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Leaf whorls occur in some trees such as Brabejum stellatifolium and other species in the family Proteaceae (e.g., in the genus Banksia). In plants such as these, crowded internodes within the leaf whorls alternate with long internodes between the whorls. The morphology of most flowers (called cyclic flowers) is based on four types of whorls:
A stereotypical flower is made up of four kinds of structures arranged in whorls around the tip of a short stalk or axis, called a receptacle. [11] [2] The four main whorls (starting from the base of the flower or lowest node and working upwards) are the calyx, corolla, androecium, and gynoecium.
In the case that such a whorl is the androecium, the flowers are called male or staminate; while if the whorl present is the gynoecium, the flowers are called pistillate or female. There are some cases in which the flower does not present any of the reproductive whorls and only shows sepals and petals.
The flowers are wispy and inconspicuous. [4] [6] The plant flowers during the months of June and July. [7] It has a solitary flower with four narrow greenish filiform (threadlike) petals, four green petaloid sepals, eight golden yellow stamens, and a round purple to red ovary. The flower is borne above a single whorl of four leaves.
Whorls of the same organ are separated by "+". Organ counts within a whorl can be separated by ":", for example when part of the whorl is morphologically different. A range can be given if the number is variable, e.g. when the formula summarizes a taxon. K 3+3 – a calyx with six free sepals, arranged as two separate whorls; A∞ – many stamens
Merosity (from the greek "méros," which means "having parts") refers to the number of component parts in a distinct whorl of a plant structure. [1] The term is most commonly used in the context of a flower where it refers to the number of sepals in a whorl of the calyx, the number of petals in a whorl of the corolla, the number of stamens in a whorl of the androecium, or the number of carpels ...
The Four Gentlemen (Korean: 사군자; romaja: Sagunja), also translated as the Four Gracious Plants, were depicted in celadon pottery from the Goryeo period (918–1392). [3] As tastes changed within the Joseon period (1392–1897) and blue and white porcelains dominated the royal households, the level of the artistry of depictions in ceramics ...
He appeared before them nicely covered with yellow colored silken garments, with four hands like Vishnu, and carrying the different symbols of the club, the conchshell, the disc and the lotus flower. There were marks of golden lines on His chest, and the nipples of His breast appeared to be like the whorl of a lotus flower.