Lonicera etrusca

Etruscan honeysuckle

Lonicera etrusca (Etruscan honeysuckle), non-native California vine

(c) João Valença, some rights reserved (CC BY-SA) · licence

Family: Caprifoliaceae · Type: Vine · Not Native

Lonicera etrusca (Etruscan honeysuckle) is a non-native California vine in the Caprifoliaceae family, recognized by key features: very large flowers, restricted range, non-native.

Etruscan honeysuckle is a naturalized shrub found in northwestern coastal California, specifically in Del Norte County, in disturbed places at elevations below 300 meters. Flowering from May to July, this plant produces yellow-white flowers tinged with purple, with a delicate 3 to 5 centimeter long corolla that is strongly two-lipped. Growing as a twining shrub with glabrous herbage, it reaches 6 to 9 centimeters in height with a distinctive growth habit. Its leaves are ovate, sessile to short-petioled, with a rounded base and obtuse to rounded tip, notably featuring an upper pair of leaves fused around the stem. The plant's inflorescence forms a short, dense spike with round bracts, creating an elegant and distinctive appearance.

Identification and appearance

Key characters: 6 sympatric species; key features: very large flowers, restricted range, non-native

Habitat and range

Habitat: Uncommon. Disturbed places

Elevation: < 300 m

Outside California: Oregon, native to Europe

Bloom period

Lonicera etrusca blooms May-Jul.

How to tell it apart

vs Symphoricarpos: Lonicera flowers are tubular and swollen on one side; Symphoricarpos has symmetrical bell-shaped flowers and white berries.; vs Rhamnus: Lonicera has showy tubular two-lipped flowers; Rhamnus has tiny inconspicuous greenish flowers with 4-5 separate petals.; vs Ceanothus: Lonicera has large tubular flowers; Ceanothus has tiny flowers in dense showy clusters.; vs Quercus: Lonicera has tubular flowers and berries; Quercus has catkins and produces acorns.; vs Vaccinium: Lonicera flowers are tubular and two-lipped; Vaccinium has symmetrical urn-shaped flowers.

Frequently asked questions

Is Lonicera etrusca native to California?

No. Lonicera etrusca is not native to California (recorded as not native).

When does Lonicera etrusca bloom?

Lonicera etrusca blooms May-Jul.

What plant family does Lonicera etrusca belong to?

Lonicera etrusca is in the Caprifoliaceae family, genus Lonicera.

What habitat does Lonicera etrusca grow in?

Lonicera etrusca grows in Uncommon. Disturbed places.

Related species

Other California species in the same genus, family, or bioregion.

All Lonicera species · All Caprifoliaceae

Sources: Jepson eFlora · CalPhotos

Last updated 2026-10-07

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.