California macrophylla

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California macrophyllum
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Geraniales
Family: Geraniaceae
Genus: California
Aldas, C. Navarro, P. Vargas, Ll. Sáez & Aedo
Species: C. macrophylla
Binomial name
California macrophylla
(Hook. & Arn.) Aldas, C. Navarro, P. Vargas, Ll. Sáez & Aedo

Erodium macrophyllum Hook. & Arn.

California macrophylla, commonly known as roundleaf stork's bill, is a species of flowering plant in the geranium family, Geraniaceae. It was formerly placed in the genus Erodium, but was later placed in a monotypic genus of its own named California.[1]

It is native to the southwestern United States and northern Mexico, where it grows in open habitat such as grassland and scrub. It is an annual herb that grows only a few centimeters high, forming a patch of slightly lobed, somewhat kidney-shaped to rounded leaves on long, slender petioles. The inflorescence is an umbel of flowers with petals around a centimeter long and white in color, often tinted pinkish or purplish. The fruit has a fuzzy base and a long, narrow style which may reach 5 cm (2 in) in length.


  1. ^ Juan José Aldasoro, Carmen Navarro, Pablo Vargas, Llorenç Sáez & Carlos Aedo (2002). "California, a new genus of Geraniaceae endemic to the southwest of North America" (PDF). Anales del Jardín Botánico de Madrid 59 (2): 209–216. 

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