Calochortus superbus

no rights reserved, uploaded by Megan Ralph via iNaturalist

Species

Yellow Mariposa

Calochortus superbus

Calochortus superbus, or Yellow Mariposa, is a striking perennial with bright yellow flowers native to western U.S. regions.

Also known as: Yellow Mariposa

Calochortus superbus, commonly known as Yellow Mariposa, is a perennial herb native to the western United States, particularly found in California’s coastal regions and foothills. This species typically grows to a height of 1 to 2 feet, exhibiting a graceful, upright form with slender stems. The leaves are narrow and grass-like, emerging from the base of the plant, while the striking flowers, which bloom in late spring to early summer, feature bright yellow petals adorned with purple markings, creating a stunning visual display that attracts pollinators such as bees and butterflies. The fruit is a capsule that contains small seeds, which are dispersed by wind and can remain dormant until favorable conditions arise for germination.

Ecologically, Calochortus superbus plays a vital role in its habitat by providing nectar and pollen for various insects, thus supporting local biodiversity. It thrives in well-draining soils and is often found in grasslands and open woodlands, where it can benefit from the dappled light. This species is drought-tolerant once established, making it a suitable choice for xeriscaping and low-water gardens. Additionally, its attractive flowers and unique adaptations to its native environment make it a desirable plant for ornamental use in gardens, where it can be appreciated for its beauty and ecological contributions.

Care Guide

🌱 Hardiness Zone
Zone 7–10
🪨 Soil
well-drained sandy
☀️ Light
full sun
💧 Water
moderate
🌿 Fertilization
light annual feeding

Plant images courtesy of Wikimedia Commons — a free media repository maintained by volunteers worldwide. Thank you — please consider donating ♥

Browse This Plant's Classification

Domain Eukaryota
Kingdom Plantae
Phylum Magnoliophyta
Class Liliopsida
Order Liliales
Family Liliaceae
Genus Calochortus
Species Calochortus superbus