Calflora Taxon Report
Calochortus clavatus S. Watson var. avius Jeps.
Pleasant valley mariposa lily
Calochortus clavatus var. avius is a perennial herb (bulb) that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere)

Alternate Names and Sources:
None
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
yellowone or more occurrences
within a 7.5-minute quadrangle
The blue points on the map indicate observations in Calflora.
Click on the map to view observations within a specific county.


Accepted by: JEPS + CNPS + PLANTS + POWO
Jepson eFlora section:
monocot
USDA PLANTS group:
Monocot

Yellow Pine Forest

[calscape.org] Range, Habitat: Pleasant Valley Mariposa Lily (Calochortus clavatus var. avius) is a rare native perennial herb that grows in Central California, primarily in the Sierra Nevada Foothills region. It tends to grow in rocky slopes and open areas, at elevations from 0-5900 feet. (link added by Mary Ann Machi)

[wildflower.org] Characteristics: Duration: Perennial Habit: Herb Fruit Type: Capsule Size Notes: Branched stem up to about 3 feet tall. Leaf: Leaves up to about 8 inches long, withering by anthesis. Bloom Information Bloom Color: Yellow Bloom Time: May , Jun , Jul Bloom Notes: With reddish brown blotches and hairs near base of petals. (link added by Mary Ann Machi)

Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .

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