logo Calflora, a 501c3 non-profit
Taxon  Report  
Acmispon micranthus  (Torr. & A. Gray) Brouillet
Small flowered lotus
Acmispon micranthus is an annual herb that is native to California, and found only slightly beyond California borders.
also called Lotus hamatus
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
DJJJASONAFMM

Bloom Period
Genus: Acmispon
Family: Fabaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Communities: Coastal Sage Scrub, Chaparral
Name Status:
Accepted by JEF + JEF + POWO
Alternate Names:
JEFLotus hamatus
Information about  Acmispon micranthus from other sources
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

[powo.science.kew.org] Range, Habitat: The native range of this species is California to Arizona and NW. Mexico. It is an annual and grows primarily in the desert or dry shrubland biome. (link added 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]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 04/23/2025).