Frasera albomarginata var. induta
Clark mountain green-gentian, Clark Mountain Green-Gentian
(c) Andrey Zharkikh, some rights reserved (CC BY) · licence
Family: Gentianaceae · Type: Perennial · Native
Conservation status: CNPS 1B.2
Frasera albomarginata var. induta (Clark mountain green-gentian) is a native California perennial in the Gentianaceae family, recognized by puberulent inflorescence and nectary pit shape.
Clark mountain green-gentian is a rare (CNPS 1B.2) California native perennial found in the Clark Mountains in dry, open woodland at elevations of 1,500 to 2,200 meters. Flowering from May to July, this plant produces white flowers with puberulent calyx lobes and distinctive nectary pits that are nearly truncate or slightly notched at the tip. Growing with erect stems that feature puberulent branches, it develops a distinctive gentian-like growth form. Its leaves are arranged in a pattern typical of gentians, creating a structured and elegant appearance along the stem. The plant represents a unique botanical treasure of the Clark Mountain range, highlighting the specialized flora of this isolated desert mountain ecosystem.
Identification and appearance
Key characters: 1 sympatric species; key features are puberulent inflorescence and nectary pit shape
Habitat and range
Habitat: Dry, open woodland
Elevation: 1500-2200 m
Outside California: southern Nevada
Bloom period
Frasera albomarginata var. induta blooms May-Jul.
Conservation status
CNPS 1B.2
How to tell it apart
vs Swertia: Frasera has one nectar pit per petal; Swertia has two.; vs Chorizanthe: Frasera has four-petaled gentian flowers; spineflower has six perianth parts.; vs Nerium: Frasera is herbaceous; oleander is woody with milky sap.
Frequently asked questions
Is Frasera albomarginata var. induta native to California?
Yes. Frasera albomarginata var. induta is native to California (recorded as native).
When does Frasera albomarginata var. induta bloom?
Frasera albomarginata var. induta blooms May-Jul.
What plant family does Frasera albomarginata var. induta belong to?
Frasera albomarginata var. induta is in the Gentianaceae family, genus Frasera.
Is Frasera albomarginata var. induta rare or endangered?
Frasera albomarginata var. induta carries California Rare Plant Rank 1B.2, state rank S1.
What habitat does Frasera albomarginata var. induta grow in?
Frasera albomarginata var. induta grows in Dry, open woodland.
Related species
Other California species in the same genus, family, or bioregion.
Sources: Jepson eFlora · CalPhotos · 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.