Penstemon bicolor ssp. roseus
rosy two-toned beardtongue
Photo: parent species Penstemon bicolor · (c) Stan Shebs, some rights reserved (CC BY-SA), uploaded by Stan Shebs · licence
Family: Plantaginaceae · Type: Herb
Conservation status: CNPS 1B.1
Penstemon bicolor ssp. roseus (rosy two-toned beardtongue) is a California herb in the Plantaginaceae family.
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Identification and appearance
Key characters: Differentiators are not available at this time.
Conservation status
CNPS 1B.1
How to tell it apart
vs Epilobium: Penstemon has tubular two-lipped flowers with five stamens; Epilobium has four-petaled open flowers with eight stamens.; vs Keckiella: Penstemon is herbaceous and dies back; Keckiella has persistent woody stems year-round.; vs Salvia: Penstemon has five stamens (one sterile); Salvia has only two fertile stamens and square stems.; vs Ipomopsis: Penstemon has two-lipped tubular flowers; Ipomopsis has star-shaped flowers with five equal lobes.; vs Antirrhinum: Penstemon has a sterile stamen visible inside; Antirrhinum has only four stamens, none sterile.
Frequently asked questions
What plant family does Penstemon bicolor ssp. roseus belong to?
Penstemon bicolor ssp. roseus is in the Plantaginaceae family, genus Penstemon.
Is Penstemon bicolor ssp. roseus rare or endangered?
Penstemon bicolor ssp. roseus carries California Rare Plant Rank 1B.1, state rank S1.
Related species
Other California species in the same genus, family, or bioregion.
Sources: CDFW CNDDB
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.