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Sonchus × Aemulus
''Sonchus'' is a genus of flowering plants in the tribe Cichorieae within the family Asteraceae and are commonly known as sow thistles (less commonly hare thistles or hare lettuces). Sowthistles are annual, biennial or perennial herbs, with or without rhizomes and a few are even woody (subgenus ''Dendrosonchus,'' restricted to the Canary Islands and Madeira). Description The genus is named after the Ancient Greece, Ancient Greek for such plants, σόγχος. All are characterized by soft, somewhat irregularly lobed leaves that clasp the stem and, at least initially, form a basal rosette. The Plant stem, stem contains a milky latex. Head (botany), Flower heads are yellow and range in size from half to one inch in diameter; the flower, florets are all of ray type. ''Sonchus'' fruits are single-seeded, dry and Dehiscence_(botany), indehiscent. Sow thistles are common roadside plants, and while native to Eurasia and tropical Africa, they are found almost worldwide in temperate regi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sonchus Oleraceus
''Sonchus oleraceus'' is a species of flowering plant in the tribe Cichorieae of the family Asteraceae, native species, native to Europe and Western Asia. It has many common names including common sowthistle, sow thistle, smooth sow thistle, annual sow thistle, puha (in New Zealand English, from Māori language, Māori ''pūhā''), hare's colwort, hare's thistle, milky tassel, milk thistle, and soft thistle. Its Binomial nomenclature, specific epithet means "vegetable/herbal". The common name 'sow thistle' refers to its attractiveness to pigs, and the similarity of the leaf to younger thistle plants. The common name 'hare's thistle' refers to its purported beneficial effects on hare and rabbits. Botanical characteristics This annual plant has a hollow, upright stem up to high. It prefers full sun, and can tolerate most soil conditions. The flowers are hermaphroditic flower, hermaphroditic, and common pollinators include bees and flies. It spreads by seeds being carried by wind ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Temperate
In geography, the temperate climates of Earth occur in the middle latitudes (approximately 23.5° to 66.5° N/S of the Equator), which span between the tropics and the polar regions of Earth. These zones generally have wider temperature ranges throughout the year and more distinct seasonal changes compared to tropical climates, where such variations are often small; they usually differ only in the amount of precipitation. In temperate climates, not only do latitude, latitudinal positions influence temperature changes, but various sea currents, prevailing wind direction, continentality (how large a landmass is) and altitude also shape temperate climates. The Köppen climate classification defines a climate as "temperate" C, when the mean temperature is above but below in the coldest month to account for the persistence of frost. However, some adaptations of Köppen set the minimum at . Continental climate, Continental climates are classified as D and considered to be varie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sonchus Asper
''Sonchus asper'', the prickly sow-thistle, rough milk thistle, spiny sowthistle, sharp-fringed sow thistle, or spiny-leaved sow thistle, is a widespread flowering plant in the tribe Cichorieae within the family Asteraceae. Description ''Sonchus asper'' is an annual or biennial herb sometimes reaching a height of with spiny leaves and yellow flowers resembling those of the dandelion. The leaves are bluish-green, simple, lanceolate, with wavy and sometimes lobed margins, covered in spines on both the margins and beneath. The base of the leaf surrounds the stem. The leaves and stems emit a milky sap when cut. One plant will produce several flat-topped arrays of flower heads, each head containing numerous yellow ray flowers but no disc flowers. Distribution ''Sonchus asper'' is native to Europe, North Africa, and western Asia. It has also become naturalized on other continents and is regarded as a noxious, invasive weed in many places. Its edible leaves make a palatable and nutr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sonchus Arvensis
''Sonchus arvensis'', the field milk thistle, field sowthistle, perennial sow-thistle, corn sow thistle, dindle, gutweed, swine thistle, or tree sow thistle, is a species of flowering plant in the family Asteraceae. ''S. arvensis'' often occurs in annual crop fields and may cause substantial yield losses. Description The plant grows up to in height, with leaves long and wide. It produces conspicuous yellow flowerheads about wide, which are visited by various types of insects—especially hoverflies of the genus '' Eristalis''. Distribution ''Sonchus arvensis'' is native to Eurasia, where it is widespread across most of the continent. It has also become naturalized in many other regions, and is considered an invasive noxious weed in some places, such as North America (including Prince Edward Island), Russia, New Zealand, and Australia. It grows in areas such as pastures, roadsides, bushlands and the shorelines of lakes, rivers and sea coast. A study conducted in 2003 has s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sonchus Arboreus
''Sonchus'' is a genus of flowering plants in the tribe Cichorieae within the family Asteraceae and are commonly known as sow thistles (less commonly hare thistles or hare lettuces). Sowthistles are annual, biennial or perennial herbs, with or without rhizomes and a few are even woody (subgenus ''Dendrosonchus,'' restricted to the Canary Islands and Madeira). Description The genus is named after the Ancient Greek for such plants, σόγχος. All are characterized by soft, somewhat irregularly lobed leaves that clasp the stem and, at least initially, form a basal rosette. The stem contains a milky latex. Flower heads are yellow and range in size from half to one inch in diameter; the florets are all of ray type. ''Sonchus'' fruits are single-seeded, dry and indehiscent. Sow thistles are common roadside plants, and while native to Eurasia and tropical Africa, they are found almost worldwide in temperate regions. Mature sow thistle stems can range from 30 cm to 2 m (1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sonchus Acaulis
''Sonchus acaulis'' is a plant species in the tribe Cichorieae within the family Asteraceae. It is found only on the Canary Islands of Gran Canaria and Tenerife. Description Perennial. Base woody. Leaves in a single large basal rosette Rosette is the French diminutive of ''rose''. It may refer to: Flower shaped designs * Rosette (award), a mark awarded by an organisation * Rosette (design), a small flower design *hence, various flower-shaped or rotational symmetric forms: ** R ... up to 1 m across; pinnatifid, wooly, with a pointy tip. Scape up to 1.5 m, without bracts. Inflorescence an umbellate group of flower heads. Peduncles with 1 to several heads, wooly. Involucral bracts broad, very densely white-tomentose. Heads about 2.5 cm across with numerous yellow ray flowers but no disc flowers.David Bramwell and Zoë Bramwell. Wild Flowers of the Canary Islands. Editorial Rueda, Madrid, España. 2001. Distribution ''Tenerife'': Widespread in forest and xerophytic zones, Sierra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plants Of The World Online
Plants of the World Online (POWO) is an online taxonomic database published by the Royal Botanic Gardens, Kew. History Following the Convention on Biological Diversity, the Royal Botanic Gardens in Kew launched Plants of the World Online in March 2017 with the goal of creating an exhaustive online database of all seed-bearing plants worldwide. (Govaerts wrongly speaks of "Convention for Botanical Diversity (CBD)). The initial focus was on tropical African flora, particularly flora ''Zambesiaca'', flora of West and East Tropical Africa. Since March 2024, the website has displayed AI-generated predictions of the extinction risk for each plant. Description The database uses the same taxonomical source as the International Plant Names Index, which is the World Checklist of Vascular Plants (WCVP). The database contains information on the world's flora gathered from 250 years of botanical research. It aims to make available data from projects that no longer have an online ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pappus (botany)
In Asteraceae, the pappus is the modified calyx_(botany), calyx, the part of an individual floret, that surrounds the base of the petal, corolla tube in flower. It functions as a dispersal mechanism for the achenes that contain the seeds. In Asteraceae, the pappus may be composed of bristles (sometimes feathery), awns, scales, or may be absent, and in some species, is too small to see without magnification. In genera such as ''Taraxacum'' or ''Eupatorium'', feathery bristles of the pappus function as a "parachute" which enables the seed to be carried by the wind. In genera such as ''Bidens'' the pappus has hooks that function in mechanical dispersal. The name derives from the Ancient Greek word ''pappos'', Latin ''pappus'', meaning "old man", so used for a plant (assumed to be an ''Erigeron'' species) having bristles and also for the woolly, hairy seed of certain plants. The pappus of the Taraxacum, dandelion plays a vital role in the wind-aided dispersal of its seeds. By cr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Taraxacum
''Taraxacum'' () is a genus of flowering plants in the family Asteraceae, which consists of species commonly known as dandelions. The scientific and hobby study of the genus is known as taraxacology. The genus has a near-cosmopolitan distribution, absent only from tropical and polar areas. Two of the most common species worldwide, ''Taraxacum officinale, T. officinale'' (the common dandelion) and ''Taraxacum erythrospermum, T. erythrospermum'' (the red-seeded dandelion), are European species introduced into North America, where they are non-native species, non-native. Dandelions thrive in temperate regions and can be found in yards, gardens, sides of roads, among crops, and in many other habitats. Like other members of the family Asteraceae, they have very small flowers collected together into a composite head (botany), flower head. Each single flower in a head is called a ''floret''. In part due to their abundance, along with being a generalist species, dandelions a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
