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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.
Rod-like; longer than wide. Compare cylindrical. barb A rear-facing point, as in a fish hook. barbed Having barb s pointing in one direction. barbellate Having barbed hairs (barbellae). bark The protective external layer of tissue on the stem s and root s of woody trees and shrubs; includes all of the living and non-living tissue external to ...
The generic name Paris is derived from the word pars, or equal, which refers to the symmetry of the plant and the multiples of four in which its foliage, flowers, and fruits grow. [3] [4] The specific epithet, polyphylla, means 'with many leaves'. [5] [6] It is also referred to as Ch'i Yeh I Chih Hua in China, meaning "seven-leaves-one-flower". [7]
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 ...
The dogwood bunchberry's flower opens its petals and fires pollen in less than 0.5 milliseconds. The record is currently held by the white mulberry tree, with flower movement taking 25 microseconds, as pollen is catapulted from the stamens at velocities in excess of half the speed of sound—near the theoretical physical limits for movements in ...
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 ...
Typically, there are 34 spirals in one direction and 55 in the other; however, in a very large sunflower head there could be 89 in one direction and 144 in the other. [11] [12] [13] This pattern produces the most efficient packing of seeds mathematically possible within the flower head. [14] [15] [16]
The leaf lasts one growing season. The peduncle (the primary flower stalk) can be long or short. As is typical of the Arum family, these species develop an inflorescence consisting of an elongate or ovate spathe (a sheathing bract) which usually envelops the spadix (a flower spike with a fleshy axis). The spathe can have different colors, but ...