疏叶莲座蕨 shu ye lian zuo jue

Fronds 1-2 m; stipes tuberculate. Laminae bipinnate; pinnae ca. 60 × 15-22 cm, with ca. 15 pairs of pinnules; pinnules 13-15 × 1.5-2 cm, bases rounded, margins nearly entire, slightly undulate, apices acuminate. Veins obvious, up to 15 lateral veins per cm; false veins long, up to ± halfway from margin to costule. Sori ca. 0.5 mm from margin, ca. 1 mm, composed of 10-12 sporangia.

● Hainan.