About Trifolium macraei Hook. & Arn.
Nomenclature
Trifolium macraei Hook. & Arn. is a species of clover with three accepted common names: Chilean clover, double-head clover, and MacRae's clover.
Distribution
This species has a disjunct distribution: it grows on the coastline of Oregon and California in the United States, and also grows in South America.
Habitat
Its typical habitats are coastal environments including sand dunes, as well as disturbed areas.
Growth Form
It is an annual herb that grows in either a decumbent or erect form.
Leaf Characteristics
Its leaves are composed of oval leaflets that measure 1 to 2 centimeters long.
Inflorescence Structure
Its inflorescence usually consists of two oval or rounded flower heads, and each individual head reaches up to 1.5 centimeters wide.
Calyx Features
Every flower has a calyx made of sepals that taper into densely hairy bristles.
Corolla Coloration
The flower corolla may be solid purple, or bicolored with white or pink sections.
