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In some species, however, the flowers are unisexual with only carpels or stamens. (monoecious = both types of flowers found on the same plant; dioecious = the two types of flower found only on different plants). A flower with only stamens is called androecious. A flower with only carpels is called gynoecious. A pistil consists of one or more ...
Each flower is either staminate (having only functional stamens and thus male), or carpellate or pistillate (having only functional carpels and thus female). If separate staminate and carpellate flowers are always found on the same plant, the species is described as monoecious.
The number of stamens in each flower is a highly variable character. Some species of the euphorbiaceae family have flowers with only one stamen (they are called monanders), the oleaceae have two stamens (flowers dianders) and in the myrtaceae there are numerous (they are polyanders). The number of stamens may or may not be equal to the number ...
Other flowers have modified petal-like stamens; the double flowers of peonies and roses are mostly petaloid stamens. [22] Many flowers have symmetry. When the perianth is bisected through the central axis from any point and symmetrical halves are produced, the flower is said to be actinomorphic or regular. This is an example of radial symmetry.
The flowers are unisexual, with the two kinds borne on separate plants (i.e. the species are dioecious). The staminate ("male") flowers are arranged in short panicles. Each flower basically consists only of two stamens. [3] The carpellate ("female") flowers are arranged in thyrses (spike-like structures).
A red spider lily flower in full-bloom A girl with a bouquet of red spider lily flowers. Lycoris radiata is a bulbous perennial with showy, bright-red flowers. When in full bloom, spindly stamens, likened to the image of spider legs, extend slightly upward and outward from the flower's center. [6]
The male flowers have 9 to 15 fertile stamens; the innermost circle of stamens can be found at the base of the stamen glands. Usually the stamens are longer than the anthers, which in turn consist of two chambers and are directed inwards or sideways. The vestigial ovary is negligible or absent. The base of the flower is small and flat.
The flowers have three stamens and a gynoecium of three united carpels and an inferior ovary, three locules and axile placentation with fruit that is a loculicidal capsule. [ 2 ] Crocus is an acaulescent (lacking a visible lower stem above ground) diminutive seasonal cormous (growing from corms ) herbaceous perennial geophytic genus. [ 3 ]