n.

cup-shaped structure of hardened bracts at the base of an acorn

同義詞：acorn cup

a sucker on the feet of certain flies

Cupules
On the Evolution of Cupules in the Fagaceae
Hull Cupules of Chiton Eggs: Parachute Structures and Sperm Focusing Devices?
Fagaceous Flowers, Fruits, and Cupules from the Campanian (Late Cretaceous) of Central Georgia, USA
Permineralized seed fern cupules from the Triassic of Antarctica: implications for cupule and carpel evolution
12.—Further Observations on some Lower Carboniferous Seeds and Cupules
The Inflorescence of Fagus and Castanea, and the Evolution of the Cupules of the Fagaceae
AIRFLOW PATTERNS AROUND SOME EARLY SEED PLANT OVULES AND CUPULES: IMPLICATIONS CONCERNING EFFICIENCY IN WIND POLLINATION
Procede et appareil destine a empecher la contamination croisee de plaques de test a cupules multiples
Pullaritheca longii gen. nov. and Kerryia mattenii gen. et sp. nov., lower carboniferous cupules with ovules of the Hydrasperma te...