| 释义 |
per·o·nos·po·ra
\ˌperəˈnäspərə\ noun
Usage: capitalized
Etymology: New Latin, from perono- + -spora
: a genus (the type of the family Peronosporaceae) of destructive downy mildews having the sporangiophores dichotomously branched and with pointed tips — see onion mildew, tobacco blue mold |