长尾莲座蕨 chang wei lian zuo jue

Angiopteris subintegra Ching; A. venulosa Ching.

Fronds 1-2 m; stipes tuberculate. Laminae bipinnate; pinnae 40-50 × 15-20 cm, with 11 or 12 pairs of pinnules; pinnules 10-13 × 2.5-3.5 cm, bases rounded, margins sharply serrate, apices long caudate. Veins obvious; false veins long, ± halfway from margin to costule. Sori 0.3-0.5 mm from margin, ca. 1 mm, composed of 7-17 sporangia. Exospores with reticulate ornamentation.

● Forests by streams. Hainan.