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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]
Several species are grown as ornamental plants for their attractive glossy foliage, and a few produce edible fruits called roseapples that are eaten fresh or used in jams and jellies. The most economically important species, however, is the clove Syzygium aromaticum , of which the unopened flower buds are an important spice .
'The Diablo' reaches 75 cm with flowers of 5 cm intense orange red. 'The Polidor' reaches 75 cm and bears semi-double flowers in shades of golden yellow, orange and red. 'The Sunny Red' and 'Sunny Gold' have single flowers on stocky plants at 35 cm. 'The Sunset' reaches 90 cm. It bears double or semi-double flowers in shades of red or scarlet ...
Blue lily may refer to the following plant species: Agapanthus praecox, native to South Africa and widely cultivated; Nymphaea caerulea (Blue Egyptian water lily or sacred blue lily), native to East Africa and widely cultivated; Nymphaea violacea, a species of waterlily native to northern Australia; Stypandra glauca (nodding blue lily), native ...
Atop the branches of the thick stem are spherical inflorescences of 50 to 100 small flowers. Each flower has a throat opening into a spreading corolla which may be white, pink, lavender, or light blue. The stamens protrude slightly from the flower's mouth and are white with white, blue, or pink anthers. The plant attracts bees and butterflies.
The fruit is 2–7 mm wide and generally enclosed by the calyx. The fruit itself is spherical to ovoid in shape. It is also hairy. The seeds are ovoid, smooth, wrinkled or pitted. At one end there is a colorless, conic appendage.
Iris spuria, or blue flag, is a species of the genus Iris, part of the subgenus Limniris and the series Spuriae. It is a rhizomatous perennial plant, from Europe, Asia and Africa. It has purple or lilac flowers, and slender, elongated leaves. It is widely cultivated as an ornamental plant in temperate regions and hybridized for use in the garden.
The flowers are bell-shaped, white, pale pink or red, sometimes tinged greenish. The fruit is a berry 5–16 mm (3 ⁄ 16 – 5 ⁄ 8 in) in diameter with a flared crown at the end; they are pale greenish at first, then reddish-purple, and finally uniformly blue when ripe. [5]