Chorizanthe brevicornu is a species of flowering plant in the buckwheat family which is known by the common name brittle spineflower. It is native to the southwestern United States and northern Mexico, where it is widely distributed but is most abundant in the deserts.
The plant extends an erect, naked, highly branching stem which is greenish in color. Most of the leaves grow from the base of the plant, but a few small ones may appear up on the stem. At the end of each of the many branches is a tube-shaped inflorescence which opens into a tiny white or greenish-yellow flower a few millimeters wide.
Chorizanthe is a genus of plants in the buckwheat family known generally as spineflowers. These are small, squat, herbaceous plants with spiny-looking inflorescences of flowers. The flowers may be in shades of red or yellow to white. The bracts are pointed and sometimes tipped with a hooked awn, and the inflorescence often dries into a rounded, spiny husk. Spineflowers are found in western North America and South America.
Chorizanthe orcuttiana is a rare small annual plant in the buckwheat family, Polygonaceae. It is known commonly as Orcutt's spineflower or the San Diego spineflower, and it is endemic to San Diego County, California. The plant is diminutive, and a hand-lens is necessary for proper identification. The plant is very sensitive to temperature and precipitation, and under drought or hot conditions the seeds will not germinate or survive. The plant is visible anywhere from February through July during good rain year, but most years the plant is only visible from April to June. Each minute flower yields one seed.
Hastingsia alba is a species of flowering plant known by the common names white rushlily and white schoenolirion.
Koeberlinia spinosa is a species of flowering plant native to the southwestern United States and northern Mexico and India known by several common names, including crown of thorns, allthorn, and crucifixion thorn. It is one of two species of the genus Koeberlinia, which is sometimes considered to be the only genus in the plant family Koeberliniaceae. Alternately it is treated as a member of the caper family. This is a shrub of moderate to large size, sprawling to maximum heights over 4 m (13 ft). It is entirely green while growing and is made up of tangling straight stems which branch many times. The tip of each rigid stem branch tapers into a long, sharp spine. Leaves are mainly rudimentary, taking the form of tiny deciduous scales. Most of the photosynthesis occurs in the green stem branches. The shrub blooms abundantly in white to greenish-white flowers. The fruits are shiny black berries each a few millimeters long; they are attractive to birds.
Chorizanthe parryi is a species of flowering plant in the buckwheat family known by the common name Parry's spineflower and San Bernardino spineflower.
Chorizanthe staticoides is a species of flowering plant in the buckwheat family known by the common name Turkish rugging. It is endemic to California, where it is a common member of the flora in the chaparral and scrub habitats in a number of regions.
Carminatia is a genus of annual plants in the family Asteraceae. They are native primarily to Mexico, but also the southwestern United States and Central America.
Chorizanthe cuspidata is a species of flowering plant in the buckwheat family known by the common name San Francisco spineflower. It is endemic to California, where it is known only from the San Francisco Bay Area and to the immediate north and south. It grows in sandy coastal habitat.
Chorizanthe douglasii is a species of flowering plant in the buckwheat family known by the common names San Benito spineflower and Douglas' spineflower. It is endemic to California, where it grows in the mountains of the Southern California Coast Ranges, from the Santa Lucia Range east to the Gabilan Range.
Chorizanthe howellii is a species of flowering plant in the buckwheat family known by the common names Mendocino spineflower and Howell's spineflower. It is endemic to coastal Mendocino County, California, where it is known only from the sand dunes and coastal scrub near Fort Bragg. It is estimated that 95% of the remaining individuals of this plant are part of a single population growing at MacKerricher State Park. It is a federally listed endangered species.
Chorizanthe membranacea is a species of flowering plant in the buckwheat family known by the common name pink spineflower. It is native to Oregon and California, where it is widespread and in some areas quite common. It can be found in a wide variety of habitats.
Chorizanthe pungens is a species of flowering plant in the buckwheat family known by the common name Monterey spineflower. It is endemic to California, where it is known from the San Francisco Bay Area south along the Central Coast.
Chorizanthe rectispina is a species of flowering plant in the buckwheat family known by the common names prickly spineflower and straight-awned spineflower. It is endemic to California, where it is known from about twenty occurrences from Monterey to Santa Barbara Counties. It grows in dry habitat types such as chaparral and woodland in the hills of the Central Coast Ranges. It is a low, spreading plant with stems up to about 25 centimeters long, grayish to greenish in color and hairy in texture. The inflorescence is a cluster of flowers, each flower surrounded by six hairy bracts which are grayish to pink in color and tipped with awns. One bract is longer than the others and has a straight awn, and the other smaller bracts may have hooked awns. The tiny flower at the center of the bract array is a few millimeters wide and white and yellow in color.
Chorizanthe robusta is a species of flowering plant in the buckwheat family. It is endemic to California, where it is a rare, federally listed endangered species.
Chorizanthe watsonii is a species of flowering plant in the buckwheat family known by the common name Fivetooth Spineflower or Watson's Spineflower. They are an annual herb native to the western United States including Idaho, California, Oregon, Nevada, Utah, Washington and Arizona, namely the Mojave Desert which runs through many of them.
Bowiea is a genus of bulbous, perennial, succulent plants which thrive in dry and desert regions of eastern and southern Africa. It is native to a region stretching from Kenya to Cape Province. The genus contains a single species, Bowiea volubilis.
Rudbeckia californica is a species of flowering plant in the family Asteraceae, known by the common name California coneflower.
Silene scouleri is a species of flowering plant in the family Caryophyllaceae known by the common names simple campion and Scouler's catchfly.
Streptanthus insignis is an uncommon species of flowering plant in the mustard family known by the common names plumed jewelflower and San Benito jewelflower. It is endemic to California, where it is known only from the Inner Central Coast Ranges. It grows in grassland and chaparral habitat, usually on serpentine soils. It is an annual herb producing a hairy, bristly, branching stem up to about 60 centimeters long. The lance-shaped basal leaves are borne on short petioles. Leaves midway up the stem are longer, and those near the top are shorter. They sometimes clasp the stem at their bases. Flowers occur at intervals along the upper stem. The uppermost flowers are often sterile and different in form. Each fertile flower has a bell-shaped calyx of sepals which is purple or greenish-yellow depending on subspecies. The petals at the tip are purplish or yellowish, also depending on subspecies. The fruit is a flat, straight silique which may be over 11 centimeters long.
Chorizanthe aphanantha is a critically endangered species of flowering plant in the family Polygonaceae with the common name Irish Hills Spineflower. It is endemic to the Irish Hills in San Luis Obispo County California.
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