hypothallus

[ hahy-puh-thal-uhs, hip-uh- ]

noun

, plural hy·po·thal·li [hahy-p, uh, -, thal, -ahy, hip-, uh, -].

1. a layer of hyphae rimming the thallus of certain lichens.
2. a filmlike residue at the base of the sporangia of certain slime molds.

Word History and Origins

Origin of hypothallus¹

From New Latin, dating back to 1850–55; hypo-, thallus

Example Sentences

The hypothallus is quite distinct, extra-marginal, and in substance like to the peridial wall.

From Project Gutenberg

Stipe short, erect, brownish-red in color, standing on a thin hypothallus.

From Project Gutenberg

Stipe short, reddish-brown to blackish, arising from a thin hypothallus.

From Project Gutenberg

Stipe very short, plicate, red-brown, arising from a small hypothallus.

From Project Gutenberg

Stipe short, tapering upward, expanding at the base into a small hypothallus.

From Project Gutenberg