2 definitions found From WordNet (r) 2.0 [wn]: caudex noun 1: persistent thickened stem of a herbaceous perennial plant [syn: {stock}] 2: woody stem of palms and tree ferns [also: {caudices} (pl)] From The Collaborative International Dictionary of English v.0.44 [gcide]: Caudex \Cau"dex\, noun; pl. L. {Caudices}, E. {Caudexes}. [L.] (Bot.) The stem of a tree., esp. a stem without a branch, as of a palm or a tree fern; also, the perennial rootstock of an herbaceous plant.

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