Page authors: Don Knoke, David Giblin
Lonicera conjugialis
purple-flower honeysuckle

Distribution: Occurring chiefly east of the Cascades crest in Washington mostly from Mt. Adams south, though a historical record is known from Yakima County; south-central Washington to the Sierra Nevada of California.

Habitat: In woods, meadows and moist open slopes at mid-elevations in the mountains.

Flowers: June-July

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


Deciduous shrub 6-15 dm. tall.


Leaves opposite, short-petiolate, elliptic or rhombic to broadly ovate, 2.5-7.5 cm. long and 1.5-4.5 cm. broad, stiff-hairy beneath and often above as well.


Flowers in pairs on axillary peduncles 1-4.5 cm. long; corolla united, dark reddish-purple, 8-11 mm. long, deeply two-lipped, the upper lip shallowly 4-lobed, the lower narrow and entire; corolla tube shorter than the lips, strongly swollen on the lower side, conspicuously long-hairy within; stamens 5, the filaments long-hairy below; ovary 3-celled, inferior.


Fruit a reddish-black berry nearly 1 cm. thick

Accepted Name:
Lonicera conjugialis Kellogg
Publication: Proceedings of the California Academy of Sciences 2: 67-69, f. 15. 1863.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Lonicera conjugialis in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Lonicera conjugialis checklist entry.

E-Flora BC: Lonicera conjugialis atlas page.

CalPhotos: Lonicera conjugialis photos.

USDA Plants: Lonicera conjugialis information.

13 photographs:
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