The Collaborative International Dictionary
Paleaceous
Paleaceous \Pa`le*a"ceous\, a. [L. palea chaff.] (Bot.) Chaffy; resembling or consisting of pale[ae], or chaff; furnished with chaff; as, a paleaceous receptacle.
Wiktionary
paleaceous
a. (context botany English) chaffy; resembling or consisting of paleae, or chaff