Dryopteris


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Dryopteris

a genus of the fern family Aspleniaceae; rhizomes contain a toxin thought to be a thiaminase and which causes somnolence, stumbling gait and blindness due to encephalopathy in sheep and cattle. Includes D. borreri, D. filix-mas. Called also male fern.
References in periodicals archive ?
Note: Dryopteris X australis (Wherry) Small, * SOUTHERN OR DIXIE WOOD FERN, an infertile hybrid of Log Fern, Dryopteris celsa and Florida Wood Fern, Dryopteris ludoviciana (Kunze) Small, has been extirpated from its type locality in Cherokee County, where it was originally discovered in 1936.
Dryopteris erythrosora is christened with its fanciful names because the new leaves are red, unfurl as copper and then turn a deep, rich green as they mature.
Our dryopteris dilatata, the native broad buckler fern, is just as graceful and also deciduous.
ALL ITS GLORY: Dryopteris affinis, the Golden Male Fern, can reach 90 cm (36in) tall and has produced some wonderful variations with twisted and congested fronds that add another dimension to the display
Synonyms: Dryopteris thelypreris (Linnaeus) Gray-- M; Thelypteris thelypteris-- S.
Partial consumption of shield fern, Dryopteris dilatata, rhizomes by black-tailed deer, Odocoileus hemionus sitkensis, and its potential implications.
In contrast, species of Asplenium (Aspleniaceae), Dryopteris (Dryopteridaceae), Pleopeltis, Polypodium (Polypodiaceae), Cystopteris and Woodsia (Woodsiaceae) are deciduous or poikilohydric taxa, which evade water stress and have low or intermediate DV and SD, more indument, and are characteristic of forested, shaded and moister environments; and these are phylogenetically more similar to each other (Schuettpelz and Pryer, 2008).
Dryopteris erythrosora The hardy wood fern's feathery new growth blends copper, pink, and gold tones that turn rust-colored in fall.
Spore germination was induced by red light (650-670 nm) and inhibited when exposed to far-red light (733-750 nm) in the ferns Dryopteris filix-mas (L.
Our Dryopteris dilatata, the native 'Broad Buckler Fern' is just as graceful and also deciduous.
The experimental induction of buds from leaf primordia in Dryopteris aristata Druce.
Chromosome numbers of 13 species in the genus Dryopteris (Dryopteridaceae) from Yunnan, China.