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The name hexafoil is sometimes also used to refer to a different geometric design that is used as a traditional element of Gothic architecture, [21] created by overlapping six circular arcs to form a flower-like image. [22] [23] The hexafoil design is modeled after the six petal lily, for its symbolism of purity and relation to the Trinity. [24]
At the top of the stem the flowers are arranged in a raceme, with the youngest flowers at the top. The flowers are in clusters of 1-3 and are a striking lilac blue to deep blue-purple colour. The flowers form a star-like shape made up of 6 petals between 6–9 mm (0.24–0.35 in) long, after flowering the petals become spirally twisted. [1]
From centre outwards: Trilocular ovary, 6 stamens, 6 tepals. Ornithogalum umbellatum, the garden star-of-Bethlehem, grass lily, nap-at-noon, or eleven-o'clock lady, a species of the genus Ornithogalum, is a perennial bulbous flowering plant in the asparagus family (Asparagaceae).
In most species, each flower consists of five petal-like sepals which grow together to form a hollow pocket with a spur at the end, which gives the plant its name, usually more or less dark blue. Within the sepals are four true petals , small, inconspicuous, and commonly coloured similarly to the sepals.
Iris versicolor or Iris versicolour is also commonly known as the blue flag, harlequin blueflag, larger blue flag, northern blue flag, [2] and poison flag, plus other variations of these names, [3] [4] and in Great Britain and Ireland as purple iris. [5] It is a species of Iris native to North America, in the Eastern United States and Eastern ...
In a mature flower, the perianth consists of a calyx and the corolla (petals) it supports. Petals are modified leaves that form an inner whorl surrounding the reproductive parts of flowers. They are often brightly coloured or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the corolla.
The flowers are most commonly an intense blue colour and arranged in flowerheads (capitula) of 1.5–3 cm diameter, with a ring of a few large, spreading ray florets surrounding a central cluster of disc florets. The blue pigment is protocyanin, which in roses is red. [5] Fruits are approx. 3.5 mm long with 2–3 mm-long pappus bristles. [6]
The sepals come to a shallow point. Its flowers have 6 petals in two whorls of 3. The outer petals are 13 centimeters long (occasionally as much as seven inches (17 centimeters) in length) [3] and 12 millimeters wide. The inner surface of the outer petals have brown hairs. The inner petals are 15 by 15 millimeters. Its anthers are 2 millimeters ...