Webster’s Revised Unabridged Dictionary · 1913
Leafless
Leaf′less, a. Having no leaves or foliage; bearing no foliage. "Leafless groves." Cowper. — Leaf′less·ness, n.
Leafless plants, plants having no foliage, though leaves may be present in the form of scales and bracts. See Leaf, n., 1 and 2.