samara fruit examples

; The seed can be on one side, with the wing extending to the other side, making the seed self rotate it falls. Ash trees (Fraxinus spp.)

Sometimes accessory parts form the wings—for example, the bracts (small green leaflike structures that grow just … Only you will see it until the Cambridge Dictionary team approves it, then other users will be able to see it and vote on it.Clear explanations of natural written and spoken English.Click on the arrows to change the translation direction.0 && stateHdr.searchDesk ? A samara is an achene, a type of dry winged botanical fruit. The shape of a samara enables the wind to carry the seed farther away than regular seeds from the parent tree, and is thus a form of anemochory. One familiar type of samara is the double-winged one found on maple trees (Acer spp.). A samara is a dry indehiscent fruit with a casing or wall that extends to one side in a wing-like shape – in some plants the wing extends to both sides of the seed. 'pa pdd chac-sb tc-bd bw hbr-20 hbss lpt-25' : 'hdn'">.Add the power of Cambridge Dictionary to your website using our free search box widgets.Browse our dictionary apps today and ensure you are never again lost for words.The word in the example sentence does not match the entry word.The terminal velocity and dispersal of spinning samaras.A few samaras in the traps had beak marks and were torn open by parrots.Presence of an insect larva, pupa, adult, or exit hole on a.This pattern suggests that the distributions of trees with the small- and large-winged samaras are skewed into the groups with small and large trees, respectively.However, no immature seeds extracted from samaras stored moist for periods up to 7 d survived desiccation to 4-5% moisture content.Figure 5 shows the frequency distribution for the aspect ratios of the largewinged samaras and seeds.For samaras shredded into pieces, we counted the number of peduncles in the collection.Post-dispersal seed predation by ground-dwelling mammals was quantified by counting tornopen samaras.Mature samaras were picked from the trees when natural shedding had begun.Applying for a job or handing in your notice: collocations for work (1). In fruit: Wind dispersal …in maple, is called a samara. The classic examples of these dispersal mechanisms, in the temperate northern hemisphere, include dandelions, which have a feathery pappus attached to their seeds and can be dispersed long distances, and maples, which have winged seeds (samaras) and flutter to the ground. A samara is a simple dry fruit and indehiscent (not opening along a seam). Elm trees (Ulmus spp.) A samara (, UK also: ) is a winged achene, a type of fruit in which a flattened wing of fibrous, papery tissue develops from the ovary wall.In some cases the seed is in the centre of the wing, as in the elms (genus Ulmus), the hoptree (Ptelea trifoliata), and the bushwillows (genus Combretum).The fruit is a round wind-dispersed samara flushed with chlorophyll, facilitating photosynthesis before the leaves emerge.The shape of a samara enables the wind to carry the seed farther away than regular seeds from the parent tree, and is thus a form of anemochory.The classic examples of these dispersal mechanisms, in the temperate northern hemisphere, include dandelions, which have a feathery pappus attached to their seeds and can be dispersed long distances, and maples, which have winged seeds (samaras) and flutter to the ground.A winged achene, such as in maple, is called a samara.The fruit is a round wafer-like papery samara, across, light brown, and two-seeded.In other cases the seed is on one side, with the wing extending to the other side, making the seed autorotate as it falls, as in the maples (genus Acer) and ash trees (genus Fraxinus).The maples have easily recognizable palmate leaves and distinctive winged fruits.The seeds, popularly known as "keys" or "helicopter seeds", are a type of fruit known as a samara.A samara is sometimes called a key and is often referred to as a wingnut, helicopter or whirlybird, whirligig, polynose, or, in the north of England, a spinning jenny.Some species that normally produce paired samaras, such as Acer pseudoplatanus, also produce them in groups of 3 or 4.The winged seeds or samaras are borne in pairs and twirl to the ground when ripe.Ulmus elliptica Koch (named for the elliptic samara ) is a disputed species of elm, native to the Caucasus, where Koch reported (1849, 1872) that it formed extensive woods, and ranging north to southern Ukraine.The concept is similar to the whirling helicopter seeds that fall from some trees.The fruit is a small samara, although the wings may be obscure in some species.Traditionally believed to be a cultivar of the Wych Elm U. glabra, its fastigiate shape when young, upward-curving tracery, small samarae and leaves, late leaf-flush and late leaf-fall, taken with its south-west England provenance, suggest a link with the Cornish Elm, which shares these characteristics.In Panama it flowers from April to June, the flowers contain only four ovules, but normally only one of these reaches maturity forming a winged seed pod around 10 cm long and weighing 2 g. During the dry season around a year after the flowers are fertilised, the seeds are dispersed by the wind and the tree loses it leaves.Acer stewarti is an extinct maple species in the family Sapindaceae described from a series of fossil leaves and samaras.The samarae are usually orbicular, < 13 mm in diameter.Acer rousei is an extinct maple species in the family Sapindaceae described from a series of isolated fossil samaras.Acer toradense is an extinct maple species in the family Sapindaceae described from two fossil samaras.Acer stonebergae is an extinct maple species in the family Sapindaceae described from two fossil samaras.Textile manufacture during the British Industrial Revolution. samara definition: Samara is the sixth largest city in Russia. When fruits have several wings on their sides, rotation may result, as in rhubarb and dock species. Examples of how to use “samara” in a sentence from the Cambridge Dictionary Labs A samara (/ s ə ˈ m ɑːr ə /, UK also: / ˈ s æ m ər-/) is a winged achene, a type of fruit in which a flattened wing of fibrous, papery tissue develops from the ovary wall.

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