Erythranthe alsinoides

Chickweed monkeyflower

Erythranthe alsinoides (Chickweed monkeyflower), native California herb

(c) Trevor Van Loon, some rights reserved (CC BY), uploaded by Trevor Van Loon · licence

Family: Phrymaceae · Type: Herb · Native

Erythranthe alsinoides (Chickweed monkeyflower) is a native California herb in the Phrymaceae family, recognized by distinctive small size and red-spotted yellow flowers.

Chickweed monkeyflower is a California native annual found in the Klamath Ranges in moist to wet places and mossy rock crevices at elevations below 860 meters. Flowering from March to June, this plant produces yellow flowers with a distinctive large red spot at the base of the lower lip, arranged on slender pedicels 7 to 27 millimeters long. Growing as a delicate plant 0.5 to 15 centimeters tall with softly hairy stems, it forms small, compact clusters. Its leaves are small and rounded to ovate, measuring 3 to 18 millimeters long with petioles 0.5 to 20 millimeters in length. The fruit is 5 to 7 millimeters long, completing the plant's compact and intricate growth pattern.

Identification and appearance

Key characters: 9 sympatric species; distinctive small size and red-spotted yellow flowers

Habitat and range

Habitat: Moist to wet places, mossy rock crevices

Elevation: < 860 m

Outside California: to British Columbia

Bloom period

Erythranthe alsinoides blooms Mar-Jun.

Frequently asked questions

Is Erythranthe alsinoides native to California?

Yes. Erythranthe alsinoides is native to California (recorded as native).

When does Erythranthe alsinoides bloom?

Erythranthe alsinoides blooms Mar-Jun.

What plant family does Erythranthe alsinoides belong to?

Erythranthe alsinoides is in the Phrymaceae family, genus Erythranthe.

What habitat does Erythranthe alsinoides grow in?

Erythranthe alsinoides grows in Moist to wet places, mossy rock crevices.

Related species

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

All Erythranthe species · All Phrymaceae

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.