Sorbus koehneana (western to central China)
Habit: Usually medium-size shrub, rarely a small tree, 2-4 m tall and wide; short stem or several shoots, loose and broad, funnel-shaped when old; very slow-growing; 10-15 cm a year.
Flowers: Umbel-like, white, while leaves shoot May to June.
Fruits: Uncommon colours: stem red, berries porcelain-white, very sour to bitter taste, unpalatable.
Leaves: Pinnate, like ferns, leaflets slenderly elliptical, bluish green or pale green; grey-green underneath, copper-red in autumn.
Demands: See S. aucuparia.
Native habitat: Occurs in China mostly in deciduous and mixed conifer forests. Near Sorbus koehneana, one finds the Chinese black pine. Under its umbrella-shaped crown, such decorative shrubs as Buxus, Deutzia, Euonymus (such as E. alatus), Philadelphus, Rosa (such as Rosa multiflora), Spiraea and Viburnum are found.
Hardiness: Zone 6