Axillary bud

The axillary bud lies at the junction of the stem and petiole of a plant.

As the apical meristem grow and form leaves, a region of meristematic cells are left behind at the node between the stem and the leaf. These axillary buds are usually dormant, inibited by auxin produced by the apical meristem, which is known as apical dominance. If the apical meristem was removed, or has grown a sufficient distance away from an axillary bud, the axillary bud may become activated (or more appropriately freed from [hormone] inhibition). Like the apical meristem, axillary buds can develop into a stem or flower.

Certain plant diseases - notably phytoplasmas - can cause the proliferation of axillary buds, and cause plants to become bushy in appearance.


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  • axillary bud — Bot. a bud that is borne at the axil of a leaf and is capable of developing into a branch shoot or flower cluster. Also called lateral bud. See illus. under axil. * * * …   Universalium

  • axillary bud — ax′illary bud n. bot a bud that is borne at the axil of a leaf and is capable of developing into a branch shoot or flower cluster …   From formal English to slang

  • axillary bud — A bud found at the axil of a leaf. Synonym: lateral bud …   Glossary of Biotechnology

  • axillary bud — Bot. a bud that is borne at the axil of a leaf and is capable of developing into a branch shoot or flower cluster. Also called lateral bud. See illus. under axil …   Useful english dictionary

  • axillary bud —   Structure arising from tissue in the axil between a stem and leaf, as a lateral branch; absent in cycads …   Expanded glossary of Cycad terms

  • axillary bud proliferation — Propagation of plant tissue in vitro to promote axillary growth, to generate large numbers of plantlets in culture …   Glossary of Biotechnology

  • Bud — In botany, a bud is an undeveloped or embryonic shoot and normally occurs in the axil of a leaf or at the tip of the stem. Once formed, a bud may remain for some time in a dormant condition, or it may form a shoot immediately.The buds of many… …   Wikipedia

  • Axillary — is an anatomical term derived from axilla, the armpit. Axillary literally means pertaining to the armpit .In vertebrate anatomy and medicine, it occurs in terms like: * Axillary artery * Axillary vein * Axillary nerveIn birds, the axillaries are… …   Wikipedia

  • bud — bud1 budder, n. budless, adj. budlike, adj. /bud/, n., v., budded, budding. n. 1. Bot. a. a small axillary or terminal protuberance on a plant, containing rudimentary foliage (leaf bud), the rudimentary inflorescence …   Universalium

  • bud — I. /bʌd / (say bud) noun 1. Botany a. a small axillary or terminal protuberance on a plant, containing rudimentary foliage (leaf bud ), the rudimentary inflorescence (flower bud ), or both (mixed bud). b. an undeveloped or rudimentary stem or… …   Australian English dictionary


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