Platycarya strobilacea
Common name: 
Hua xiang shu
plat-i-KA-ri-a stro-bil-AH-se-ah
Native to (or naturalized in) Oregon: 
  • Broadleaf deciduous tree, small, 20-30 ft (6-9 m) tall, rounded crown.  Leaves alternate, compound (odd-pinnate), 15-30 cm long, 7-15 leaflets, each leaflet ovate to oblong-lanceolate, 4-10 cm long, apex acuminate, margin serrate, dark green, without hairs when mature; when crushed have the fragrance of Black Walnut.   Male flowers in erect catkins 5-8 cm long.  Female flowers in solitary, erect, cone-like catkins about 3 cm long.  Fruit is a small, winged nutlet, to 5mm, green, then brown, in a cone-like structure.
  • Sun, best in moist, well-drained soil.
  • Hardy to USDA Zone 6     Native to central and southern China, Taiwan, Korea, and Japan.
  • strobilacea: cone-like, a reference to the female seed catkin.   A strobile is a cone or a flower cluster resembling a cone.
  • Santa Cruz, California: U.C. Santa Cruz Arboretum
Click image to enlarge
  • leaves and female catkins

    leaves and female catkins

  •  leaf and female catkin

    leaf and female catkin

  • leaf


  • female catkins, late summer

    female catkins, late summer

  • female catkins, previous season's

    female catkins, previous season's