蘇鐵蕨

Bowringia insignis Hook. in Journ. Bot. 5: 237. 1853. Brainea formosana Hayata in Bot. Mag. Tokyo 42: 237. 1928. Brainea insignis ( Hook.) J. Sm. var. formosana (Hayata) Tagawa in Journ. Jap. Bot. 12: 542. 1936.

NANTOU: Meiyuan, Simozawa 225; Kuantaochi, Kuo 2101*. Huang & Kao 6017; Sun Moon Lake, Sasaki s. n. Sept. 1929.

Distributed in Thailand, Malaya, Indonesia, the Philippines, South China and Taiwan.

Hayata thought the plants from Taiwan should be consideres as a distinct new species because of a difference in their venation pattern, however it seems to us that this difference is very minor.