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Papaveraceae are known for diverse and colorful flowers with distinctive sepals. The plants may be annual, biennial, or perennial. Usually herbaceous, a few species form shrubs or evergreen trees. All parts contain a well-developed system of latex ducts called "laticifers", that produce milky latex, a watery white, yellow or red juice.
In an indeterminate inflorescence there is no true terminal flower and the stem usually has a rudimentary end. In many cases the last true flower formed by the terminal bud (subterminal flower) straightens up, appearing to be a terminal flower. Often a vestige of the terminal bud may be noticed higher on the stem.
Below the corolla, the calyx consists of 3 lobes in the lateral flowers and just 2 in the terminal one. The lateral flowers usually have 5 petals. Fruits are formed in April to May in England. Each flower can develop 2-5 fruits, which are rather dry drupes, 4.5 - 5.55 mm in diameter, partially encased by the expanded, fleshy calyx. At this time ...
Aquilegia (common names: granny's bonnet, [2] columbine) is a genus of about 130 species [1] of perennial plants that are found in meadows, woodlands, and at higher elevations throughout the Northern Hemisphere, known for the spurred petals [3] of their flowers.
The fragrant, white, terminal flowers appear alone or in pairs and reach a diameter of 2.5 to 4 centimeters. The pericarp is covered with bristle-like spines. The wine-red, berry-shaped fruits are spherical and studded with bristle-like spines. They have a length and a diameter of about 12 millimeters. The fruits contain quite large, black seeds.
The bisexual flowers are terminal, blooming singly or branched or forked in cymes. The inflorescence is usually dichasial at least in the lower parts, which means that in the axil of each peduncle (primary flower stalk) of the terminal flower in the cyme, two new single-flower branches sprout up on each side of and below the first flower. [6]
This page was last edited on 26 April 2020, at 16:12 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
Digitalis purpurea (common foxglove) displaying an aberrant peloric terminal flower and normal zygomorphic flowers. Peloria or a peloric flower is the aberration in which a plant that normally produces zygomorphic flowers produces actinomorphic flowers instead.