''Calochortus exilis'' is a rare Mexican species of plants in the

lily family The lily family, Liliaceae, consists of about 15 genera and 610 species of flowering plants within the order Liliales. They are monocotyledonous, perennial, herbaceous, often bulbous geophytes. Plants in this family have evolved with a ...

. It is native to mountains in the

State of Hidalgo Hidalgo (), officially the Free and Sovereign State of Hidalgo ( es, Estado Libre y Soberano de Hidalgo) is one of the 31 states which, along with Mexico City, constitute the 32 federal entities of Mexico. It is divided into 84 municipalities ...

in east-central Mexico.

Description

''Calochortus exilis'' is a bulb-forming herb up to 15 cm tall, usually unbranched. Flowers are nodding (hanging) with yellow or purple

sepals A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 The term ''sepalum'' was coined b ...

and white to lemon-yellow petals.Painter, Joseph Hannum 1911. Contributions from the United States National Herbarium 13(10): 346
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References

External links

Pacific Bulb Society, ''Calochortus'' Species Three
photos of several species including ''Calochortus exilis'' exilis Flora of Hidalgo (state) Plants described in 1911 {{liliales-stub