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All the "leaves" in this image are bracts. In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis, or cone scale. Bracts are usually different from foliage leaves; they may be of a different size, color, shape, or texture.
This is a list of crop plants pollinated by bees along with how much crop yield is improved by bee pollination. [1] Most of them are pollinated in whole or part by honey bees and by the crop's natural pollinators such as bumblebees, orchard bees, squash bees, and solitary bees. Where the same plants have non-bee pollinators such as birds or ...
Plants fall into pollination syndromes that reflect the type of pollinator being attracted. These are characteristics such as: overall flower size, the depth and width of the corolla, the color (including patterns called nectar guides that are visible only in ultraviolet light), the scent, amount of nectar, composition of nectar, etc. [2] For example, birds visit red flowers with long, narrow ...
Pollination is the transfer of pollen from an anther of a plant to the stigma of a plant, later enabling fertilisation and the production of seeds. [1] Pollinating agents can be animals such as insects, for example beetles or butterflies; birds, and bats; water; wind; and even plants themselves.
Self-pollination happens in flowers where the stamen and carpel mature at the same time, and are positioned so that the pollen can land on the flower's stigma. This pollination does not require an investment from the plant to provide nectar and pollen as food for pollinators. [6] Some flowers produce diaspores without fertilization ...
Leaves are cordate and can be up to 25 cm (9.8 in) wide. Flowers are heart shaped: 10–20 cm (3.9–7.9 in) wide and have tails that are up to 60 cm (24 in). The flower is green/white with purple/brown veins. The center of the flower is darker colored, which attracts pollinators along with a distinctive odor to its reproductive elements.
Pollination is effected by the reverse procedure, in which one of the pollinia becomes trapped within the anther slit. Large-bodied hymenopterans (bees, wasps) are the most common and best pollinators, accounting for over 50% of all Asclepias pollination, [12] whereas monarch butterflies are poor pollinators of milkweed. [5]
Heliconia mariae inflorescence Heliconia psittacorum. Heliconia is a genus of flowering plants in the monotypic family Heliconiaceae.Most of the 194 known species [3] are native to the tropical Americas, but a few are indigenous to certain islands of the western Pacific and Maluku in Indonesia. [2]
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