noun. An outgrowth on the surface of a leaf or other plant part.

noun. In botany, the production of outgrowths or appendages upon the surface of an organ.

noun. In ethnology, maternal relationship.

noun. Any unusual outgrowth from the surface of a thing, as of a petal; also, the capacity or act of producing such an outgrowth.

noun. A small outgrowth on the surface of a plant organ.

noun. The generation of such an outgrowth.

noun. line of descent traced through the maternal side of the family

noun. a natural projection or outgrowth from a plant body or organ

"For our present purpose hypertrophy may be considered as it affects the axile or the foliar organs, and also according to the way in which the increased size is manifested, as by increased thickness or swelling -- intumescence, or by augmented length-elongation, by expansion or flattening, or, lastly, by the formation of excrescences or outgrowths, which may be classed under the head of luxuriance or enation."

unilateral descent