(mycology) A cuplike fruiting structure of some parasitic rust fungi that contains chains of aeciospores.
1932 August, Ralph Ulysses Cotter, Factors Affecting the Development of the Aecial Stage of Puccinia Graminis, US Dept of Agriculture, Technical Bulletin No. 314, page 29,
The writer therefore made observations to determine the conditions under which the aecia open and discharge spores most readily.
Mac + Safari
iPhone + iPad
Google Chrome
Mozilla Firefox
Opera
Microsoft Edge