Question

Схематический рисунок пестичных цветков каштана и сирени

Answer 1

Рыльце,завязь,столбик,семязачаток,тычиночная нить,связник,пыльник,пыльцевые зёрна,лепесток,чашелистик,цветоложе,цветоножка,прицветник,прицветничек

Answer 2

Schematic Diagram of Chestnut and Lilac Pistil Flowers

Unfortunately, I couldn't find specific schematic diagrams of chestnut and lilac pistil flowers in the search results. However, I can provide you with a general description of the structure of pistil flowers in these plants.

Chestnut Pistil Flower: The chestnut tree (Castanea) produces separate male and female flowers on the same tree. The female flowers, also known as pistil flowers, are located in clusters called catkins. Each chestnut pistil flower consists of several parts, including the ovary, style, and stigma.

- Ovary: The ovary is the swollen base of the pistil flower. It contains one or more ovules, which are the structures that develop into seeds after fertilization. - Style: The style is a slender tube-like structure that connects the ovary to the stigma. It provides a pathway for the pollen tube to reach the ovary during fertilization. - Stigma: The stigma is the sticky, receptive surface at the top of the style. Its function is to capture pollen grains and facilitate their germination.

Lilac Pistil Flower: The lilac plant (Syringa) also produces separate male and female flowers. The female flowers, like the chestnut, consist of pistil flowers. The structure of the lilac pistil flower is similar to that of the chestnut.

- Ovary: The ovary of the lilac pistil flower is located at the base. It contains ovules that develop into seeds after fertilization. - Style: The style is a slender tube-like structure that connects the ovary to the stigma. - Stigma: The stigma is the receptive surface at the top of the style. It captures pollen grains for fertilization.

Please note that the specific details of the chestnut and lilac pistil flowers may vary depending on the species and cultivar. The information provided here is a general description.

I hope this helps! Let me know if you have any further questions.