stylospore

from The Century Dictionary.

• noun In botany, a stalked spore, developed by abstriction from the top of a slender thread or sterigma, and produced either in a special receptacle, as a pycnidium, or uninclosed as in the Coniomycetes. See pycnidium, macrostylospore. Also called pycnidiospore, pycnogonidium, pycnospore.