Are Orontium and Cirsium both perennial plants?
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Orontium Orontium , sometimes called golden-club, is a genus of flowering plants in the family Araceae. The single living species in the genus is "Orontium aquaticum", while the two other described species, "Orontium mackii" and "Orontium wolfei", are known from fossils.
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Cirsium Cirsium is a genus of perennial and biennial flowering plants in the Asteraceae, one of several genera known commonly as thistles. They are more precisely known as plume thistles. These differ from other thistle genera ("Carduus", "Silybum" and "Onopordum") in having feathered hairs to their achenes. The other genera have a pappus of simple unbranched hairs.
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Villarsia Villarsia is a genus of aquatic flowering plants in the family Menyanthaceae. The genus is named for the French botanist Dominique Villars (1745–1814). "Villarsia" are wetland plants with basal leaves. The inflorescence is a branched panicle with numerous flowers. Flowers are five-parted, either yellow or white, and the petals are adorned with wings.
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Geum rossii Geum rossii is a species of flowering plant in the rose family known by the common names Ross' avens and alpine avens. It is native to North America where its distribution spans northern Canada and the high mountains of the western United States. It grows at high-latitude and high-elevation habitat, including the Arctic and in alpine climates. There are three varieties. One, var. "depressum", is endemic to Washington in the United States, where it is limited to the Wenatchee Mountains.
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Geranium retrorsum Geranium retrorsum is a species of "Geranium" known by the common name New Zealand geranium in the United States and common cranesbill in Australia. It is native to Australia but can be found on other continents as an introduced species which is often a noxious weed as well. This is a perennial herb growing generally erect to a maximum height approaching half a meter. The stems are green to reddish and have stiff hairs. The leaves are a few centimeters wide and divided into several segments which are further divided into small lobes. The small flowers are fuchsia to purple in color. The fruit has a straight style about a centimeter in length.
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Osteomeles Osteomeles is a genus of flowering plants in the rose family, Rosaceae. They are shrubs native to eastern Asia, with compound leaves, opposite leaf arrangement, and small pome fruit. The fruits of all species in this genus are edible.
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Utricularia olivacea Utricularia olivacea, the piedmont bladderwort, is a very small, annual suspended aquatic carnivorous plant that belongs to the genus "Utricularia". "Utricularia olivacea" is native to Central America, South America, the West Indies, and the eastern United States (coastal plain from Mississippi to New Jersey).
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Orthosiphon ferrugineus Orthosiphon ferrugineus is a species of flowering plant in the Lamiaceae family.
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Cirsium drummondii Cirsium drummondii, called Drummond’s thistle or dwarf or short-stemmed thistle, is a North American species of plants in the thistle tribe within the sunflower family. The species is native to central and western Canada, in every province from Ontario to British Columbia, plus the Northwest Territories. In the United States, it has been found only in the Black Hills of Wyoming and South Dakota.
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Cistus Cistus (from the Greek "kistos") is a genus of flowering plants in the rockrose family Cistaceae, containing about 20 species (Ellul "et al." 2002). They are perennial shrubs found on dry or rocky soils throughout the Mediterranean region, from Morocco and Portugal through to the Middle East, and also on the Canary Islands.
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Geranium cinereum Geranium cinereum (Ashy Cranesbill) is a small, semi-evergreen perennial plant usually grown for low ground cover or in rockeries.
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Cardoon The cardoon ("Cynara cardunculus"), also called the artichoke thistle is a thistle-like plant in the sunflower family. It is a naturally occurring species that includes the globe artichoke, and has many cultivated forms. It is native to the western and central Mediterranean region, where it was domesticated in ancient times.
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Erigeron pumilus Erigeron pumilus (shaggy fleabane, vernal daisy) is a hairy North American species of perennial plants in the (daisy family). It is widespread across much of western Canada and the western United States, from British Columbia east to Saskatchewan and south as far as Oklahoma and the San Bernardino Mountains of California. There have been reports of the plant growing in Yukon Territory, but these were based on misidentified specimens.
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Cinnamodendron corticosum Cinnamodendron corticosum is a species of flowering plant in the Canellaceae family. It is found in Jamaica.
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Coronopus Coronopus is a synonym for the accepted genus name "Lepidium". It was applied to some species of flowering plants in the cabbage and mustard family Brassicaceae known commonly as swinecress or wartcress. These are generally low spreading annual herbaceous plants with many long stems, deeply lobed leaves and small white flowers. They have a strong scent, smelling like garden cress, "Lepidium sativum", when crushed. "Lepidium squamatus" may be native to the Mediterranean but "Lepidium didymum" may be native to South America. Both species are widespread weedy introduced species in other areas.
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Orochaenactis Orochaenactis is a monotypic genus of flowering plants in the daisy family containing the single species Orochaenactis thysanocarpha, which is known by the common name California mountain pincushion. It is endemic to the southern Sierra Nevada of California, where it grows in the forests and meadows of the high mountains.
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Rheum webbianum Rheum webbianum is a species of herbaceous perennials plants in the family Polygonaceae.
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Constancea Constancea is a monotypic genus of flowering plants in the aster family containing the single species Constancea nevinii (formerly "Eriophyllum nevinii"), which is known by the common name Nevin's woolly sunflower. It is endemic to three of the Channel Islands of California, where it grows in coastal scrub habitat. This is a small shrub or subshrub generally growing up to one or 1.5 meters tall, and taller when in erect form, with a branching, woolly stem. The whitish, woolly oval leaves may be up to 20 centimeters long and are divided into many narrow lobes with edges curled under. The inflorescence is a cluster of 10 to 50 or more small flower heads, each on a short peduncle. The flower head has a center of hairy, glandular, star-shaped yellow disc florets and a fringe of four to nine yellow ray florets each about 2 millimeters long. The fruit is an achene a few millimeters long with a small pappus at the tip.
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Hedysarum hedysaroides Hedysarum hedysaroides, common name Alpine Sainfoin, is a perennial herb belonging to the family Fabaceae.
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Cirsium ownbeyi Cirsium ownbeyi is a rare North American species of flowering plant in the aster family known by the common name Ownbey's thistle. It is native to the United States, where it has a narrow distribution in northeast Utah, southwest Wyoming, and northwest Colorado. There are almost 30 known populations, with a total of over 25,000 individuals.
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Cicuta douglasii Cicuta douglasii (western water hemlock) is a poisonous plant in the family Apiaceae. It is a perennial plant that grows in wet places such as marshes, stream banks, slough margins, ditches, meadows, and wet pastures. The roots of this plant are thick and tuberous, with many smaller tubers coming from the main tuber. This root structure allows the water hemlock to adapt and survive wet conditions. Water hemlock is most abundant in British Columbia, and is indigenous to North America. In North America it primarily grows from the base of the Rocky Mountains to the Pacific coast, stretching all the way from Alaska down to California. Water necessities limit this plant from growing in open rangelands.
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Cirsium fontinale Cirsium fontinale or fountain thistle is a flowering perennial herb in the sunflower family. It is endemic to California. The "Cirsium" genus is commonly known as the "thistle" genus, "Cirsium" being the Greek word for 'thistle.'