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 ?
The objectives of the study included quantification of a seed bank for herbaceous and partially woody dicotyledonous species, and herbaceous monocotyledonous species (hereafter, "herbaceous plants") in sites differing in time since last fire.
After the recent warm spell, many herbaceous plants have put on a lot of unseasonably early growth that may collapse if it is not tied or supported in some way.
Gatekeeper Nurseries specialise in climbing plants including clematis and many unusual herbaceous plants.
In summer, herbaceous plants and seasonal bedding can provide colour from June to autumn.
At Hopland Research and Extension Center (HREC), researcher Lindsey Hendricks-Franco, a doctoral candidate in integrative biology at UC Berkeley, is investigating the postfire nitrogen cycling roles played by ephemeral herbaceous plants such as whisperingbells (Emmenanthe penduliflora) and Brewer's redmaids (Calandrinia breweri) and by herbivores -- black-tailed deer, rodents and rabbits.
Also, look out for herbaceous plants that have finished flowering as these are often reduced in price.
St Ethelburga is a delightful old-fashioned hybrid tea rose with gloriously scented light pink double flowers and looks beautiful grown amongst herbaceous plants.
Chapters in this book are organized by the authorAEs intuition, focusing sometimes on one flower entirely or in the context of the plants they breed, like roses or azaleas, and including history on botany and horticulture, important flower breeders in Europe and the United States, and plants by genus, including shrubs and herbaceous plants. ([umlaut] Ringgold, Inc., Portland, OR)
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.
Mulch bare weed-free soil around herbaceous plants before new growth starts.
As to this matter of fertilizing, we need to realize that only herbaceous plants can be fed at this time.
Two tips for tall herbaceous plants. Pinch out the tips of rudbekias, solidago, heleniums and so on to keep them bushy.