Epimedium grandiflorum

Epimedium grandiflorum, the large flowered barrenwort, or bishop's hat, is a species of flowering plant in the family Berberidaceae, native to Japan and Korea.[2]

Epimedium grandiflorum
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Ranunculales
Family: Berberidaceae
Genus: Epimedium
Species:
E. grandiflorum
Binomial name
Epimedium grandiflorum
Synonyms[1]
  • Endoplectris tricolor Raf.
  • Epimedium grandiflorum f. flavescens Stearn
  • Epimedium grandiflorum f. heterochroum Y.Hayashi
  • Epimedium grandiflorum f. violaceum (C.Morren) Stearn
  • Epimedium grandiflorum var. higoense T.Shimizu
  • Epimedium macranthum C.Morren & Decne.
  • Epimedium pumilum Baker
  • Epimedium violaceum var. grandiflorum Siebold & de Vriese

Description

It is a deciduous perennial growing to 30 cm (12 in), with bright red stems with green heart-shaped leaves (copper-tinged when young) which are slightly hairy on the bottom. In spring it produces pink, white, yellow or purple long-spurred flowers.[3] The Latin specific epithet grandiflorum means large-flowered.[4]

Cultivation

Numerous cultivars have been selected for garden use, of which the following have gained the Royal Horticultural Society's Award of Garden Merit:[5]

  • E. grandiflorum 'Akagi-Zakura'[6]
  • E. grandiflorum 'Circe'[7]

Use

It is commonly packed in a capsule with other ingredients or sold as herbal flakes or powder with the name "horny goat weed".[8]

References
  1. "WFO Synonyms - E. grandiflorum". World Flora Online. Retrieved 25 September 2022.
  2. "Epimedium grandiflorum". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 25 September 2022.
  3. RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 978-1405332965.
  4. "Epimedium grandiflorum - Plant Finder". www.missouribotanicalgarden.org. Retrieved 2022-07-25.
  5. "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2021. p. 38. Retrieved 25 September 2022.
  6. "RHS - E. grandiflorum 'Akagi-Zakura'". Retrieved 25 September 2022.
  7. "RHS - E. grandiflorum 'Circe'". Retrieved 25 September 2022.
  8. "HORNY GOAT WEED: Uses, Side Effects, Interactions and Warnings - WebMD". www.webmd.com. Retrieved 2017-10-20.
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