Erythranthe rhodopetra
Red rock canyon monkeyflower
(c) Mike Heine, some rights reserved (CC BY), uploaded by Mike Heine · licence
Family: Phrymaceae · Type: Annual · Native
Conservation status: CNPS 1B.1
Erythranthe rhodopetra (Red rock canyon monkeyflower) is a native California annual in the Phrymaceae family, recognized by pale pink flowers with yellow throat.
Red rock canyon monkeyflower is a rare (CNPS 1B.1) California native annual found in washes at elevations of 600 to 915 meters. Flowering from March to May, this plant produces pale pink to rose-colored flowers with a broad yellow throat, approximately 16 to 25 millimeters wide. Growing 5 to 15 centimeters tall with glandular-puberulent stems, it has a delicate and compact growth habit. Its leaves are narrow, 5 to 22 millimeters long, ranging from linear-oblanceolate to elliptic in shape. The flower's distinctive calyx is 5 to 10 millimeters long with short, acute lobes that spread slightly from the pale tube.
Identification and appearance
Key characters: Geographically isolated; pale pink flowers with yellow throat
Habitat and range
Habitat: In washes
Elevation: 600-915 m
Bloom period
Erythranthe rhodopetra blooms Mar-May.
Conservation status
CNPS 1B.1
Frequently asked questions
Is Erythranthe rhodopetra native to California?
Yes. Erythranthe rhodopetra is native to California (recorded as native).
When does Erythranthe rhodopetra bloom?
Erythranthe rhodopetra blooms Mar-May.
What plant family does Erythranthe rhodopetra belong to?
Erythranthe rhodopetra is in the Phrymaceae family, genus Erythranthe.
Is Erythranthe rhodopetra rare or endangered?
Erythranthe rhodopetra carries California Rare Plant Rank 1B.1, state rank S1.
What habitat does Erythranthe rhodopetra grow in?
Erythranthe rhodopetra grows in In washes.
Related species
Other California species in the same genus, family, or bioregion.
Sources: Jepson eFlora · CDFW CNDDB
Last updated 2026-09-30
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.