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Calochortus clavatus facts for kids

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Calochortus clavatus
Club-haired Calochortus (Calochortus clavatus).jpg
Scientific classification
Calochortus clavatus, by Mary Vaux Walcott
Botanical illustration.

Calochortus clavatus is a species of mariposa lily known by the common name clubhair mariposa lily. It is endemic to California where it is found in forests and on chaparral slopes.


The Calochortus clavatus lily produces tall stems up to 1 metre (3.3 ft) in height and only basal leaves.

Atop the stem is a lily bloom with sepals up to 4 centimeters long. The petals are up to 5 centimeters long and yellow with a darker line or series of bands near the base, which are often red. The cup of the flower is filled with hairs which have clubbed ends. The anthers are often deep purple.

The capsule fruit is up to 9 centimeters long.

Calochortus clavatus var. pallidus - Flickr 006
Calochortus clavatus var. pallidus, San Luis Obispo County

Varieties of Calochortus clavatus include:

  • Calochortus clavatus var. avius — northwestern Sierra Nevada foothills
  • Calochortus clavatus var. clavatus
  • Calochortus clavatus var. gracilis — slender Mariposa lily; western Transverse Ranges (San Gabriels, Santa Susanas, Santa Monicas, & Simi Hills.)
  • Calochortus clavatus var. pallidus
  • Calochortus clavatus var. recurvifolius — Arroyo de la Cruz mariposa lily; southern outer Coast Range north of Arroyo de la Cruz— Piedras Blancos, San Luis Obispo County.
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