The term
perianth has two similar but separate meanings in botany: In flowering plant s, the
perianth consists of the calyx (all sepal s
Kaynak: PerianthTepals are elements of the
perianth , or outer part of a flower , which includes the petal s or sepal s. segments of the
perianth are of
Kaynak: TepalThe calyx (all of the sepals) and the corolla together make up the
perianth . The role of the corolla in plant evolution has been
Kaynak: Petalcalices, the sepals) and the corolla (the petals) are the outer sterile whorls of the flower, which together form what is known as the
perianthKaynak: SepalFloral symmetry refers to whether, and how, a flower , in particular its
perianth , can be divided into two or more identical or mirror-
Kaynak: Floral symmetryIt marks the opening of the
perianth at maturity for the purpose of fertilization (as in most flowers). A flower which is chasmogamous
Kaynak: ChasmogamyIn botany, the
perianth of a flower, the perigonium. In Greek mythology, Perigune In zoology, part of the gonophore of a Hydroid
Kaynak: Perigoneboth
perianth and corona identical in color and shade—or the colors between the
perianth and corona may differ widely. Some
perianths and
Kaynak: Narcissus (plant)in flowering plants, ring of tissue arising from the corolla or
perianth of a flower and standing between the
perianth lobes and the
Kaynak: Glossary of botanical termsThe
perianth ranges from pink to purple. Flowering is followed by woody seed capsules which are 2 to 3.5 cm long and 1 to 2 cm wide.
Kaynak: Hakea petiolarisgynoecium is the innermost whorl of structures and is surrounded by the androecium (stamens) and then by the
perianth (all the petals and sepals).
Kaynak: GynoeciumIn Banksia species, for example, anthesis involves the extension of the style far beyond the upper
perianth parts. style and
perianth are
Kaynak: AnthesisThe
perianth limb is horizontal until anthesis , at which point the
perianth opens from underneath. The pollen -presenter is ovoid or
Kaynak: Banksia ser. SpicigeraeWhen the
perianth is bisected through the central axis from any point, symmetrical halves are produced, forming a radial symmetry .
Kaynak: FlowerPlants usually with numerous rosettes;
perianth tube 3–5 mm. Southern California only. Agave deserti var. simplex (Gentry ) W.C.Hodgson &
Kaynak: Agave desertiThere are six papery
perianth segments, with the inner shorter than the outer. The anthers are oblong and apiculate and the ovaries are
Kaynak: Willdenowia (genus)The outer
perianth segments are linear, green, and tipped by an areole like those of the tube and ovary. The inner
perianth segments are
Kaynak: Leptocereus grantianusenclosed in a bract rather than in sepals; the
perianth parts are undifferentiated and called tepals rather than distinct sepal s and petal s.
Kaynak: MagnoliaThe poorly differentiated
perianth parts that occupy both positions are known as tepal s. The family has approximately 219 species in 7
Kaynak: Magnoliaceae