aecidium

American

[ee-sid-ee-uhm] / iˈsɪd i əm /

noun

Mycology.

PLURAL

aecidia

an aecium in which the spores are always formed in chains and enclosed in a cup-shaped peridium.

Etymology

Origin of aecidium

From New Latin, dating back to 1865–70; aecium, -idium

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Aecidium Grossulariae—the latter sometimes indicating the presence of Chytridiaceae.

From Project Gutenberg

Peridermium Pini and Aecidium elatinum also cause cankers under certain conditions, as also does Gymnosporangium, but in these cases the fungi are more truly parasitic.

From Project Gutenberg

Puccinia suaveolens causes partial atrophy of the leaves of Thistles, Aecidium Euphorbiae of those of Euphorbia.

From Project Gutenberg

The carpels of Anemone are atrophied in plants attacked by Aecidium, and the whole flower is suppressed in Cherries infested with Exoascus Cerasi, while other fungi—e.g.

From Project Gutenberg

Caeoma on Pines, Aecidium on Nettles, also Puccinia on petioles of Mallow, Cystopus on inflorescences of Capsella, etc.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023