Mineral Wildflower Festival
Wildflower Festival Home | Wildflowers in Mineral Guide | Wildflower & Community Merchandise
Wildflower Festival Home | Wildflowers in Mineral Guide | Wildflower & Community Merchandise
Calochortus nudus
Brief Summary
The Naked Mariposa Lily is a dainty, moisture-loving native perennial belonging to the lily family (Liliaceae). Standing out for its smooth, hairless white petals and subtle purple throat bands, this understated high-country gem quietly decorates northern California’s wet montane meadows just as late spring transitions into summer.
Brief Summary of Floral Composition
The blossom showcases an elegant three-fold symmetry composed of two distinct layers: an outer ring of 3 small, narrow, green sepal-like segments and an inner ring of 3 large, broad, overlapping white petals. Tucked at the very base of each petal is a specialized, smooth, purple-ringed nectar gland that acts as a beacon for small native bees and beetles. The center holds 6 erect, pale anthers housing white-to-light-purple pollen, surrounding a central, three-sided ovary that eventually matures into an upright, papery seed capsule.
Technical Name
Calochortus nudus
Informal Names
Naked mariposa lily
Shand’s Lily
Naked star-tulip
Sierra mariposa lily
Key Characteristics
The "Naked" Petals: Unlike many other mariposa lilies and cat's ears (Calochortus species) that are famously lined with dense, fuzzy hairs, the petals of this species are completely smooth and hairless—hence the botanical name nudus.
The Delicate Blossoms: Features small, upright, cup-to-bell-shaped flowers consisting of 3 large, fan-shaped petals. They are typically pure white to pale lavender, elegantly detailed with a thin, purple crescent-shaped band or blotch circling the central throat.
Foliage: It produces a single, long, strap-like, glossy green leaf that arises directly from the base of the plant, often flat against the ground or threading through surrounding grasses.
Growth Habit: A diminutive and slender perennial monocot arising from an underground bulb, sending up a smooth, unbranched stem that stands only 4 to 10 inches high.
Notable Significance
Wetlands Specialist: While many mariposa lilies are famous for choosing dry, baking clay hillsides, this species is a highly specialized moisture-lover. Finding it is a strong indicator of an active seasonal wetland or high-table water seep.
Cultural History: The small bulbs of the genus Calochortus were historically harvested by many California Native American tribes, who pit-roasted, boiled, or ate them raw as a sweet, starchy seasonal food source.
The Calochortus Legacy: The genus name Calochortus is derived from Greek, translating beautifully to "beautiful grass," a nod to the plant's fine, grass-like leaves that completely blend into meadows until the stunning blossoms appear.
Locations Found
Habitat: Thrives exclusively in vernally wet mountain meadows, boggy flats, marsh edges, and along the grassy margins of slow-moving mountain streams. It is frequently found growing in direct company with moisture-loving horsetails (Equisetum) and sedges.
Elevation Range: Native to the high mountains of Northern California and Southern Oregon, it is highly common in the montane zones of the Sierra Nevada and Cascades at elevations between 4,000 and 7,500 feet. It finds a perfect home in the damp, snowmelt-fed meadows carpeting the valleys around Mineral.
In preparation for the Wildflower Festival, we've been photographing the wildflowers around Mineral. Watch the album where we're keeping them to see how they progress throughout the season. We'll have a sheet with names and photos for the day of the Wildflower Festival. "I know the names of the flowers, but forget them, if I don't use them," says Stephanie Dennis. "That's why having an annual Wildflower Festival could be helpful. I've been noticing the little flowers more than ever since preparing for the Festival," added Lisa Chandler.
Have photos to add? Add to the folder or email mineralcalifornia@gmail.com.