1. Christensenia aesculifolia (Blume) Maxon, Proc. Biol. Soc. Washington. 18: 240. 1905.
天星蕨 tian xing jue
Aspidium aesculifolium Blume, Enum. Pl. Javae 2: 143. 1828; Christensenia assamica (Griffith) Ching; C. lobbiana (de Vriese) Rolleri; Kaulfussia aesculifolia (Blume) Blume; K. assamica Griffith; K. korthalsii de Vriese; K. lobbiana de Vriese.
Plants up to 80 cm tall. Rhizomes creeping (to suberect), short, fleshy, scaly; scales brown with red spots, large, rounded. Stipes up to 36(-50) cm. Laminae simple or pedately lobed to palmate, middle pinna largest, 9-25 × 3-15 cm, bases cuneate, margins entire to undulate, apices acute to acuminate, distal pinnae (if present) smaller, inequilateral and subrounded at base, margins entire, lobed, or broadly crenate, usually undulate, apices acute to acuminate. Synangia radially arranged, circular, made up of 8-12 sporangia.
On limestone. Yunnan [India, Indonesia, Malaysia, Myanmar, Papua New Guinea (Bismarck Archipelago), Philippines, Vietnam; Pacific islands (Solomon Islands)].