Splendid Mariposa Lily (Calochortus splendens)

5/22/10 Vernal Pool Trail, Santa Rosa Plateau Ecological Reserve, 

Murrieta, SW Riverside County, CA 

 5/22/10 Vernal Pool Trail, Santa Rosa Plateau Ecological Reserve, 

Murrieta, SW Riverside County, CA

5/22/10 Vernal Pool Trail, Santa Rosa Plateau Ecological Reserve, 

Murrieta, SW Riverside County, CA

5/8/04 Roadside off Hwy. 78 at Durbin Road near Cuyamaca Rancho State Park, 
San Diego County, CA 

5/26/03 San Juan Loop Trail, Santa Ana Mountains, 
Cleveland National Forest, Riverside County, CA

LIFE LIST NOTES:

COMMON NAME: Splendid Mariposa Lily

SPECIES: Calochortus splendens

FAMILY: Liliaceae (Lily Family)

LIFE LIST DATE: 5/26/2003

LOCATION: San Juan Loop Trail, Santa Ana Mountains, Cleveland National Forest, Riverside County, CA

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Treatment from The Jepson Manual (1993):

Stem 20–60 cm, branched; bulblets generally 0

Leaves: basal 10–20 cm, withering

Inflorescence: central axis distinct; flowers 1–4, erect; bracts 2–5 cm

Flower: perianth bell-shaped, base narrowed; sepals 20–30 mm, deep lilac, often purple-spotted; petals 30–50 mm, toothed above, generally purple-spotted and sparsely white-hairy near base, nectary not depressed, ± square, generally densely branched-hairy

Fruit erect, 5–7 cm, linear, angled

Ecology: Dry, often granitic soils, grassland, chaparral, yellow-pine forest

Elevation: < 2800 m.  

Bioregional distribution: c&s Inner North Coast Ranges, Central Western California, w Southwestern California 

Distribution outside California: n Baja California