Fertile fronds: lamina 1-pinnate or sometimes subdigitate, basally decrescent to costae bearing narrow wings; pinnae linear, 8-12 × 0.6-1 cm, margins entire or slightly undulate, rarely with a few lobes, apex acuminate; lateral pinnae 1 or 2 pairs, opposite, spreading, sessile, same as terminal pinna in shape but shorter, basally basiscopic side decurrent, basal pair often 2-forked. Fertile fronds: lamina 1-pinnate or sometimes subdigitate, basally decrescent to costae bearing narrow wings; pinnae linear, 8-12 × 0.6-1 cm, margins entire or slightly undulate, rarely with a few lobes, apex acuminate; lateral pinnae 1 or 2 pairs, opposite, spreading, sessile, same as terminal pinna in shape but shorter, basally basiscopic side decurrent, basal pair often 2-forked.General Information
Source: [
Flora of China @ efloras.org
General Information
