Subshrubs
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Subshrubs
A subshrub (Latin ''suffrutex'') or undershrub is either a small shrub (e.g. prostrate shrubs) or a perennial that is largely herbaceous but slightly woody plant, woody at the base (e.g. garden pink and florist's chrysanthemum). The term is often interchangeable with "bush".Jackson, Benjamin, Daydon; A Glossary of Botanic Terms with their Derivation and Accent; Published by Gerald Duckworth & Co. London, 4th ed 1928 Because the criteria are matters of degree (normally of height) rather than of kind, the definition of a subshrub is not sharply distinguishable from that of a shrub; examples of reasons for describing plants as subshrubs include ground-hugging stems or low growth habit. Subshrubs may be largely herbaceous though still classified as woody, with overwintering perennial woody growth much lower-growing than deciduous summer growth. Some plants described as subshrubs are only weakly woody and some persist for only a few years. Others, such as ''Oldenburgia paradoxa'' live ...
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Shrub
A shrub or bush is a small to medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees by their multiple Plant stem, stems and shorter height, less than tall. Small shrubs, less than tall are sometimes termed as subshrubs. Many botany, botanical groups have species that are shrubs, and others that are trees and herbaceous plants instead. Some define a shrub as less than and a tree as over 6 m. Others use as the cutoff point for classification. Many trees do not reach this mature height because of hostile, less than ideal growing conditions, and resemble shrub-sized plants. Others in such species have the potential to grow taller in ideal conditions. For longevity, most shrubs are classified between Perennial plant, perennials and trees. Some only last about five years in good conditions. Others, usually larger and more woody, live beyond ...
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Perennating Organ
In botany, perennation is the ability of organisms, particularly plants, to survive from one Germination, germinating season to another, especially under unfavourable conditions such as drought or winter cold. It typically involves development of a perennating organ, which stores enough nutrients to sustain the organism during the unfavourable season, and develops into one or more new plants the following year. Common forms of perennating organs are storage organs (e.g. tubers, rhizomes and corm), and buds. Perennation is closely related with vegetative reproduction, as the organisms commonly use the same organs for both survival and reproduction. See also * Overwintering * Plant pathology * Sclerotium * Turion (botany) References

Agronomy Botany Biology terminology {{Botany-stub ...
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Calluna Vulgaris
''Calluna vulgaris'', common heather, ling, or simply heather, is the sole species in the genus ''Calluna'' in the flowering plant family Ericaceae. It is a low-growing evergreen shrub growing to tall, or rarely to and taller, and is found widely in Europe and Asia Minor on acidic soils in open sunny situations and in moderate shade. It is the dominant plant in most heathland and moorland in Europe, and in some bog vegetation and acidic pine and oak woodland. It is tolerant of grazing and regenerates following occasional burning, and is often managed in nature reserves and grouse moors by sheep or cattle grazing, and also by light burning. Description ''Calluna'' can reach in height. It has small-scale leaves (less than 2–3 mm long) borne in opposite and decussate pairs, whereas those of '' Erica'' are generally larger and in whorls of 3–4, sometimes 5. Clive Stace, (2010) ''New Flora of the British Isles'', 3rd edition. Cambridge University Press. It flowers from ...
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Rosmarinus Officinalis
''Salvia rosmarinus'' (), commonly known as rosemary, is a shrub with fragrant, evergreen, needle-like leaves and white, pink, purple, or blue flowers. It is a member of the sage family, Lamiaceae. The species is native to the Mediterranean region, as well as Portugal and Spain. It has a number of cultivars and its leaves are commonly used as a flavoring. Description Rosemary has a fibrous root system. It forms an aromatic evergreen shrub with leaves similar to '' Tsuga'' needles. Forms range from upright to trailing; the upright forms can reach between tall. The leaves are evergreen, long and broad, green above, and white below, with dense, short, woolly hair. The plant flowers in spring and summer in temperate climates, but the plants can be in constant bloom in warm climates; flowers are white, pink, purple or deep blue. The branches are dotted with groups of 2 to 3 flowers down its length. Rosemary also has a tendency to flower outside its normal flowering season; i ...
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Thymus Vulgaris
''Thymus vulgaris'' (common thyme, German thyme, garden thyme or just thyme) is a species of flowering plant in the mint family (biology), family Lamiaceae, native plant, native to southern Europe from the western Mediterranean to southern Italy. Growing to tall by wide, it is a bushy, woody-based evergreen subshrub with small, highly aromatic, grey-green leaves and clusters of purple or pink flowers in early summer. It is useful in the garden as groundcover, where it can be short-lived, but is easily plant propagation, propagated from cuttings. It is also the main source of thyme as an ingredient in cooking and as a herbal medicine. It is slightly spicier than oregano and sweeter than Salvia officinalis, sage. The Latin binomial nomenclature, specific epithet ''vulgaris'' means “common” in the sense of “widespread”. Cultivars Numerous cultivars and Hybrid (biology)#Hybrid plants, hybrids have been developed for ornamental purposes. Nomenclature can be very confus ...
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Maquis Shrubland
220px, Low maquis in Corsica 220px, High ''macchia'' in Sardinia ( , , ) or ( , ; often in Italian; , ; ; ; ) is a savanna-like shrubland biome in the Mediterranean region, typically consisting of densely growing evergreen shrubs. Maquis is characterized by plants of the family Lamiaceae, genera '' Laurus'' and '' Myrtus'', and species '' Olea europaea'', '' Ceratonia siliqua'', and '' Ficus carica''. It is similar to garrigue Garrigue or garigue ( ), also known as phrygana ( , n. pl.), is a type of low scrubland ecoregion and plant community in the Mediterranean forests, woodlands, and scrub biome. It is found on limestone soils in southern France and around the .... See also * Mining maquis * Maquis (other) * Mediterranean forests, woodlands, and scrub References External links * * * {{DEFAULTSORT:Maquis Shrubland * Ecoregions of Europe Ecoregions of Metropolitan France Environment of the Mediterranean Mediterranean forests, woodlands, a ...
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Raunkiær Plant Life-form
The Raunkiær system is a system for categorizing plants using life-form categories, devised by Danish botanist Christen C. Raunkiær and later extended by various authors. History It was first proposed in a talk to the ''Danish Botanical Society'' in 1904 as can be inferred from the printed discussion of that talk, but not the talk itself, nor its title. The journal, '' Botanisk Tidsskrift'', published brief comments on the talk by M.P. Porsild, with replies by Raunkiær. A fuller account appeared in French the following year. Raunkiær elaborated further on the system and published this in Danish in 1907.Ch. 2 in Raunkiær (1934): The life-forms of plants and their bearings on geography, p. 2-104. The original note and the 1907 paper were much later translated to English and published with Raunkiær's collected works.Ch. 1 in Raunkiær (1934): Biological types with reference to the adaption of plants to survive the unfavourable season, p. 1. Modernization Raunkiær's life ...
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Aldabra Giant Tortoise
The Aldabra giant tortoise (''Aldabrachelys gigantea'') is a species of tortoise in the family Testudinidae and genus '' Aldabrachelys''. The species is endemic to the Seychelles, with the nominate subspecies, ''A. g. gigantea'' native to Aldabra atoll. It is one of the largest tortoises in the world.Pritchard, Peter C.H. (1979) ''Encyclopedia of Turtles.'' Neptune, New Jersey: T.F.H. Publications, Inc. Ltd. Historically, giant tortoises were found on many of the western Indian Ocean islands, as well as Madagascar, and the fossil record indicates giant tortoises once occurred on every continent and many islands with the exception of Australia and Antarctica. Many of the Indian Ocean species were thought to be driven to extinction by over-exploitation by European sailors, and they were all seemingly extinct by 1840 with the exception of the Aldabran giant tortoise on the island atoll of Aldabra. Although some remnant individuals of ''A. g. hololissa'' and ''A. g. arnoldi'' may ...
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Caudex
A caudex (: caudices) of a plant is a stem, but the term is also used to mean a rootstock and particularly a basal stem structure from which new growth arises.pages 456 and 695 In the strict sense of the term, meaning a stem, "caudex" is most often used with plants that have a different stem morphology from the typical angiosperm dicotyledon stem: examples of this include palms, ferns, and cycads. The largest of all caudices is that of the ombu (''Phytolacca dioecea'') of the Pampas of South America which can be fifty feet (fifteen meters) thick. The related term caudiciform, literally meaning stem-like, is sometimes used to mean pachycaul, thick-stemmed. Caudices should not be confused with lignotubers which can also be very large. Etymology The term is from the Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (n ...
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Lignotuber
A lignotuber is a woody swelling of the root crown possessed by some plants as a protection against destruction of the plant stem, such as by fire. Other woody plants may develop basal burls as a similar survival strategy, often as a response to coppicing or other environmental stressors. However, lignotubers are specifically part of the normal course of development of the plants that possess them, and often develop early on in growth. The crown contains buds from which new stems may sprout, as well as stores of starch that can support a period of growth in the absence of photosynthesis. The term "lignotuber" was coined in 1924 by Australian botanist Leslie R. Kerr. Plants possessing lignotubers include many species in Australia; ''Eucalyptus marginata'' (jarrah), '' Eucalyptus brevifolia'' (snappy gum) and '' Eucalyptus ficifolia'' (scarlet gum) all of which can have lignotubers wide and deep, as well as most mallees (where it is also known as a mallee root) and many ''Ba ...
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