C. asperifolia var. drummondii
Native to (or naturalized in) Oregon:
- Deciduous shrub, usually to about 6 ft (2 m) high, but may reach 16 ft (5 m), thicket forming, shoots arise at the margin of the thicket from underground stems. Twigs of current year's growth very pubescent. Leaves opposite, simple, ovate to elliptic, 4-9 cm long, 3-4.5 cm wide, 3-5 vein pairs, entire margin, tip pointed (acuminate), base rounded to obtuse, upper surface dull green, rough, with short hairs, lower surface paler, and densely wooly, petiole pubescent. Flowers perfect (both male and female parts), small (about 8-10 mm wide), creamy-white, 4 petals and 4 stamens, in flat-topped terminal clusters (cymes), 4-6 cm across; blooms in late spring. Fruit greenish but white when ripe, globose, 6-7 mm wide, 1-seeded.
- Sun to part shade. A very hardy shrub, "will withstand drought or extreme cold, even though its range does not extend into the far north" (Stephens, 1973).
- Hardy to USDA Zone 4 Native range from Pennsylvania, Ohio and Michigan, west to South Dakota, south to Texas, and east to Mississippi.
- drummondii: after Thomas Drummond (c. 1790-1835) who collected in North America, including Canada and Texas, his brother James (c. 1784-1863) collected in Western Australia; both collected for Messrs Veitch who operated a leading nursery in England for over 100 years.