Observation Data

Classification & Common Names

General Observation Data
Additional Comments

Previously described as Archangiopteris subrotundata. Fronds 50-120 cm; stipes 18-70 cm, with 1 naked pulvinus. Laminae once pinnate; pinnae 4-6 pairs, alternate, elliptic, 10-30 × 2.5-7.5 cm, bases cuneate, margins entire-undulate, apices caudate. Veins obvious, false veins absent. Sori medial, 0.3-2 cm; paraphyses longer than sporangia. Exospores with spinose ornamentation. Located in Yunnan (Maguan, Malipo, Xichou), China.