what is meant by herbaceous plant and it's examples
Answers
★Herbaceous plant
- A herbaceous plant refers to a plant in which the xylem in the stem is underdeveloped, contains less lignified cells, and has weak support. The herbaceous plants are generally short, with a short life span, weak stems, and most of the ground or whole plants die at the end of the growing season. According to the length of time to complete the entire life history, it is divided into annual, biennial and perennial herb plants.
Examples → Wheat , Bulbs , Beets etc.
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★ Classification
Annual herb
- Annual herb refers to the herbaceous plant that germinates, grows, blooms , sets, and withers to death from seeds , with a life span of only one year, that is, it can complete the life cycle within one growth season, that is, die after flowering and seeding. Plants such as morning glory , cineraria , gourd, aster, etc.
Biennial Herbs
- Biennial , in the first growing season (fall) only long vegetative organs, in the second growing season (spring) after flowering, seed the dead plants, such as winter wheat , beets , broad bean and the like.
Perennial herbs
- Perennial herb (perennial herb), life period is longer, generally more than two years of herbaceous plants, such as chrysanthemums , orchids, lotus, water lily , Clivia and so on. The roots of perennial herbaceous plants are generally thicker, and some still have organs such as tubers , tubers , bulbs , and bulbs . In winter, the ground is still sleeping quietly, and when the climate warms in the next year, they sprout and grow again. Growing like this year after year, the underground roots or stems may gradually become enlarged, and they may branch. This provides us with a basis for recognizing their age; we can infer its age from the number of branches in its underground part, the size of the stem or root, the length, and the thickness.
- Perennial herbs can live for more than two years. Some of the underground part of the plant is a perennial, such as perennial or rhizomes, bulbs, tubers and other abnormal organs , while the above-ground parts die each year until the spring of the second year and from the underground part of the grow new shoots, flowering and fruiting, such as lotus root, onion , taro, sweet potatoes , Dahlia, etc .; the aboveground and underground parts of some plants are perennial. After flowering and fruiting, the aboveground part still does not die, and can be fruited many times, such as Dieffenbachia , Asparagus, etc.
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★ Uses
- Herbs have many uses. All important grains are herbs, such as wheat , corn , corn, barley, sorghum, etc., which can be eaten by humans.
- Many animals in nature, as well as various domestic animals such as pigs, cattle, horses and sheep, also eat herbs, so herbs are an important part of the food chain .
- Some herbaceous plants can be seen everywhere in daily life and can be used to prepare and make utensils. There are also bamboo-made houses in Southeast Asia.
- Many herbs in nature are not only animal food, but also produce a lot of oxygen to prevent soil erosion.
- Many herbs are important sources of Chinese medicinal materials.
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★ Harm
If a product uses the words " natural " or "herbal", it seems safe. In fact, this is not the case. Examples are everywhere. For example, tobacco leaves, coca leaves (a source of cocaine), cannabis (a source of cannabis drugs) and poppy (a source of heroin and morphine) are all natural ingredients, but they are harmful to health.
Therefore, herbs can be divided into two categories: edible herbs, herbs and medicinal plants without harmful side effects. When the formula is wrong or improperly used, it can be harmful to health. Some drug manufacturers do not have professional qualifications themselves and cannot use herbs or plants correctly when developing drugs. Other manufacturers are driven by commercial profits and completely ignore consumer safety.
Answer:a plants which is herb
Explanation:
Hibiscus