Erythranthe rhodopetra is an annual herb that is native to California.
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).
[Wikipedia] Etymology: The derivation of Erythranthe is from Greek erythros red, with anthos, flower. They are called monkey-flowers because some species have flowers shaped like a monkey's face. (link added by Mary Ann Machi)
[Wikipedia] Limited Range, Threats, Similar Species: Erythranthe rhodopetra, also known as the Red Rock Canyon monkeyflower, is a species of plant.[1] Erythranthe rhodopetra is a rare plant native to Kern County, California, United States.[2] According to the California Native Plant Society, "Known only from the El Paso Mtns. Many occurrences historical; need field surveys. Possibly threatened by mining, vehicles, recreational activities, foot traffic, and non-native plants. Previously identified as, and similar to, E. palmeri." (link added by Mary Ann Machi)
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2025.The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 05/18/2025).