Crepis occidentalis
Encyclopedia
Crepis occidentalis is a species of flowering plant in the daisy family
known by the common name largeflower hawksbeard. It is native to most of western North America, where it grows in many types of habitat. It is a perennial herb growing a grayish woolly branching stem to about 40 centimeters in height from a deep taproot. The woolly, toothed leaves are up to 30 centimeters long at the base of the plant. The inflorescence
produces several clusters of flower heads
with hairy, often glandular phyllaries
and many yellow ray florets. The fruit is a ribbed achene
with a frilly pappus
at the tip.
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 largeflower hawksbeard. It is native to most of western North America, where it grows in many types of habitat. It is a perennial herb growing a grayish woolly branching stem to about 40 centimeters in height from a deep taproot. The woolly, toothed leaves are up to 30 centimeters long at the base of the plant. The inflorescence
Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...
produces several clusters of flower heads
Head (botany)
The capitulum is considered the most derived form of inflorescence. Flower heads found outside Asteraceae show lesser degrees of specialization....
with hairy, often glandular 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...
and many yellow ray florets. The fruit is a ribbed achene
Achene
An achene is a type of simple dry fruit produced by many species of flowering plants. Achenes are monocarpellate and indehiscent...
with a frilly 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...
at the tip.