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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 ...
The hermaphrodite (bisexual) flowers are terminal to stem and branches. They are usually pentamerous (with five spreading perianth petaloid sepal segments). Five tubular honey-leaves [a] are semi erect with a flat limb and spurred or saccate at the base. The spur is directed backwards and secretes nectar.
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.
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.
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A floral diagram is a graphic representation of the structure of a flower. It shows the number of floral organs, their arrangement and fusion. Different parts of the flower are represented by their respective symbols. Floral diagrams are useful for flower identification or can help in understanding angiosperm evolution.
The solitary terminal flowers [11] are produced very early in spring and are reddish-purple to pinkish white. [12] [9] The flowers typically open as the snow melts back. [13] The 5 sepals are only 2 mm long with the 5 petals elliptic to oblong and advertising a shade of pink. The 7 to 12 stamens are slightly longer than the petals. [14]
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]