Term:
Haustorium (plural = haustoria)
Haustorium (plural = haustoria)
Definition:
The tissue-penetratingand food-absorbing organ of a parasitic plant.
The tissue-penetratingand food-absorbing organ of a parasitic plant.
Glossary Details:
Title: Hemiparasite. Photos by C. A. Gracie.
Description: Hemiparasites on host plants. A. The only part of the host in this picture is the off vertical, brown stem of a species of Coccoloba. The parasite is an unknown species of Loranthaceae. Based on unvouchered plants from Amazonas, Brazil. B. Seedlings of a Loranthaceae that have germinated on Trigona villosa basede on unvouchered plants from French Guiana. As the plants develop they will produce haustoria that penetrate the tissue of the host and extract carbohydrates from it.