Ericameria greenei
Encyclopedia
Ericameria greenei is a species of flowering shrub
in the daisy family
known by the common name Greene's goldenbush. It is native to the western United States from Washington and Oregon
to California
, where it grows in rocky and open wooded habitat. It is a small shrub growing up to about 25 centimeters tall with branches lined with short, narrow, hairless to glandular, woolly leaves. The inflorescence
is a cluster of flower heads
at the tips of stem branches. Each head is lined with sticky, glandular phyllaries
and contains several yellowish disc florets and a few yellow ray florets. The fruit is an achene
topped with a brownish pappus
.
Shrub
A shrub or bush is distinguished from a tree by its multiple stems and shorter height, usually under 5–6 m tall. A large number of plants may become either shrubs or trees, depending on the growing conditions they experience...
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 Greene's goldenbush. It is native to the western United States from Washington and Oregon
Oregon
Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...
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 in rocky and open wooded habitat. It is a small shrub growing up to about 25 centimeters tall with branches lined with short, narrow, hairless to glandular, woolly leaves. 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...
is a cluster 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....
at the tips of stem branches. Each head is lined with sticky, 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 contains several yellowish disc florets and a few yellow ray florets. 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...
topped with a brownish 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...
.