incubous

Century Dictionary and Cyclopedia

1. In botany, imbricate in such a manner that the apex of a leaf lies on the base of the next one above, as in the Jungermanniaceæ.

Wiktionary

1. adj. Describing an arrangement of leaves such that anterior parts of older leaves overlap the posterior parts of younger ones

GNU Webster's 1913

1. adj. Having the leaves so placed that the upper part of each one covers the base of the leaf next above it, as in hepatic mosses of the genus Frullania. See succubous.