page_title: Seed
hierarchical_section_title: Seed
caption_attribution_description: Русский: Микроизображения семян различных растений. Коллаж. Масштаб для каждого отдельного семени разнообразен. Единый масштаб не соблюден. Первый ряд: Мак, Красный перец, Клубника, Яблоня, Ежевика, Рис, Тмин. Второй ряд: Горчица, Баклажан, Физалис, Виноград, Малина, Красный рис, Пачули. Третий ряд: Инжир, Дереза обыкновенная, Свекла, Голубика, Золотой киви, Шиповник, Базилик. Четвертый ряд: Розовый перец, Томат, Редька, Морковь, Маттиола, Укроп, Кориандр. Пятый ряд: Черный перец, Капуста белокочанная, Пекинская капуста, Облепиха, Петрушка, Одуванчик, Пастушья сумка. Шестой ряд: Цветная капуста, Редис, Киви, Гренадилла, Маракуйя, Мелисса, Бархатцы прямостоячие. English: Microimages of seeds of various plants. The first row: Poppy, Red pepper, Strawberry, Apple tree, Blackberry, Rice, Carum. Second row: Mustard, Eggplant, Physalis, grapes, raspberries, red rice, Patchouli. The third row: Figs, Lycium barbarum, Beets, Blueberries, Golden Kiwifruit, Rosehip, Basil. The fourth row: Pink pepper, Tomato, Radish, Carrot, Matthiola, Dill, Coriander Fifth row: Black pepper, White cabbage, Napa cabbage, Seabuckthorn, Parsley, Dandelion, Capsella bursa-pastoris. The sixth row: Cauliflower, Radish, Kiwifruit, Grenadilla, Passion fruit, Melissa, Tagetes erecta.
context_page_description: A seed is an embryonic plant enclosed in a protective outer covering. The formation of the seed is part of the process of reproduction in seed plants, the spermatophytes, including the gymnosperm and angiosperm plants.
  Seeds are the product of the ripened ovule, after fertilization by pollen and some growth within the mother plant. The embryo is developed from the zygote and the seed coat from the integuments of the ovule.
  Seeds have been an important development in the reproduction and success of gymnosperm and angiosperm plants, relative to more primitive plants such as ferns, mosses and liverworts, which do not have seeds and use water-dependent means to propagate themselves. Seed plants now dominate biological niches on land, from forests to grasslands both in hot and cold climates.
  The term "seed" also has a general meaning that antedates the above – anything that can be sown, e.g. "seed" potatoes, "seeds" of corn or sunflower "seeds". In the case of sunflower and corn "seeds", what is sown is the seed enclosed in a shell or husk, whereas the potato is a tuber.
  Many structures commonly referred to as "seeds" are actually dry fruits.
context_section_description: A seed is an embryonic plant enclosed in a protective outer covering. The formation of the seed is part of the process of reproduction in seed plants, the spermatophytes, including the gymnosperm and angiosperm plants.
  Seeds are the product of the ripened ovule, after fertilization by pollen and some growth within the mother plant.  The embryo is developed from the zygote and the seed coat from the integuments of the ovule. 
  Seeds have been an important development in the reproduction and success of gymnosperm and angiosperm plants, relative to more primitive plants such as ferns, mosses and liverworts, which do not have seeds and use water-dependent means to propagate themselves.  Seed plants now dominate biological niches on land, from forests to grasslands both in hot and cold climates.
  The term "seed" also has a general meaning that antedates the above – anything that can be sown, e.g. "seed" potatoes, "seeds" of corn or sunflower "seeds". In the case of sunflower and corn "seeds", what is sown is the seed enclosed in a shell or husk, whereas the potato is a tuber.
  Many structures commonly referred to as "seeds" are actually dry fruits. Plants producing berries are called baccate. Sunflower seeds are sometimes sold commercially while still enclosed within the hard wall of the fruit, which must be split open to reach the seed. Different groups of plants have other modifications, the so-called stone fruits (such as the peach) have a hardened fruit layer (the endocarp) fused to and surrounding the actual seed. Nuts are the one-seeded, hard-shelled fruit of some plants with an indehiscent seed, such as an acorn or hazelnut.
caption: Seeds of various plants. Row 1: poppy, red pepper, strawberry, apple tree, blackberry, rice, carum, Row 2: mustard, eggplant, physalis, grapes, raspberries, red rice, patchouli, Row 3: figs, lycium barbarum, beets, blueberries, golden kiwifruit, rosehip, basil, Row 4: pink pepper, tomato, radish, carrot, matthiola, dill, coriander, Row 5: black pepper, white cabbage, napa cabbage, seabuckthorn, parsley, dandelion, capsella bursa-pastoris, Row 6: cauliflower, radish, kiwifruit, grenadilla, passion fruit, melissa, tagetes erecta.
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