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Thysanocarpus curvipes is a species of flowering plant in the mustard family known by the common names sand fringepodand lacepod. It is native to western North America from British Columbia through the western United States to Baja California, where it grows in many types of habitat. It is a common plant in much of its range. It is variable in appearance. It is an annual herb producing a branching or unbranched stem 10 to 80 centimeters tall. The leaves are mostly lance-shaped but variable. The lower ones are sometimes borne on petioles and the upper ones may clasp the stem at their bases. They may be smooth-edged, toothed, or lobed. The inflorescence is a raceme of flowers with four white or purple-tinged petals and purple sepals. The fruit is a flattened, rounded or oval disclike capsule with a thin wing around the edge. The fruit is under a centimeter long and the wing is variable in appearance, flat or wavy, sometimes perforated.
Brassicaceae or Cruciferae is a medium-sized and economically important family of flowering plants commonly known as the mustards, the crucifers, or the cabbage family. Most are herbaceous plants, some shrubs, with simple, although sometimes deeply incised, alternatingly set leaves without stipules or in leaf rosettes, with terminal inflorescences without bracts, containing flowers with four free sepals, four free alternating petals, two short and four longer free stamens, and a fruit with seeds in rows, divided by a thin wall.
British Columbia is the westernmost province of Canada, located between the Pacific Ocean and the Rocky Mountains. With an estimated population of 5.016 million as of 2018, it is Canada's third-most populous province.
Baja California, officially the Free and Sovereign State of Baja California, is a state in Mexico. It is the northernmost and westernmost of the 32 Federal Entities of Mexico. Before becoming a state in 1952, the area was known as the North Territory of Baja California. It has an area of 70,113 km2 (27,071 sq mi), or 3.57% of the land mass of Mexico and comprises the northern half of the Baja California Peninsula, north of the 28th parallel, plus oceanic Guadalupe Island. The mainland portion of the state is bordered on the west by the Pacific Ocean, on the east by Sonora, the U.S. state of Arizona, and the Gulf of California, and on the south by Baja California Sur. Its northern limit is the U.S. state of California.
Callistephus is a monotypic genus of flowering plants in the aster family, Asteraceae, containing the single species Callistephus chinensis. Its common names include China aster and annual aster. It is native to China and Korea. and it is cultivated worldwide as an ornamental plant in cottage gardens and as a cut flower.
Microseris nutans is a species of flowering plant in the aster family known by the common name nodding microseris. It is native to western North America, including southwestern Canada and much of the western United States, including the Sierra Nevada in California, where it grows in many types of habitat.
Erigeron divergens is a species of flowering plant in the daisy family known by the common name spreading fleabane. It is native to western North America, including the western half of the United States, British Columbia and Alberta in Canada, and Baja California, Chihuahua, Durango, Nuevo León, and Sonora in Mexico.
Thysanocarpus is a small genus of plants in the mustard family known generally as fringepods or lacepods. These are small, erect annual herbs. The flat fruit capsule is generally round or oval-shaped with a wing that goes all the way around the pod, giving it a fringed look. The fruits hang from most of the length of the stem. The plants are native to the western United States.
Allium campanulatum is a species of wild onion known by the common name dusky onion or Sierra onion. This is a flowering plant native to the western United States from southeastern Washington and northern Oregon to southern California, and western Nevada. The dusky onion grows in foothills and mountains, especially in dry areas, such as chaparral habitats.
Fritillaria micrantha, known by the common names brown fritillary and brown bells, is a California species of fritillary in the lily family.
Heteranthera dubia is a species of aquatic plant known by the common names water stargrass and grassleaf mudplantain. It is native to North and Central America where it is widespread from Canada to Guatemala. It lives submersed in freshwater such as rivers and lakes. It is quite variable in appearance. The leaves are different sizes and shapes across individuals, partly genetic variation and partly response to water conditions, for example, the speed and turbulence of surrounding currents. Submersed individuals also have a different stem and leaf morphology from those that occur partially or completely out of the water. The inflorescence bears a single short-lived flower that blooms in the morning and wilts in the evening. It has six yellow perianth parts each less than a centimeter long spreading from a tubular throat one to seven centimeters long. There are three long, thick yellow stamens with curling anthers and one yellow style. The fruit is a capsule containing many winged seeds. The plant sometimes has galls in its tissue, which are caused by the parasitic fungus Membranosorus heterantherae.
Boechera sparsiflora is a species of rockcress known by the common names sicklepod rockcress and elegant rockcress. It is native to western North America from California to Utah to Yukon, where it can be found in a number of habitats. This is a coarsely hairy perennial herb growing one or more thick stems from a caudex. The stem may branch or not and it reaches up to 90 centimeters in maximum height. The leaves vary in shape from linear to arrowhead-like and may or may not have toothed edges. They are usually hairy and up to 8 or 10 centimeters long. The raceme inflorescence bears a number of flowers with spoon-shaped petals about a centimeter long in shades of purple or pink. The fruit is a large, curved silique 6 to 12 centimeters long
Cardamine nuttallii is a species of cardamine known by the common name Nuttall's toothwort. It is native to western North America from British Columbia to California, where it grows in moist mountain habitats.
Microseris douglasii is a species of flowering plant in the aster family known by the common name Douglas' silverpuffs. It is native to western North America from Oregon and California to Baja California. It grows in several types of habitat, including grassland and vernal pools, and on soils containing clay and serpentine.
Pyrrocoma racemosa is a species of flowering plant in the aster family known by the common name clustered goldenweed. It is native to the western United States, where it grows in many types of habitat. It is quite variable in morphology, and there are several varieties which are sometimes hard to tell apart. In general, it is a perennial herb usually producing two or more mostly erect stems reaching maximum heights between 15 and 90 centimeters. The stems are reddish or brownish in color, leafy or not, and hairless to quite woolly. The longest leaves are located in tufts around the base of the stems. They are lance-shaped to oval, smooth-edged, wavy, or deeply spine-toothed, and may exceed 30 centimeters in length. Basal leaves are borne on woolly petioles. Leaves located higher on the stem lack petioles and may clasp the stem at their bases. The inflorescence is a cluster of several flower heads lined with phyllaries which may be over a centimeter long and are hairy to hairless in texture. Each head contains many yellow disc florets and a fringe of several yellow ray florets. The fruit is an achene which may be over a centimeter long including its pappus.
Rorippa curvipes is a species of flowering plant in the mustard family known by the common name bluntleaf yellowcress. It is native to much of western North America from Alaska to Mexico to the Mississippi River, where it can be found in various types of moist and wet habitat, including lakeshores and riverbanks, meadows, roadsides, mudflats, and irrigation ditches. It is an annual or perennial herb, producing several stems growing prostrate along the ground or somewhat upright, measuring 10 centimeters to around half a meter in maximum length. The leaves are long and narrow, smooth edged or lobed, the lobes sometimes cut all the way to the midrib or separated to form leaflets. Lower leaves are borne on petioles; upper leaves have bases that clasp the stem. The mustardlike flowers have very small yellow petals. The fruit is a plump, hairless silique containing many minute seeds.
Rorippa curvisiliqua is a species of flowering plant in the mustard family known by the common name curvepod yellowcress.
Rumex pulcher is a species of flowering plant in the knotweed family known by the common name fiddle dock. It is native to Eurasia and North Africa and it can be found elsewhere, including parts of North America, as an introduced species and a roadside weed. Europe. It is quite variable in appearance, and some authorities divide it into several subspecies that are more or less distinguishable. In general, it is a perennial herb producing a slender, erect stem from a thick taproot, approaching 70 centimeters in maximum height. The top of the plant may bend, especially as the fruit develops. The leaves are up to 10 or 15 centimeters long and variable in shape, though often oblong with a narrow middle in the rough shape of a fiddle. The inflorescence is made up of many branches, each an interrupted series of clusters of flowers with up to 20 in each cluster, each flower hanging from a pedicel. The flower has usually six tepals, the inner three of which are edged with teeth and have tubercles at their centers.
Streptanthella is a monotypic genus of flowering plants in the mustard family containing the single species Streptanthella longirostris, which is known by the common name longbeak streptanthella, or simply streptanthella. It is native to western North America, where it occurs throughout the western United States and the northwestern states of Mexico. It grows in many types of habitat, including deserts, sagebrush, foothill woodlands, sandy flats, chaparral, and scrubby canyons. It is an annual herb producing a slender, erect, multibranched stem up to half a meter tall. The lower leaves are lance-shaped with a toothed or smooth edge and leaves higher on the plant are narrower, linear in shape, and less often toothed. The top of the stem is occupied by a long inflorescence which is an open raceme of many flowers. The top of the inflorescence bears the newest buds which are often purple in color. More mature flowers stud the stem at intervals below, each on a short pedicel. Flowers measure under a centimeter long. Each flower is enclosed in four thick sepals. At the tip are the spoon-shaped petals which are white to yellow with purple veining. The fruit is a long, dangling silique up to 7 centimeters in length containing flat, winged seeds.
Streptanthus glandulosus is a species of flowering plant in the mustard family known by the common name bristly jewelflower. It is native to California and southwestern Oregon, where it grows in many types of habitat, including grassland, chaparral, and woodlands. Genetic and other analyses indicate that it is a species complex with ten subspecies which evolved as populations were isolated from each other. The complex includes subspecies previously considered separate species, such as the rare Tiburon jewelflower endemic to the San Francisco Bay Area. Plants in the complex are variable. In general they are annual herbs growing 10 centimeters to over a meter in height. They may be hairless to hairy to bristly. The ephemeral basal leaves have blades borne on winged petioles. Leaves higher on the stem are linear to lance-shaped and clasp the stem at their bases. Flowers occur at intervals along the upper stem. Each flower has an urn-shaped calyx of sepals one half to over one centimeter long which can be most any color from white to yellowish to pink or purple to nearly black. Purple, white, or purple-veined white petals emerge from the tip. The fruit is a straight or curving silique up to 11 centimeters long.
Streptanthus tortuosus is a biennial or short lived perennial plant in the mustard family (Brassicaceae) known by the common names shieldplant, shieldleaf, and mountain jewelflower.
Thysanocarpus conchuliferus is a rare species of flowering plant in the mustard family known by the common name Santa Cruz Island fringepod. It is endemic to Santa Cruz Island, one of the Channel Islands of California, where has been recently observed at only one location; some years it is totally absent.
Thysanocarpus laciniatus is a species of flowering plant in the mustard family known by the common name mountain fringepod. It is native to California and Baja California, where it grows in many types of habitat. It is a common plant in much of its range. It is an annual herb producing a slender, branching or unbranched stem 10 to 60 centimeters tall. It is somewhat waxy in texture and generally lacks hairs. The leaves are linear to lance-shaped and smooth-edged or toothed. They measure up to 4 centimeters in length. The inflorescence is a raceme of small whitish or purplish flowers. The fruit is a flattened, rounded or oval disclike capsule with a thin wing around the edge.
Thysanocarpus radians is a species of flowering plant in the mustard family known by the common name ribbed fringepod. It is native to northern and central California and Oregon, where it grows in moist meadows, fields, hillsides, and other habitat. It is an annual herb growing up to 50 or 60 centimeters tall. The leaves are wavy-edged or lobed, the basal ones up to 5 centimeters long and ephemeral, and the upper ones with bases clasping the stem. The inflorescence is a long, open raceme of small whitish or purplish flowers. The fruit is a flattened, rounded, disclike capsule which hangs from its pedicel. It measures up to a centimeter long and is hairless to quite hairy in texture. The flat wing lining the edge of the disc is ribbed with rays like the spokes of a wheel, a characteristic making it easily distinguished from other Thysanocarpus when it is in fruit.
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