Baccharis emoryi
Encyclopedia
Baccharis emoryi is a species of baccharis
known by the common name Emory's baccharis. It is native to the southwestern United States and northern Mexico, where it grows in sandy, moist habitat such as riverbanks. This is a shrub
producing erect, branching stems approaching four meters in maximum height. The thick leaves are oblong to oval in shape and sometimes have roughly toothed edges. They may be up to 7 centimeters long. The shrub is dioecious
, with male and female plants producing flower heads
of different types. The head is enclosed in a layer of phyllaries
and the female flowers yield fruits, each an achene
with a white pappus
about a centimeter long. The foliage and flower heads are glandular and sticky. This species is very similar to its relative, Baccharis pilularis
.
Baccharis
Baccharis is a genus of perennials and shrubs in the aster family . They are commonly known as baccharises but sometimes referred to as "brooms", because many members have small thin leaves resembling the true brooms. They are not at all related to these however, but belong to an entirely...
known by the common name Emory's baccharis. It is native to the southwestern United States and northern Mexico, where it grows in sandy, moist habitat such as riverbanks. This is a shrub
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...
producing erect, branching stems approaching four meters in maximum height. The thick leaves are oblong to oval in shape and sometimes have roughly toothed edges. They may be up to 7 centimeters long. The shrub is dioecious
Plant sexuality
Plant sexuality covers the wide variety of sexual reproduction systems found across the plant kingdom. This article describes morphological aspects of sexual reproduction of plants....
, with male and female plants producing flower heads
Head (botany)
The capitulum is considered the most derived form of inflorescence. Flower heads found outside Asteraceae show lesser degrees of specialization....
of different types. The head is enclosed in a layer of 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 the female flowers yield fruits, each an 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 white 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...
about a centimeter long. The foliage and flower heads are glandular and sticky. This species is very similar to its relative, Baccharis pilularis
Baccharis pilularis
Baccharis pilularis, called Coyote Brush , Chaparral Broom, and Bush Baccharis, is a shrub in the Asteraceae that grows in California, Oregon, and Baja California.-Description:...
.