Erythranthe pardalis
Pennell's panther
(c) Trevor Van Loon, some rights reserved (CC BY), uploaded by Trevor Van Loon · licence
Family: Phrymaceae · Type: Annual · Native
Erythranthe pardalis (Pennell's panther) is a native California annual in the Phrymaceae family, recognized by annual with flowers in leaf axils.
Pennell's panther is a California native annual found in rocky seeps, streams, and copper mine tailings at elevations of 100 to 700 meters. Flowering from April to May, this plant produces yellow flowers with delicate petals emerging from slender stems. Growing 5 to 30 centimeters tall with glandular-hairy stems, it has an elegant, sparse branching structure. Its leaves are elliptic to ovate, typically 7 to 22 millimeters long, with petioles 8 to 20 millimeters in length. Small clusters of 2 to 12 flowers are evenly distributed along the stem, creating a delicate botanical display.
Identification and appearance
Key characters: Geographically isolated; annual with flowers in leaf axils
Habitat and range
Habitat: Seeps in rock outcrops, streams and creeks, copper mine tailings
Elevation: 100-700 m
Bloom period
Erythranthe pardalis blooms Apr-May.
Frequently asked questions
Is Erythranthe pardalis native to California?
Yes. Erythranthe pardalis is native to California (recorded as native).
When does Erythranthe pardalis bloom?
Erythranthe pardalis blooms Apr-May.
What plant family does Erythranthe pardalis belong to?
Erythranthe pardalis is in the Phrymaceae family, genus Erythranthe.
What habitat does Erythranthe pardalis grow in?
Erythranthe pardalis grows in Seeps in rock outcrops, streams and creeks, copper mine tailings.
Related species
Other California species in the same genus, family, or bioregion.
Sources: Jepson eFlora
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.