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Scolymus
''Scolymus'' is a genus of annual, biennial or perennial, herbaceous plants that is assigned to the family Asteraceae, and can be found in Macaronesia, around the Mediterranean, and in the Middle East. All species are spiny, thistle-like in appearance, with flowerheads that consist of yellow (rarely orange or white) ligulate florets, and canals that contain latex. It is known as سكوليمس (skwlyms) in Arab, scolyme in French, and is sometimes called golden thistle or oyster thistle in English. Description The species of ''Scolymus'' are spiny herbaceous annuals, biennials or perennials of up to 1¾ m high, that contain a milky latex. These have twenty chromosomes (2n=20). Root, stem and leaves Biannual and perennial plants produce a stout taproot of up to 8 cm in diameter and 60 cm long. Young plants consist of a rosette of leaves, which may be variegated, once-pinnately spiny-lobed, to 30 cm long, and having short, fleshy stalks. The stems can be si ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Scolymus Maculatus
''Scolymus maculatus'' is a spiny annual plant in the family Asteraceae, native to the Mediterranean region in southern Europe, southwest Asia, and northern Africa, and also the Canary Islands. It has pinnately incised prickly leaves and prickly wings along the stems, both with a white marginal vein. The yellow flowerheads stand solitary or with a few together at the tip to the stems, and subtended by more than five leaflike bracts. The plant is known as scolyme taché in French, cardogna macchiata in Italian, cardo borriquero in Spanish, and escólimo-malhado in Portuguese, חוח עקוד in Hebrew and سنارية حولية in Arabic. In English it is called spotted golden thistle or spotted oyster thistle. Description ''Scolymus maculatus'' is a spiny herbaceous annual, biennials or perennials of up to 1½ m high, that contains a milky latex. It has twenty chromosomes (2n=20). Root, stem and leaves The stems carry uninterrupted spiny wings along their lengths. The w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Scolymus Grandiflorus
''Scolymus grandiflorus'' is a spiny annual or biennial plant in the family Asteraceae, native to the Mediterranean region. With up to 75 cm high stems, it is the smallest of the species of ''Scolymus''. Its stems are lined with uninterrupted spiny wings. It also has the largest flowerheads in the genus, of approximately 5 cm wide. It has yellow, sometimes yolk-yellow ligulate florets. Its vernacular name in Maltese is ''xewk isfar kbir'', meaning "large yellow fin", ''cardogna maggiore'' in Italian, ''scoddi'' on Sicily, and scolyme à grandes fleurs in French. Description ''Scolymus grandiflorus'' is a spiny herbaceous annual or biennial of up to ¾ m high, that contains a milky latex. It has twenty chromosomes (2n=20). Root, stem and leaves The stems carry uninterrupted spiny wings along their lengths. The rosette leaves are usually 10-16, exceptionally up to 24 cm long and ovate to oblong in shape, pinnately incised, with a wavy, spiny and dentate ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Scolymus Hispanicus
''Scolymus hispanicus'', the common golden thistle or Spanish oyster thistle, is a flowering plant in the genus ''Scolymus'' in the family Asteraceae, native to southern and western Europe, north to northwestern France. It is a herbaceous biennial or short-lived perennial plant growing to 80 cm tall, with spiny stems and leaves. The flowerheads are bright yellow to orange-yellow, 2–3 cm diameter Uses Since at least the time of Theophrastus in ancient Greece, this plant has been known for medicinal and culinary uses. Although it has been cultivated at times, currently most of the plant which is consumed comes from harvesting wild plants. It is very popular in almost every province of Spain, where it is usually eaten in stews during spring. It is also used in salads and soups, and it is served with scrambled eggs in Extremadura and Andalusia, Spain, where it is called ''tagarnina''. In the sixteenth century in Salamanca, the washed young plants used to be eaten with the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gundelia
''Gundelia'' is a low to high (20–100 cm) thistle-like perennial herbaceous plant with latex, spiny compound inflorescences, reminiscent of teasles and eryngos, that contain cream, yellow, greenish, pink, purple or redish-purple disk florets. It is assigned to the family Asteraceae. Flowers can be found from February to May. The stems of this plant dry-out when the seeds are ripe and break free from the underground root, and are then blown away like a tumbleweed, thus spreading the seeds effectively over large areas with little standing vegetation. This plant is native to the eastern Mediterranean and the Middle-East. Opinions differ about the number of species in ''Gundelia''. Sometimes the genus is regarded monotypic, ''Gundelia tournefortii'' being a species with a large variability, but other authors distinguish up to nine species, differing in floret color and pubescence. Young stems are cooked and eaten in the Middle-East and are said to taste like a combination of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carl Linnaeus
Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the modern system of naming organisms. He is known as the "father of modern taxonomy". Many of his writings were in Latin; his name is rendered in Latin as and, after his 1761 ennoblement, as . Linnaeus was born in Råshult, the countryside of Småland, in southern Sweden. He received most of his higher education at Uppsala University and began giving lectures in botany there in 1730. He lived abroad between 1735 and 1738, where he studied and also published the first edition of his ' in the Netherlands. He then returned to Sweden where he became professor of medicine and botany at Uppsala. In the 1740s, he was sent on several journeys through Sweden to find and classify plants and animals. In the 1750s and 1760s, he continued to collect an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pappus (flower Structure)
In Asteraceae, the pappus is the modified calyx, the part of an individual floret, that surrounds the base of the corolla tube in flower. It functions as a wind-dispersal mechanism for the seeds. The term is sometimes used for similar structures in other plant families e.g. in certain genera of the Apocynaceae, although the pappus in Apocynaceae is not derived from the calyx of the flower. 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. 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 dandelion plays a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rembert Dodoens
Rembert Dodoens (born Rembert Van Joenckema, 29 June 1517 – 10 March 1585) was a Flemish physician and botanist, also known under his Latinized name Rembertus Dodonaeus. He has been called the father of botany. Life Dodoens was born Rembert van Joenckema in Mechelen, then the capital of the Spanish Netherlands in 1517. His parents were Denis van Joenckema (d. 1533) and Ursula Roelants. The van Joenckema family and name are Frisian in origin. Its members were active in politics and jurisprudence in Friesland and some had moved in 1516 to Mechelen. His father was one of the municipal physicians in Mechelen and a private physician to Margaret of Austria, Governor of the Netherlands, in her final illness. Margaret of Austria's court was based in Mechelen. Rembert later changed his last name to Dodoens (literally "Son of Dodo", a form of his father's name, Denis or Doede). He was educated at the municipal college in Mechelen before beginning his studies in medicine, cosmogra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carolus Clusius
Charles de l'Écluse, L'Escluse, or Carolus Clusius (19 February 1526 – 4 April 1609), seigneur de Watènes, was an Artois doctor and pioneering botanist, perhaps the most influential of all 16th-century scientific horticulturists. Life Clusius was born Charles de l' Écluse in 1526, in Arras (Dutch ''Atrecht''), then in the County of Artois, Spanish Netherlands, now northern France (Hauts-de-France). At the urging of his father, who wanted him to enter the law, he commenced his studies in Latin and Greek at Louvain, followed by civil law. His father then gave him some money to move to Marburg to further his legal studies, but after eight months when his mentor moved away from Marburg he switched to theology, initially at Marburg and then on the suggestion of one of his professors at Wittenberg, where he also began a study of philosophy. Even at Marburg he had also developed an interest in plants that he continued in Wittenberg. Aware of the emerging study of botany, he deci ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Warionia
''Warionia'' is a genus in the tribe Cichorieae within the family Asteraceae. The only known species is ''Warionia saharae'', an endemic of Algeria and Morocco, and it is locally known in the Berber language as afessas, abessas or tazart n-îfiss. It is an aromatic, thistle-like shrub of ½–2 m high, that contains a white latex, and has fleshy, pinnately divided, wavy leaves. It is not thorny or prickly. The aggregate flower heads contain yellow disk florets. It flowers from April till June. Because ''Warionia'' is deviant in many respects from any other Asteraceae, different scholars have placed it hesitantly in the Cardueae, Gundelieae, Mutisieae, but now genetic analysis positions it as the sister group to all other Cichorieae. Description ''Wariona'' is an aromatic shrub, usually between ½–2 m, occasionally only 15 cm or up to 3 m high, that has a network of latex-carrying canals throughout the plant with sticky, white, milky latex. It also has oil ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Receptacle (botany)
In botany, the receptacle refers to vegetative tissues near the end of reproductive stems that are situated below or encase the reproductive organs. Angiosperms In angiosperms, the receptacle or torus (an older term is thalamus, as in Thalamiflorae) is the thickened part of a stem (pedicel) from which the flower organs grow. In some accessory fruits, for example the pome and strawberry, the receptacle gives rise to the edible part of the fruit. The fruit of ''Rubus'' species is a cluster of drupelets on top of a conical receptacle. When a raspberry is picked, the receptacle separates from the fruit, but in blackberries, it remains attached to the fruit. — In the Daisy family (Compositae or Asteraceae), small individual flowers are arranged on a round or dome-like structure that is also called receptacle. Algae and bryophyta In phycology, receptacles occur at the ends of branches of algae mainly in the brown algae or Heterokontophyta in the Order Fucales. They are spec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Indehiscent
Dehiscence is the splitting of a mature plant structure along a built-in line of weakness to release its contents. This is common among fruits, anthers and sporangia. Sometimes this involves the complete detachment of a part; structures that open in this way are said to be dehiscent. Structures that do not open in this way are called indehiscent, and rely on other mechanisms such as decay or predation to release the contents. A similar process to dehiscence occurs in some flower buds (e.g., ''Platycodon'', ''Fuchsia''), but this is rarely referred to as dehiscence unless circumscissile dehiscence is involved; anthesis is the usual term for the opening of flowers. Dehiscence may or may not involve the loss of a structure through the process of abscission. The lost structures are said to be caducous. Association with crop breeding Manipulation of dehiscence can improve crop yield since a trait that causes seed dispersal is a disadvantage for farmers whose goal is to collect ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ovary (botany)
In the flowering plants, an ovary is a part of the female reproductive organ of the flower or gynoecium. Specifically, it is the part of the pistil which holds the ovule(s) and is located above or below or at the point of connection with the base of the petals and sepals. The pistil may be made up of one carpel or of several fused carpels (e.g. dicarpel or tricarpel), and therefore the ovary can contain part of one carpel or parts of several fused carpels. Above the ovary is the style and the stigma, which is where the pollen lands and germinates to grow down through the style to the ovary, and, for each individual pollen grain, to fertilize one individual ovule. Some wind pollinated flowers have much reduced and modified ovaries. Fruits A fruit is the mature, ripened ovary of a flower following double fertilization in an angiosperm. Because gymnosperms do not have an ovary but reproduce through double fertilization of unprotected ovules, they produce naked seeds that do not ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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