Sphaero·stil·be
| \ ˌsfirōˈstil(ˌ)bē, -fer- \
Definition of Sphaerostilbe
: a genus of ascomycetous fungi (family Nectriaceae) characterized by red perithecia borne on slender stromatic stalks and 2-celled ascospores and including destructive root parasites especially of tropical plants
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Merriam-Webster unabridged
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