Pholistoma membranaceum
Encyclopedia
Pholistoma membranaceum is a species of flowering plant in the borage family which is known by the common name white fiesta flower. It is native to western North America from Oregon
to Baja California
, where it can be found in many types of habitat from mountain ravines to beaches to desert scrub.
It is an annual herb with a waxy, fleshy, bristly stem up to 90 centimeters long and branching profusely, sometimes forming a tangle. The leaves are deeply lobed or cut and borne on winged petioles
. The foliage is coated in hairs. The inflorescence
bears 2 to 10 flowers each under a centimeter wide. The flower is white, usually with a purple spot or streak on each of its five lobes.
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 Baja California
Baja California
Baja California officially Estado Libre y Soberano de Baja California is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is both the northernmost and westernmost state of Mexico. Before becoming a state in 1953, the area was known as the North...
, where it can be found in many types of habitat from mountain ravines to beaches to desert scrub.
It is an annual herb with a waxy, fleshy, bristly stem up to 90 centimeters long and branching profusely, sometimes forming a tangle. The leaves are deeply lobed or cut and borne on winged petioles
Petiole (botany)
In botany, the petiole is the stalk attaching the leaf blade to the stem. The petiole usually has the same internal structure as the stem. Outgrowths appearing on each side of the petiole are called stipules. Leaves lacking a petiole are called sessile, or clasping when they partly surround the...
. The foliage is coated in hairs. 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...
bears 2 to 10 flowers each under a centimeter wide. The flower is white, usually with a purple spot or streak on each of its five lobes.