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Trillium grandiflorum in the foreground and the smaller Thalictrum thalictroides in the background are both spring ephemerals of North American deciduous forests. An ephemeral plant is a plant with a very short life cycle or very short period of active growth, often one that grows only during brief periods when conditions are favorable.
Monocarpic plants are those that flower and set seeds only once, and then die. The term is derived from Greek (mono, "single" + karpos, "fruit" or "grain"), and was first used by Alphonse de Candolle. Other terms with the same meaning are hapaxanth and semelparous.
Plants that flower and fruit only once and then die are termed monocarpic or semelparous; these species may live for many years before they flower. [7] For example, a century plant can live for 80 years and grow 30 meters tall before flowering and dying. [ 8 ]
Several flowers, hundreds of which comprise the inflorescence. It produces a stemless cluster of long, rigid leaves which end in a sharp point. The leaves are 20–90 centimetres (8– 35 + 1 ⁄ 2 inches), [5] rarely to 125 cm (49 in), long and 0.7–2 cm (1 ⁄ 4 – 3 ⁄ 4 in) wide, and gray-green in color. The leaf edges are finely saw ...
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (/ ˌ æ n dʒ i ə ˈ s p ər m iː /). [5] [6] The term 'angiosperm' is derived from the Greek words ἀγγεῖον / angeion ('container, vessel') and σπέρμα / sperma ('seed'), meaning that the seeds are enclosed within a fruit.
Mimosa pudica (also called sensitive plant, sleepy plant, [citation needed] action plant, humble plant, touch-me-not, touch-and-die, or shameplant) [3] [2] is a creeping annual or perennial flowering plant of the pea/legume family Fabaceae. It is often grown for its curiosity value: the sensitive compound leaves quickly fold inward and droop ...
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Four different mechanisms of pollen release are known in papilionaceous flowers, which are respectively known as the explosive, valvular, piston and brush mechanisms. [7] In the explosive or tripping mechanism ( cf. alfalfa , common broom , ox-eye bean [ 8 ] ) all pollen is instantly released when pressure on the staminal column is permanently ...