Haustorium n. : One of the suckerlike rootlets of such plants as the dodder and ivy.

Example:


Taxonomy
Haustorium, fungus, Haustoria, free encyclopedia, hyphae, organic carbon, hypha, the wall, cell, insects, host cell membrane, cell wall, search, Unsourced, botany, tissue, stays, divisions.

Defination from the web:
haustorium (plural haustoria) is the hyphal tip of a parasitic fungus or of the root of a parasitic plant (such as in the broomrape ... Haustoria arise from intercellular hyphae, appressoria, or external hyphae. ...