Hypericum grandifolium

Hypericum grandifolium_Eric Wrubel_NPS
Photo: Eric Wrubel, NPS

Common names: large-leaved Hypericum

Hypericum grandifolium (large-leaved Hypericum) is a shrub (family Clusiaceae) with yellow flowers and oval-shaped leaves found in the San Francisco Bay area in California. It is native to Madeira and the Canary Islands. It grows in woodlands. It spreads via rhizomes and seeds. Its seeds are buoyant and can be carried by water.

Cal-IPC Rating: Watch

CDFA Rating: None?


Plant Risk Assessment - An evaluation of the potential for a plant to be invasive in California.

Weed Management Notes

No Weed RIC Management Notes are available for this species. Check for information on other species in the genus on the Weed RIC site.

Cal-IPC Newsletter Articles

Cal-IPC Symposium Presentations

Presentations are linked where available. Where a presentation is not available, find more information by reading the abstract in the Cal-IPC Symposia Archive.

Other Hypericum grandifolium Information

  • CalPhotos - Images of plants taken mostly in California.
  • Calflora - Distribution map and records of this species in California.
  • CalWeedMapper - Distribution map of this species in California with ability to determine regional priorities.
  • EDDMapS - Distribution of this species in North America.
  • USDA PLANTS Database - Information on identification and distribution, with links to websites in individual states.
  • Additional photos

    Hypericum grandifolium_leaves, stem, and flowers_EricWrubel
    Hypericum grandifolium (large-leaved Hypericum) leaves, stem, and flowers. Photo: Eric Wrubel
    Hypericum grandifolium_growth habit_EricWrubel
    Hypericum grandifolium (large-leaved Hypericum) growth habit. Photo: Eric Wrubel