flowering fern n 1: Australasian fern with clusters of sporangia on stems of fertile fronds [syn: {flowering fern}, {Helminthostachys zeylanica}] 2: any fern of the genus Osmunda: large ferns with creeping rhizomes; naked sporangia are on modified fronds that resemble flower clusters [syn: {flowering fern}, {osmund}]
Flowering \Flow"er*ing\, a. (Bot.) Having conspicuous flowers; -- used as an epithet with many names of plants; as, flowering ash; flowering dogwood; flowering almond, etc. [1913 Webster] {Flowering fern}, a genus of showy ferns ({Osmunda}), with conspicuous bivalvular sporangia. They usually grow in wet places. {Flowering plants}, plants which have stamens and pistils, and produce true seeds; phenogamous plants; -- distinguished from {flowerless plants}. {Flowering rush}, a European rushlike plant ({Butomus umbellatus}), with an umbel of rosy blossoms. [1913 Webster]