Chorizanthe blakleyi
Encyclopedia
Chorizanthe blakleyi is a rare species of flowering plant in the buckwheat family
known by the common name Blakley's spineflower. It is endemic to the Sierra Madre Mountains
of Santa Barbara County, California
, where it is known from only eight occurrences, four of which are within the bounds of the Los Padres National Forest
. It grows only on north-facing slopes in chaparral
and woodland habitat. This plant grows upright to no more than 15 centimeters tall. It is yellow-green and hairy, with a few basal leaves up to about 2 centimeters long. The inflorescence
contains several flowers, each surrounded by a tube of six hairy bract
s with straight or hooked awns. The flower is a few millimeters wide with white or pink deeply notched tepal
s.
Polygonaceae
Polygonaceae is a family of flowering plants known informally as the "knotweed family" or "smartweed family"— "buckwheat family" in the United States. The name is based on the genus Polygonum and was first used by Antoine Laurent de Jussieu in 1789 in his book, Genera Plantarum. The name refers...
known by the common name Blakley's spineflower. It is endemic to the Sierra Madre Mountains
Sierra Madre Mountains (California)
The Sierra Madre Mountains are a mountain range in northern Santa Barbara County, California, USA. They are a portion of the Inner South Coast Ranges, representing the southernmost part, which are themselves part of the Pacific Coast Ranges of western North America. The Sierra Madre Mountains...
of Santa Barbara County, California
Santa Barbara County, California
Santa Barbara County is a county located in the southern portion of the U.S. state of California, on the Pacific coast. As of 2010 the county had a population of 423,895. The county seat is Santa Barbara and the largest city is Santa Maria.-History:...
, where it is known from only eight occurrences, four of which are within the bounds of the Los Padres National Forest
Los Padres National Forest
Los Padres National Forest is a forest located in southern and central California, which includes most of the mountainous land along the California coast from Ventura to Monterey, extending inland...
. It grows only on north-facing slopes in chaparral
Chaparral
Chaparral is a shrubland or heathland plant community found primarily in the U.S. state of California and in the northern portion of the Baja California peninsula, Mexico...
and woodland habitat. This plant grows upright to no more than 15 centimeters tall. It is yellow-green and hairy, with a few basal leaves up to about 2 centimeters long. 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...
contains several flowers, each surrounded by a tube of six hairy bract
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...
s with straight or hooked awns. The flower is a few millimeters wide with white or pink deeply notched tepal
Tepal
Tepals are elements of the perianth, or outer part of a flower, which include the petals or sepals. The term tepal is more often applied specifically when all segments of the perianth are of similar shape and color, or undifferentiated, which is called perigone...
s.