PERIANTHIUM Meaning and
Definition
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Perianthium is a botanical term that refers to the collective term for the whorls of floral parts that comprise the outer and inner envelopes of a flower, excluding the reproductive structures such as stamens and carpels. It includes both the calyx, which constitutes the outermost whorl, and the corolla, which forms the inner whorl.
The perianthium is composed of non-reproductive organs that serve to protect and attract pollinators to the flower. It can be further classified into two distinct regions: the sepals, which constitute the calyx, and the petals, which form the corolla. The sepals are typically greenish and occur in the outermost whorl of the perianthium. They are usually leaf-like structures that encase and protect the developing flower bud. The petals, on the other hand, are often brightly colored and occur in the inner whorl. They serve as an advertisement to attract pollinators such as insects or birds.
In some plant species, the sepals and petals may be indistinguishable, leading to a perianth composed of tepals. Tepals can be identical in shape, size, and color, making it difficult to distinguish between sepals and petals.
Overall, the perianthium plays a crucial role in the reproductive success of flowering plants by facilitating pollination through attracting and guiding potential pollinators towards the reproductive structures of the flower.
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In bot., the external floral whorls which surround the stamens and pistil-in this sense including calyx and corolla.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Common Misspellings for PERIANTHIUM
- oerianthium
- lerianthium
- -erianthium
- 0erianthium
- pwrianthium
- psrianthium
- pdrianthium
- prrianthium
- p4rianthium
- p3rianthium
- peeianthium
- pedianthium
- pefianthium
- petianthium
- pe5ianthium
- pe4ianthium
- peruanthium
- perjanthium
- perkanthium
- peroanthium
Etymology of PERIANTHIUM
The word "perianthium" comes from the combination of two Greek words: "peri" meaning "around" and "anthos" meaning "flower". In botanical terminology, perianthium refers to the collective term for the outer parts of a flower, including both the sepals and petals. The use of "peri-" suggests that the perianthium surrounds or encloses the reproductive parts of the flower.
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