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Swollen, knob-like structure
- The stigma is a swollen, knob-like structure. It can be either hairy or sticky, or sometimes both to trap pollen grains. In wind-pollinated flowers, like grasses, it may be feathery and branched or elongated. However, for some other flowers, it may be compact and has a sticky surface.
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Pollination is the act of transferring pollen grains from the male anther of a flower to the female stigma.
Stigma is the part of a flower's pistil that receives pollen during fertilization. It plays a crucial role in the reproductive process by capturing pollen grains, which are essential for the fertilization of ovules.
Pollination and fertilisation. Sexual reproduction in flowering plants. 02:13. Sexual reproduction - plants. In flowering plants, male and female reproductive structures can be found in the same...
The stigma is fixed to the apex of the style, a narrow upward extension of the ovary. The stigma (pl.: stigmas or stigmata) [1] is the receptive tip of a carpel, or of several fused carpels, in the gynoecium of a flower.
Jun 11, 2004 · The ornate surfaces of male and female reproductive cells in flowering plants have long attracted attention for their variety and evolutionary significance. These structures, and the molecules involved in sexual interactions, remain among the most rapidly evolving and diverse characteristics known.
Sep 21, 2017 · On top of the style is the stigma, which is sticky and has the shape of a bulb. The size of the stigma varies from plant to plant and some are easier to see than others. In some flowers, the stigma is hard to see, whereas in flowers like tulips, the stigma is easily seen.
