Layia gaillardioides
Encyclopedia
Layia gaillardioides is a species of flowering plant in the daisy family
Asteraceae
The Asteraceae or Compositae , is an exceedingly large and widespread family of vascular plants. The group has more than 22,750 currently accepted species, spread across 1620 genera and 12 subfamilies...

 known by the common name woodland tidytips.

It is endemic to California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

, where it grows on the coastline and in the coastal mountain ranges in the northern and central parts of the state.

Description

This is an aromatic annual herb producing an erect stem up to a meter-3 feet tall coated in dark glandular hairs. The leaves are linear or lance-shaped, and the lower ones are lobed or toothed and approach 10 centimeters in maximum length.

The flower head
Head (botany)
The capitulum is considered the most derived form of inflorescence. Flower heads found outside Asteraceae show lesser degrees of specialization....

 has a nearly rounded base of fuzzy green phyllaries
Bract
In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis, or cone scale. Bracts are often different from foliage leaves. They may be smaller, larger, or of a different color, shape, or texture...

. It opens into a face fringed with bright yellow ray florets which are sometimes tipped with white, and a center of disc florets with purple anthers
Stamen
The stamen is the pollen producing reproductive organ of a flower...

. The fruit is an achene
Achene
An achene is a type of simple dry fruit produced by many species of flowering plants. Achenes are monocarpellate and indehiscent...

; fruits on the disc florets often have a thick pappus
Pappus (flower structure)
The pappus is the modified calyx, the part of an individual disk, ray or ligule floret surrounding the base of the corolla, in flower heads of the plant family Asteraceae. The pappus may be composed of bristles , awns, scales, or may be absent. In some species, the pappus is too small to see...

of white or brown bristles.

External links

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