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The corolla is gametopetalous, the five petals may be joined forming a tube with 4 or 5 lobes (in the flower called tubulose flower or floret, or two groups of petals joined (in the case of bilabiated flowers, with an upper lip formed by 2 petals and a lower lip formed by 3 petals), or they can present a short tube and the limb prolonged ...
Floral diagram of Anagallis arvensis. [1]: 307 The dot represents the main axis, green structure below is the subtending bract.Calyx (green arcs) consists of five free sepals; corolla (red arcs) consists of five fused petals.
The ancient Greeks, as recorded in Euripides's play The Phoenician Women, placed a crown of flowers on the head of the deceased; [145] they also covered tombs with wreaths and flower petals. Flowers were widely used in ancient Egyptian burials, [146] and the Mexicans to this day use flowers prominently in their Day of the Dead celebrations [147 ...
K5 [C(5) A5] G (5) Floral formula of Anagallis arvensis. [1]: 307 Polysymmetric flower. The perianth consists of 5 free sepals and 5 joined petals, which are fused with androecium. The flower is bisexual, it contains 5 stamens, the pistil is fused of five carpels, and the ovary is inferior.
ABC model of flower development guided by three groups of homeotic genes. The ABC model of flower development is a scientific model of the process by which flowering plants produce a pattern of gene expression in meristems that leads to the appearance of an organ oriented towards sexual reproduction, a flower.
The flowers usually have five (occasionally 4, 6 or 7) pale to mid violet-blue petals fused together into a bell shape, about 12–30 mm (15 ⁄ 32 – 1 + 3 ⁄ 16 in) long and five long, pointed green sepals behind them. Plants with pale pink or white flowers may also occur. [6] The petal lobes are triangular and curve outwards.
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In some flowers, a tube or cup-like hypanthium (floral tube) is formed above or around the ovary and bears the sepals, petals, and stamens. There may also be a nectary producing nectar. Nectaries may develop on or in the perianth, receptacle, androecium (stamens), or gynoecium. In some flowers nectar may be produced on nectariferous disks.