray
Publication: Fl. N. Amer. 1(3): 542. 1840.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Echinocystis lobata in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Echinocystis lobata checklist entry.

E-Flora BC: Echinocystis lobata atlas page.

CalPhotos: Echinocystis lobata photos.

USDA Plants: Echinocystis lobata information.

4 photographs:
Group by