Calochortus argillosus

(c) passiflora4, some rights reserved (CC BY-NC), uploaded by passiflora4 via iNaturalist

Species

Clay Mariposa Lily

Calochortus argillosus

Clay Mariposa Lily is a drought-tolerant perennial with striking cup-shaped flowers native to arid regions.

Also known as: Clay Mariposa Lily

Calochortus argillosus, commonly known as the Clay Mariposa Lily, is a perennial herb native to the arid regions of the southwestern United States, particularly in California and Nevada. This species typically grows to a height of 12 to 30 inches, exhibiting a clumping growth habit with slender, linear leaves that emerge from a basal rosette. The flowers, which bloom in late spring to early summer, are characterized by their striking, cup-shaped appearance, often featuring white to pale yellow petals adorned with purple or brown markings. The fruit is a capsule that contains several seeds, which are dispersed by wind or water when mature, aiding in the plant’s propagation in its native habitats.

Ecologically, Calochortus argillosus plays a significant role in its ecosystem by providing nectar and pollen for various pollinators, including bees and butterflies. The plant is well-adapted to its environment, displaying drought tolerance and the ability to thrive in poor, clayey soils. Human uses of the Clay Mariposa Lily are primarily ornamental, as its unique flowers make it a desirable choice for native plant gardens and xeriscaping. Additionally, its adaptations to survive in harsh conditions, such as a bulbous root system that stores water, make it a fascinating subject for study in plant resilience and adaptation strategies.

Care Guide

🌱 Hardiness Zone
Zone 6–9
🪨 Soil
well-drained clay
☀️ Light
full sun
💧 Water
moderate
🌿 Fertilization
light annual feeding

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Browse This Plant's Classification

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