Mariposa Lilies of the World

A comprehensive guide to the 87 kinds of Mariposa lilies (genus Calochortus)

• All 86
• Flower shape
• Erect - occasionally spreading; perianth open - usually campanulate 81 +
• Nodding; perianth closed - globular to oblong 5 +
• Leaf and stem texture
• Leaves and stems not glaucous; petals pale yellow - adaxial surface glabrous or sparsely hairy. 1 +
• Leaves and stems slightly glaucous; petals deep yellow - adaxial surface glabrous or with a few hairs near gland. 1 +
• Petal color
• White - pink - or rose 2 x
• Yellow 9 +
• Sepal shape
• Appressed to petals; proximal petal gland membranes 1/3–2/3 petal width; petals usually white to pink. 1 +
• Spreading; proximal petal gland membranes ± equal to petal width; petals rose. 1 +
• Stem branching
• Stems usually branching distal to base - 1–5 dm; petals with adaxial surface glabrous or sparsely hairy; leaves and stems not or slightly glaucous. 2 +
• Stems usually not branching distal to base - 1–10 dm; petals with adaxial surface moderately hairy; leaves and stems conspicuously glaucous. 1 +

• Taxonomy
• 86 Mariposa Lilies Genus Calochortus