Chamaemelum fuscatum

Chamaemelum fuscatum, commonly known as dusky dogfennel or dark chamomile, is an annual herb in the family Asteraceae, native to Europe and introduced to California and other areas of the continental United States. It is typically found in disturbed sites and grasslands, blooming in March and April.

Description
Chamaemelum fuscatum is an annual herb, growing 5 to 20 cm (35+ cm in some cases) in height. The stems are glabrous or puberulent, and leaves are generally 2-pinnately divided. The proximal leaves are petioled and ovate to elliptic, measuring 1 to 4 cm in length, while the distal leaves are sessile and elliptic, measuring 1 to 2 cm in length and being entire to pinnately divided.

The inflorescence of Chamaemelum fuscatum features an involucre 6 to 10 mm in diameter with phyllaries 3 to 4 mm in length, glabrous, with brown tips and margins. The paleae are 2 to 3 mm long with brown tips. The ray flowers have rays 8 to 15 mm long, while the disk flowers have corollas 2.5 to 3 mm long. The fruits of both ray and disk flowers are equal, measuring about 1.2 mm in length.

Chamaemelum fuscatum is a species in the Asteraceae family and Chamaemelum genus.