- 切形の, さい（截）形の（日本語）
Glossary of "Flora of Okinawa and the Southern Ryukyu Islands" by Walker (1976)
- Suddenly rather than gradually, as when a pinnate leaf lacks a terminal leaflet, or a leaf suddenly changes shape at the apex. 切形の, さい（截）形の
- Walker, E. H. 1976. Flora of Okinawa and the Southern Ryukyu Islands. ix + 1159 pp. Smithsonian Institution Press, Washington, D. C.