Fronds erect, firm in texture, 20 - 50 cm tall
Sterile and fertile fronds dissimilar
Fertile fronds erect, similar in length to sterile fronds but pinnae narrow and curved.
Sori covering underside on each side of midvein.
Comparison of male and female plants.
Male plants above with vestigial ovary and functional anthers at ends of stamens (note pollen).
Female plant with vestigial stamens and functional ovary - purple, with three chambers.