Fungi Anatomy and Lifestyle, Largest Organisms, Septate/Coenocytic Hypha


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Key Notes:

mycelium – the vegetative part of a fungus, consisting of a network of fine white filaments (hyphae)

mushrooms – fruiting bodies that are often exposed above ground

Note: The role of fruiting bodies are to spread spores for reproduction.

hypha – each of the branching filaments that make up the mycelium of a fungus

honey mushroom (Armillaria ostoyae) – the largest known organism that covers more than 3.4 square miles in Oregon’s Malheur National Forest and is more than 2,400 years old

septate hypha – hypha with cell walls with pores allowing nuclei to travel through (advanced fungi)

coenocytic hypha – multi-nucleate form; single cell that keeps growing but never truly divides; flowing stream of nuclei traveling through the mycelium with no cell walls (primitive fungi)


Cen, Henry. Palomar College.

Pearson Education.

Philippe Clement.