Q:
Why is a stigma sticky?
A:
Quick Answer
A flower's stigma features a sticky surface in order to efficiently trap and prepare the pollen for fertilization. This sticky substance that resembles wax and covers the stigma also rehydrates the dry grains of pollen before they enter the ovary.
Continue ReadingFull Answer
Sometimes, the stigma, a surface located at the top of a flower's pistil, also traps pollen using hairs, flaps and other specially designed surfaces. Depending on the type of flower, stigmas vary in shapes and sizes. While some stigmas are long and thin, others feature round shapes and feathered or stringy borders. The stigma connects to the ovary though the style, a part of the flower that resembles a long tube.
Learn more about BotanyRelated Questions
-
Q:
What is the difference between pollination and fertilization?
A: Pollination is the process whereby pollen grains move from the anther to the stigma on a flower���s style, while fertilization is the fusion of the male ga... Full Answer >Filed Under: -
Q:
Which part of a plant receives pollen?
A: The part of a plant that receives pollen is called the stigma. The stigma is located at the top of the style, the tube that extends out of the ovary. Toget... Full Answer >Filed Under: -
Q:
What is the purpose of the stigma in plants?
A: According to the American Museum of Natural History, the purpose of the stigma is to germinate pollen. The stigma is the top part of the pistil, which is w... Full Answer >Filed Under: -
Q:
What are the characteristics of the phylum Gnetophyta?
A: Distinguishing characteristics of the phylum Gnetophyta include the presence of both tracheids and vessels in their xylem tissue, a unique fertilization fe... Full Answer >Filed Under:
