Native to (or naturalized in) Oregon:
- Broadleaf, evergreen groundcover, dense, low mat, to about 12 inches (30 cm) high, creeping, grows 30 cm/yr. Shoots shaggy pubescent with solitary small, recurved prickles. Leaves alternate, simple, broadly oval-rounded, 2-4 cm long and wide, 3-5 lobes, base deeply cordate, margins undulate and sharply serrate, deep green, pubescent underneath. Flowers paired or solitary, white, about 1.5 cm wide. Fruit bright yellow to red.
- Sun to part shade
- Hardy to USDA Zone 7 Native to Taiwan and the Philippines.
- Taxonomy: The Latin name for this plant in the nursery trade has been Rubus calycinoides (or Rubus pentalobus) and Rubus hayata-koidzumii, however the botanically accepted name is now Rubus rolfei. It will likely take some time before the latter name is used in commerce.
- Often listed with the cultivar name of 'Emerald Carpet'.
- Oregon State Univ. campus: southeast Finley dorm.
- Corvallis: north side of Walnut Blvd. between Rolling Green and Garrayana