2024年12月24日 · Pedanius Dioscorides, a Greek botanist of the 1st century ce, was the most important botanical writer after Theophrastus. In his major work, an herbal in Greek, he described some 600 kinds of plants, with comments on their habit of growth and form as well as on their medicinal properties.

2025年2月7日 · Botanical gardens, or parts of them, are sometimes planned according to the geographic origin of plants. Not infrequently the layout is based on small, special gardens within the greater garden, such as rose, iris, rock, wildflower, and Japanese landscape gardens. Botanical gardens may range in size from a few hectares to as many as 1,000.

2025年2月7日 · botanical garden, originally, a collection of living plants designed chiefly to illustrate relationships within plant groups. In modern times, most botanical gardens are concerned primarily with exhibiting ornamental plants, insofar as possible in a scheme that emphasizes natural relationships.

Vessel, in botany, the most specialized and efficient conducting structure of xylem (fluid-conducting tissues). Characteristic of most flowering plants and absent from most gymnosperms and ferns, vessels are thought to have evolved from tracheids (a primitive form of water-conducting cell) by loss

Together with gateways and fences—particularly the widely varying sode-gaki (“sleeve fences”) attached to the side of a house to screen certain portions—these elements harmonize the natural beauty of the garden with the architectural features of the house.

Garden and landscape design - Accent, Contrast, Elements: Accent and contrast enliven arrangements that may be so balanced, orderly, and harmonious as to be dull. An accent is an element that differs from everything around it, as silver-gray foliage against dark green conifers, but is limited in quantity in relation to surrounding elements.

2025年1月30日 · In the 1590s he established a botanic garden at the University of Leiden and cultivated tulips there. In 1596 and again in 1598, broken tulips (virus-infected tulips that bloom in streaks or flames of color) were stolen from Clusius’s garden, and the genetically variable seeds of those purloined flowers became the foundation for a lively ...

Glucose, one of a group of carbohydrates known as simple sugars, a major free sugar found in the blood of higher animals.

2025年1月16日 · Forests are the most important of these natural communities from the standpoint of area, carbon content, annual carbon fixation, the cycling of nutrient elements, and influence on energy and water budgets, as well as being the principal reservoir of biodiversity on land.

2025年1月31日 · papaya, (Carica papaya), succulent fruit of a large plant of the family Caricaceae. Though its origin is rather obscure, the papaya may represent the fusion of two or more species of Carica native to Mexico and Central America. Today it is cultivated throughout the tropical world and into the warmest parts of the subtropics. The papaya fruit is slightly …