| Xanthisma gracile | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Xanthisma |
| Species: | X. gracile |
| Binomial name | |
| Xanthisma gracile (Nutt.) D.R.Morgan & R.L.Hartm. | |
| Synonyms [1] | |
| |
Xanthisma gracile [2] is a species of annual flowering plant in the family Asteraceae known by the common names slender goldenweed [3] and annual bristleweed. [4]
It is native the southwestern United States and northern Mexico, where it grows in the deserts and plateaus.
It is a bristly annual herb growing erect up to 45 cm tall.
The oval or oblong leaves are 1–3 cm long and divided into lobes or teeth tipped with bristles.
The inflorescence bears one or more flower heads lined with pointed, roughly hairy phyllaries. The head has a center of many yellow disc florets and a fringe of 16 to 18 yellow ray florets roughly a centimeter long. The fruit is a woolly achene 2 to 3 millimeters long tipped with a pappus.
Xanthisma gracile has extra chromosomes that do not have any functional genes (B chromosomes), and about which little is known. [4]
Salvia mohavensis is a species of sage endemic to the Mojave Desert. It is a low rounded shrub growing to 1 m tall with small opposite evergreen leaves 1.5–2 cm long, which are dark green or may appear nearly gray due to a covering of fine white hairs. The 2 cm long flowers are pale blue with protruding stamens, and occur in headlike whorls that occur singly at the tip of the stem. It blooms from April to June.
Monoptilon bellioides, the desert star, also called Mojave desertstar, is a desert flowering plant in the family Asteraceae.
Camissonia campestris, is a flowering plant in the family Onagraceae, native to the Mojave Desert of the United States. It grows mostly on open, sandy flats, occurring from sea level to 2,000 m in the western and central part of the desert.
Layia platyglossa, commonly called coastal tidytips, is an annual wildflower of the family Asteraceae, native to western North America.
Coreopsis bigelovii is a species of flowering plant in the daisy or sunflower family, Asteraceae, with the common names Bigelow coreopsis and Bigelow's tickseed. It is endemic to California.
Psilostrophe cooperi is a flowering plant in the daisy family known by the common names Cooper's paper daisy and whitestem paperflower. It is native to the Mojave and Sonoran Deserts of California, the Southwestern United States, and northwestern Mexico.
Cleomella arboreasyn. Peritoma arborea, is a perennial shrub or bush in the spiderflower family (Cleomaceae) known by the common names bladderpod, bladderpod spiderflower and burro-fat. It has yellow flowers in bloom all months of the year. It emits a foul odor to discourage herbivory from insects.
Eriophyllum mohavense, also known as the Mojave woolly sunflower or the Barstow woolly sunflower, is a rare species of small annual flowering plant in the family Asteraceae, found only (endemic) in the Mojave Desert of California.
Rafinesquia neomexicana is a species of flowering plant in the family Asteraceae. Common names include desert chicory, plumeseed, or New Mexico plumeseed. It has white showy flowers, milky sap, and weak, zigzag stems, that may grow up through other shrubs for support. It is an annual plant found in dry climate areas of the southwestern deserts of the US and northwestern deserts of Mexico.
Arida arizonica,, is an annual plant in the, known by the common names arid tansyaster, desert tansyaster, and Silver Lake daisy. It is native to the very arid deserts of northern Mexico and the southwestern United States, and usually looks straggly and not very attractive. But in years with very heavy rainfall, it fills out and becomes rounded and bush like.
Dieteria canascens is an annual plant or short lived perennial plant in the family Asteraceae, known by the common names hoary tansyaster and hoary-aster.
Menodora scabra is broom-like shrub in the Olive Family (Oleaceae), known by the common name rough menodora or broom twinberry. It is a popular desert garden plant.
Ericameria paniculata is a species of flowering plant in the sunflower family Asteraceae, native to the southwestern United States. It is an evergreen yellow-flowered desert shrub.
Ambrosia salsola, commonly called cheesebush, winged ragweed, burrobush, white burrobrush, and desert pearl, is a species of perennial shrub in the family Asteraceae native to deserts of the southwestern United States and northwestern Mexico.
Acmispon rigidus, synonyms Lotus rigidus and Ottleya rigida, is a flowering plant in the pea family (Fabaceae), native to the southwestern United States and northwestern Mexico. It is known as shrubby deervetch or desert rock-pea. It is found in the Mojave Desert and Sonoran Desert.
Acmispon strigosus, synonyms Lotus strigosus and Ottleya strigosa, is a flowering plant in the pea family (Fabaceae), native to the southwestern United States and northern Mexico. It is known as stiff-haired lotus or strigose bird's-foot trefoil.
Funastrum cynanchoides, also known as fringed twinevine, twining milkweed or climbing milkweed, is a perennial plant in the family Apocynaceae that grows twining through other plants in the Mojave Desert and Sonoran Desert. It has milky sap and smells pungent. It is similar to Funastrum hirtellum.
Syntrichopappus fremontii, is a small annual plant in the family(Asteraceae. It has yellow flower heads and grows in the Mojave Desert, to Utah and northwestern Arizona.
Deiandra arida, also called Red Rock tarplant, is a rare California annual plant in the family Asteraceae.
Cuscuta denticulata, commonly known as desert dodder or small-toothed dodder, is a thin, yellow to orange, parasitic annual vine in the morning glory family (Convulvulaceae), native to the deserts of the south-western United States and northern Mexico.
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