Pteris ensiformis

Pteris ensiformis, the slender brake, silver lace fern, sword brake fern, or slender brake fern, is a plant species of the genus Pteris in the family Pteridaceae. It is found in Asia and the Pacific.

Beverages
It is the most common ingredient of traditional herbal drinks in Taiwan containing different phenolic compounds : kaempferol 3-O-α-l-rhamnopyranoside-7-O-[α-d-apiofuranosyl-(1-2)-β-d-glucopyranoside], 7-O-caffeoylhydroxymaltol 3-O-β-d-glucopyranoside, hispidin 4-O-β-d-glucopyranoside, kaempferol 3-O-α-l-rhamnopyranoside-7-O-β-d-glucopyranoside, caffeic acid, 5-O-caffeoylquinic acid, 3,5-di-O-caffeoylquinic acid and 4,5-di-O-caffeoylquinic acid.

This plant is resistant to arsenic-induced oxidative stress.

Benzoyl-beta-D-glucoside, as well as pterosin sesquiterpenes can be found in P. ensiformis.

Cultivation
Pteris ensiformis is cultivated as an ornamental plant for tropical and subtropical climate gardens, and as a house plant.
 * Cultivars
 * Pteris ensiformis 'Victoriae', the Victoria fern
 * Pteris ensiformis 'Evergemiensis'