herbaceous plant


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herbaceous plant

(hûrbā`shəs), plant whose stemstem,
supporting structure of a plant, serving also to conduct and to store food materials. The stems of herbaceous and of woody plants differ: those of herbaceous plants are usually green and pliant and are covered by a thin epidermis instead of by the bark of woody plants.
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 is soft and green and shows little growth of wood. The term is used to distinguish such plants from woody plants. Herbaceous plants, or herbs, as they are commonly called, may be annualannual,
plant that germinates from seed, blossoms, produces seed, and dies within one year. Annuals propagate themselves by seed only, unlike many biennials and perennials. They are thus especially suited to environments that have a short growing season.
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—that is, the plants die after a year's growth, and the plants are propagated by seed—or they may be produced each year by new shoots from dormant roots. The stems of woody plants, e.g., most shrubs and trees, are tough, are covered with nongreen bark, and enlarge in diameter by the accumulation of annual layers of woodwood,
botanically, the xylem tissue that forms the bulk of the stem of a woody plant. Xylem conducts sap upward from the roots to the leaves, stores food in the form of complex carbohydrates, and provides support; it is made up of various types of cells specialized for each of
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 produced by the cambiumcambium
, thin layer of generative tissue lying between the bark and the wood of a stem, most active in woody plants. The cambium produces new layers of phloem on the outside and of xylem (wood) on the inside, thus increasing the diameter of the stem.
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References in periodicals archive ?
Aphids on the world's herbaceous plants and shrubs; 2v.
The highest number of herbaceous plants occurred the first year following clearcutting (4971 plants) at Site 2 and diminished noticeably to the seventh year (1851 plants) (Fig.
Native to South India, it is a dried fruit of an herbaceous plant of the ginger family.
Taking cuttings is easy, it's a numbers game - you take 10 from a herbaceous plant and you should get 60% success, which is a big saving on plants
Garden canes, link stakes or birch twigs can be used, providing that the height of the support is not more than the ultimate height of the plant - there is nothing worse than seeing an herbaceous plant in full summer glory with its stakes and ties visible.
In return, she was presented with a phlomis samia, a yellow herbaceous plant grown at the Morpeth centre since 1985, to take back to her own garden in the shadow of Alnwick Castle.
A bold hardy herbaceous plant excellent for borders or containers.
Various species of wildflowers and herbaceous plants have been planted on roundabouts and verges as part of Durham County Council's wildflower planting scheme.
Contract notice: Framework for the Supply and Delivery of Shrubs, Herbaceous Plants, Trees, Hedging Plants, Roses and Conifers.
IT| a great month for planting just about everything - bulbs, herbaceous plants, trees, roses, shrubs and hedges.
I'm almost afraid to go anywhere in my own garden without a pair of secateurs in my back pocket as I'm forever having to prune back bolshy brambles, never-ending nettles and tired tall herbaceous plants that seem to 'faint' onto the paths.
Continue to plant trees, shrubs, herbaceous plants and alpines.