fertile frond; sporophyll
Botanical term for a leaf that bears sporangia; contrasted with 裸葉 (sterile frond).
See also: 裸葉
シダ植物では、胞子葉と裸葉が分かれている種がある。
In ferns, some species have separate fertile and sterile fronds.
Compound of 胞子 (spore) and 葉 (leaf), a straightforward kanji-based term for a spore-bearing leaf.