Deinandra kelloggii (Greene) Greene

Common Name and Classification

Deinandra kelloggii, commonly called Kellogg's spikeweed or Kellogg's tarweed, is a North American plant species. It belongs to the tribe Madieae of the family Asteraceae.

Native Range

This species is native to Baja California, southern and central California (extending from Sonoma and Calaveras Counties south to San Diego County), and Pima County, Arizona.

Growth Form and Size

It is an annual herb that can sometimes reach a height of 150 cm, or 5 feet.

Flower Head Arrangement

The plant produces many flower heads.

Floret Structure

Each flower head holds 5 yellow ray florets and 6 disc florets. The disc florets have yellow corollas, and their anthers can be yellow, red, brown, or maroon.