FLOWERLESS

flowerless, nonflowering

(adjective) without flower or bloom and not producing seeds; “a flowerless plant”

Source: WordNet® 3.1

Etymology

Adjective

flowerless (not comparable)

Without flowers.

Source: Wiktionary

Flow"er*less, a.

Definition: Having no flowers. Flowerless plants, plants which have no true flowers, and produce no seeds; cryptigamous plants.

Source: Webster’s Unabridged Dictionary 1913 Edition