receptive hypha

noun

: a haploid hyphal thread that develops from an aecial primordium in many heterothallic rust fungi, that protrudes from a pycnium, and that is joined by a pycniospore to establish a diploid mycelium prior to aeciospore formation

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now