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Taxon  Report  
Cryptantha ganderi  I. M. Johnst.
Gander's cryptantha
Cryptantha ganderi is an annual herb that is native to California, and also found in Baja California; Sonora, Mexico and Arizona.
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
Observation Search
~40 records in California
yellowone or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Genus: Cryptantha
Family: Boraginaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Habitat: dunes

Communities: Creosote Bush Scrub

Name Status:
Accepted by JEF + CNPS + PLANTS

Information about  Cryptantha ganderi from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora


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[southwestdesertflora.com] Description, Habitat, Rarity: Duration: Annual Size: Up to 15 inches more or less (40 cm) Growth Form: Forb/herb; Plants stout, stems single or branching generally throughout, hairs straight and stiff, (strigose) and rough-hairy to bristly; hairs extending horizontally (spreading). Leaves: Green; leaves not divided into leaflets (simple), with a smooth margins (entire); linear to narrowly-lanceolate; straight stiff hair (bristles) that are extending horizontally (spreading), some of the hairs are bulbous at the base; the base leaves are whorled, the stem leaves (cauline) are usually opposite below and alternate above. Flower Color: White, flowers in 1's, occasionally clustered; flowering stem (inflorescence) a terminal (cyme); corolla mostly white with 5 minute secondary parts attached to the main structure (appendages) pale yellow in the center; sepals free; fruit a nutlet. Flowering Season: January or February to May Elevation: 500 to 1,200 feet (150-370 m). Habitat Preferences: Deserts, sand dune, sandy open areas, silty fine sand, creosote bush communities and Sonoran desert scrub. Recorded Range: Cryptantha ganderi is rare in the United States; it is found only in AZ and CA. In CA it is found in the Borrego Valley area and in AZ it is found in the Yuma area. It is also native to Baja California, Sonora and northwest Mexico. (contributed by Mary Ann Machi)

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 05/19/2024).