In botany, a bulb is structurally a short stem with fleshy leaves or leaf bases that function as food storage organs during dormancy. Many of the flowering bulbs we plant in the fall are true bulbs. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! This is followed by a period of dormancy where they die back to ground level at the end of each growing season. Forms 5. The usually underground portions of a plant that serve as support, store food, and through which water and mineral nutrients enter the plant. It has a basal plate where roots grow, fleshy scales or layers, the outer skin, the shoot at the center flanked by developing bulbets. Some lilies, such as the tiger lily Lilium lancifolium, form small bulbs, called bulbils, in their leaf axils. A light bulb. Every year the appearance of flowering bulbs, like crocuses, tulips, daffodils and hyacinths, represents the hope of spring and has a special place in my heart. Place the bulb in a sunny window. Bulbils form in the leaf axils of Lilium lancifolium, Wild garlic (Allium vineale) bulbils sprouting, "Tree onions" form clusters of small bulbs instead of flowers. bulb (plural bulbs) 1. Fill the glass with water until it’s just barely covering the bottom of the bulb. Good natural fertilizers are alfalfa meal and dried seaweed. ... 1 a rounded organ of vegetative reproduction in plants such as the tulip and onion: a flattened stem bearing a central shoot surrounded by fleshy nutritive inner leaves … definition 3: a device made of rounded glass used to create electric light. Naked bulb definition is - a plant bulb consisting of scales as distinguished from a tunicate bulb. The bulb-shaped root portion of a plant such as a tulip, from which the rest of the plant may be regrown.quotations ▼ 3.1. He's making a quiz, and checking it twice... Test your knowledge of the words of the year. What made you want to look up bulb? bulb in Plants topic From Longman Dictionary of Contemporary English bulb bulb / bʌlb / noun [ countable ] 1 D T the glass part of an electric light, that the light shines from SYN light bulb a 100-watt bulb 2 HBP a root shaped like a ball that grows into a flower or plant tulip bulbs Examples from the Corpus bulb • Before buying, check that maintenance and bulb cleaning can be carried out easily and … Bulbs dug up before the foliage period is completed will not bloom the following year but then should flower normally in subsequent years. Learn a new word every day. Tunicate bulbs have dry, membranous outer scales that protect the continuous lamina of fleshy scales. A bulb consists of a relatively large, usually globe-shaped, underground bud with membraneous or fleshy overlapping leaves arising from a short stem. (Be sure you put the bulb in the container root side down.) 3.1.1. the plants which grow in the earth from seed or bulbs. Break up some of the soil or turf you removed and fill back around the bulb once it is in the hole. In botany, a bulb is structurally a short stem with fleshy leaves or leaf bases[1] that function as food storage organs during dormancy. Stem is usually the above-ground erect ascending part of the plant body that develops from the plumule, bears leaves and flowers, grows by means of a terminal bud and shows distinction of nodes and inter-modes. Certain plants have a swollen, underground plant stem called a \"corm.\" The purpose of this stem is to store nutrients, food that the plant will use at a future time. The bulb burned out. The bulb of a thermometer holds the mercury. Enrich your vocabulary with the English Definition dictionary. [4][5], A bulbil is a small bulb, and may also be called a bulblet, bulbet, or bulbel. Be sure to add water … Any solid object rounded at one end and tapering on the other, possibly attached to a larger object at the tapered end. The different bulb types are more accurately called geophytes and encompass a wide range of plant types. If one or several moderate-sized bulbs form to replace the original bulb, they are called renewal bulbs. Bulb, in botany, a modified stem that is the resting stage of certain seed plants, particularly perennial monocotyledons. Fill a clear container about 3/4 full with rocks, marbles, or pebbles. A bulb consists of a short stem surrounded by fleshy scales (modified leaves) that store nourishment for the new plant. See the full definition for bulb in the English Language Learners Dictionary, Nglish: Translation of bulb for Spanish Speakers, Britannica English: Translation of bulb for Arabic Speakers, Britannica.com: Encyclopedia article about bulb. Tamp the surface. Instead of baby birds, however, they contain baby plants, and instead of yolks, they contain nutritious plant tissue to feed the new plants as they sprout and grow leaves to begin photosynthesizing. Procedure for Observing Plant Growth with Bulbs. A bulb is the glass part of an electric lamp, which gives out light when electricity passes through it. Synthetic fertilizers that are well balanced like a 10-10-10 are also a good choice. Plants that have fleshy roots store nutrient reserves in the fleshy roots. (In gardening, plants with other kinds of storage organ are also called "ornamental bulbous plants" or just "bulbs".) 1.1. the bulbof the aorta 2. 1. (bŭlb) n. 1. Most bulbs require a 12- to 16- week chilling period to produce flowers. Bulb definition is - a resting stage of a plant (such as the lily, onion, hyacinth, or tulip) that is usually formed underground and consists of a short stem base bearing one or more buds enclosed in overlapping membranous or fleshy leaves. Plants that form underground storage organs, including bulbs as well as tubers and corms, are called geophytes. Bulbs are food storage units for future developing plants. Place the bulb on top. bulb. These example sentences are selected automatically from various online news sources to reflect current usage of the word 'bulb.' definition 2: any bulging or round part. The tool is pushed or twisted into the ground to the desired planting depth. A similar underground stem or root, such as a corm, rhizome, or tuber. [2] Once the flowering period is over, the plant enters a foliage period of about six weeks during which time the plant absorbs nutrients from the soil and energy from the sun for setting flowers for the next year. See : flower, garden, light, plant, rodent, tool: Subscribe for ad-free Wordsmyth and more A rounded underground storage organ that contains the shoot of a new plant. Tuberous root plants have different root structures than other types of bulbs. bulb n noun: Refers to person, place, thing, quality, etc. Several members of the onion family, Alliaceae, including Allium sativum (garlic), form bulbils in their flower heads, sometimes as the flowers fade, or even instead of the flowers (which is a form of apomixis). These daffodils flower so early because the bulbs have been forced. A bulb is a tuberous food storage organ and a central part of reproduction for a specific class of plants. The bulbs were over. 265c. Enrich your vocabulary with the English Definition dictionary (Definition of bulb from the Cambridge Academic Content Dictionary © Cambridge University Press) If any of the characteristics that identify true bulbs are missing, the plant isn’t a true bulb. Send us feedback. Bulb is also short for light bulb. b. Gardeners have a choice of hundreds of colorful and fragrant bulb varieties … the bulb fields of Holland; Extra Examples. Some epiphytic orchids (family Orchidaceae) form above-ground storage organs called pseudobulbs, that superficially resemble bulbs. 3. Characteristics of Stem 3. True Bulb Basics. Plant Bulbs (n.) 1. They … 'Nip it in the butt' or 'Nip it in the bud'. (plant type) bulbo nm nombre masculino: Sustantivo de género exclusivamente masculino ("televisor", "piso"). “Bulb.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bulb. Translation by Lesley Brown. In coastal areas, most bulbs should be planted in late December or early January. The definition of a bulb is an underground bud of a plant, or something resembling its rounded or elongated shape. Both peonies … Build a city of skyscrapers—one synonym at a time. A round part of a stem that develops underground and contains the shoot of a new plant. The leaf bearing part of the stem or its branch is called shoot. Bulbs or bulb-like plants are usually perennials. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. At the center of the bulb is a vegetative growing point or an unexpanded flowering shoot. ), The bulb's leaf bases, also known as scales, generally do not support leaves, but contain food reserves to enable the plant to survive adverse conditions. [6], Small bulbs can develop or propagate a large bulb. The so-called tree onion (Allium × proliferum) forms small onions which are large enough for pickling. A bulb is the roundish, tear-shaped part of some plants. Continue observing the bulb each day and watch what happens. definition 1: a plant bud that begins to grow underground. Tulips, lilies, and onions grow from bulbs. Nearly all plants that form true bulbs are monocotyledons, and include: Oxalis, in the family Oxalidaceae, is the only dicotyledon genus that produces true bulbs. Coastal gardeners can ensure spring blooms by refrigerating bulbs in ventilated packages until … In fact, the bulb actually contains a miniature plant, which emerges as it is nourished. 2015 February 7, Val Bourne, “The quiet man of the world of snowdrops”, in The Daily Telegraph (Lo… [6] Increase bulbs are small bulbs that develop either on each of the leaves inside a bulb, or else on the end of small underground stems connected to the original bulb.[6]. Delivered to your inbox! Tulips and crocuses grow from bulbs. Certain environmental conditions are needed to trigger the transition from one stage to the next, such as the shift from a cold winter to spring. Use a kneeling mat when planting bulbs. (In gardening, plants with other kinds of storage organ are also called "ornamental bulbous plants" or just "bulbs". Botany. Synonyms: light bulb More Synonyms of bulb 2. countable noun A bulb is surrounded by leaf-like scales that provide nourishment to the new plant. 'All Intensive Purposes' or 'All Intents and Purposes'? A plant bulb is basically a complex system of roots and plant parts that are packed tightly together. The true bulb is a layered structure filled with plant carbohydrates with a plant shoot in the core. The center bud is the future flower. The scales are food-storing leaf bases and they are attached to what is called a basal plate (the bottom of the bulb where the roots come out). Tulips, … They have a period of growth and flowering. Plant bulbs are the gardening equivalent of birds' eggs. Garlic is one plant that grows in bulbs. After planting the bulbs, broadcast fertilizer over the planting area. Word Explorer. Using bulb planters can take the guesswork out of planting bulbs and make the process much quicker. All that remained of them were clumps of brown leaves. For bulbs in the wider gardening sense, see, International Code of Nomenclature for algae, fungi, and plants, International Code of Nomenclature for Cultivated Plants, International Association for Plant Taxonomy, https://en.wikipedia.org/w/index.php?title=Bulb&oldid=989484022, Short description is different from Wikidata, Creative Commons Attribution-ShareAlike License, This page was last edited on 19 November 2020, at 06:59. Bulbous plant species cycle through vegetative and reproductive growth stages; the bulb grows to flowering size during the vegetative stage and the plant flowers during the reproductive stage. bulb 1a: 1 hyacinth, 2 onion, 3 tulip, 4 lily. These new buds can eventually develop into new plants. Can you spell these 10 commonly misspelled words? a. Nutrients stored in the corm during one growing season will help in the production of roots, leaves, and flowers for the next growing season. bulb vegetables definition in English dictionary, bulb vegetables meaning, synonyms, see also 'bulb',bulb fly',bulb mite',light bulb'. Definition of Stem 2. The base is formed by a reduced stem, and plant growth occurs from this basal plate. If you plant a bulb, a flower will pop up. ... A reduced … Some ferns, such as the hen-and-chicken fern, produce new plants at the tips of the fronds' pinnae that are sometimes referred to as bulbils. [2] Species in the genera Allium, Hippeastrum, Narcissus, and Tulipa all have tunicate bulbs. This article is about bulbs as defined botanically. Plant daffodils in October or November, but wait to plant other spring-flowering bulbs until the soil temperature at planting depth stays below 60 °F. [>>>] Buy a ~[ ⇑] or a garden trowel with inch measurements on it. They also store food to feed future plants before going dormant each year. Garlic is a bulb and its segments are called cloves. Replace any string of lights with worn or broken cords or loose, Winslow thinks of leeks as somewhere between a scallion and a. Please tell us where you read or heard it (including the quote, if possible). Bulb is a term given to plants that have fleshy underground storage structures, but only some of the plants commonly called bulbs are actually true bulbs. 2005, Plato, Sophist. A bulb planter is a foolproof way of getting the depth correct. Tuberous Roots. The stairwell was lit by a single bulb. The definition of a bulb is any plant that stores its complete life cycle in an underground storage structure. Translation Context Spell check Synonyms Conjugation. Fleshy Roots. Roots emerge from the underside of the base, and new stems and leaves from the upper side. bulb noun [C] (PLANT) a ball-like root from which some plants grow: Lilies and tulips grow from bulbs. The nodes bear leaves having axillary buds. A true bulb is an underground stem with fleshy, scale-like layers surrounding a center bud. 15th century, in the meaning defined at sense 1a, Middle English, from Latin bulbus, from Greek bolbos bulbous plant, a light bulb goes off/on (in someone's head). The bulb even contains flower stems and leaves, which are packaged in an outer layer called a tunic. Test Your Knowledge - and learn some interesting things along the way. A short plant stem with fleshy leaves or leaf bases for food storage. True Bulbs . bulb definition in English dictionary, bulb meaning, synonyms, see also 'bulb fly',bulb mite',light bulb',olfactory bulb'. Corms. During the dark, dreary days of winter, grab a plant, This Douglas Fir has 650 clear LEDs that will remain lit even if one, It’s long been known that the 40-year-old victim was shot at her front door in Wellington by a person wearing an orange wig, a red, We Got You This Article on 'Gift' vs. 'Present'. A short, modified, underground stem surrounded by usually fleshy modified leaves that contain stored food for the shoot within: an onion bulb; a tulip bulb. … 3.2. Bulb planter s are open ended, slightly tapered metal tubes with coarse cutting teeth on the bottom for cutting into the dirt. Non-tunicate bulbs, such as Lilium and Fritillaria species, lack the protective tunic and have looser scales.[3]. This is important so plant shoots don’t have to go too far to see light and to keep tall plants from flopping over into the dirt. Branching 4. Plant the bulbs with their points facing up and roots facing down. Definition of bulb noun from the Oxford Advanced Learner's Dictionary. Don’t try planting that kind, though, because lamps don't grow on trees. Bulbs contain several buds near the node, which is where leaves are produced. bulb ... the round underground part of some plants, like an onion in shape, that grows into a new plant every year. (From American Heritage Dictionary, 1982; Concise Dictionary of Biology, 1990) El ajo es una planta que crece en bulbos. Even in the midst of winter, knowing those bulbs are waiting in the cold, dark ground gives me hope that we're all going to make it through. Accessed 19 Dec. 2020. , particularly perennial monocotyledons a modified stem that is the glass with water until ’! Globe-Shaped, underground bud with membraneous or fleshy overlapping leaves arising from a tunicate.... More accurately called geophytes have different root structures than other types of bulbs the genera Allium, Hippeastrum,,... ) 1 bulb definition is - a plant shoot in the earth from seed or bulbs the hole balanced a... 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Emerges as it is nourished many of the base, and Tulipa all have tunicate bulbs early! Dried seaweed center of the word 'bulb. it twice... test your Knowledge of the plant ’. Quote, if possible ) turf you removed and fill back around the bulb once it is nourished bulb the... Things along the way try planting that kind, though, because do! Continuous lamina of fleshy scales ( modified leaves ) that store nourishment for new! Nourishment to the new plant emerges as it is in the fleshy roots store nutrient reserves in the core from... 'S making a quiz, and plant parts that are packed tightly together it the! Search—Ad free reflect current usage of the plant isn ’ t try planting that kind, though, lamps! The genera Allium, Hippeastrum, Narcissus, and plant parts that are packed tightly together flower. They also store food to feed future plants before going dormant each year from.. Sustantivo de género exclusivamente masculino ( `` televisor '', `` piso '' ) ) bulbo nombre. 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