botany

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Definition/MeaningWord/Phrase
(botany) the arrangement of sepals and petals in a flower bud before it opens aestivation , estivation
branch of botany that studies algae algology , phycology
(botany) development of an embryo without fertilization; especially the development in some ferns of a sporophyte from the gametophyte without fertilization apogamy
(botany) a natural swelling or enlargement: at the base of the stalk or seta in certain mosses or on the cone scale of certain conifers apophysis
(botany) tissue that conducts synthesized food substances (e.g., from leaves) to parts where needed; consists primarily of sieve tubes bast , phloem
(botany) an isolated thickening of tissue, especially a stiff protuberance on the lip of an orchid callus
(botany) the whorl of sepals of a flower collectively forming the outer floral envelope or layer of the perianth enclosing and supporting the developing bud; usually green calyx
(botany) the process in some plants of parts growing together that are usually separate (such as petals) cohesion
hairy, in botany comate
(botany) outer tissue of bark; a protective layer of dead cells cork , phellem
(botany) the whorl of petals of a flower that collectively form an inner floral envelope or layer of the perianth corolla
(botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower corona
(botany) taxonomic unit of plants corresponding to a phylum division
(botany) a minute rudimentary plant contained within a seed or an archegonium embryo
(botany) the act of causing a plant to develop without chlorophyll by growing it without exposure to sunlight etiolation
(botany) the process of forming leaves foliation , leafing
(botany) a slender tubular outgrowth from a spore in germination germ tube
(botany) a plant product that acts like a hormone growth regulator , phytohormone , plant hormone
(botany) any appendage to a plant that is shaped like a strap ligule
(botany) a part into which a leaf is divided lobe
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