单词 | leptosporangiate |
例句 | Eusporangiate Ferns, those in which the sporangium is a massive organ arising from several cells, whereas in leptosporangiate ferns it is a more delicate structure derived from a single superficial cell. The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar 2011-04-14T02:00:59.373Z The bulk of living ferns are leptosporangiate, the eusporangiate class comprising only two living families, viz. the Marattiace� and Ophioglossace�, as well as many extinct types. The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar 2011-04-14T02:00:59.373Z |
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