↑ C. oleifera. Abel 1818. Southern China, south of Yangtze River, Shanxi and Vietnam. Cultivated for oil production, used for cold-hardy hybrids, grows to 23 ft (7 m) hight, flowers in fall. Chromosome number: 2n = 30, 60, 90 (Kondo, 1977).

↑ Seedling of C. oleifera. Abel 1818. Southern China, south of Yangtze River, Shanxi and Vietnam. Cultivated for oil production, used for cold-hardy hybrids, grows to 23 ft (7 m) hight, flowers in fall.

↑ Winter’s Rose. C. oleifera ‘Plain Jane’ x C. x hiemalis ‘Otome’. William Ackerman. Survives very low winter temperatures – down to -15 F / -26 C.

↑ Winter’s Rose. C. oleifera ‘Plain Jane’ x C. x hiemalis ‘Otome’. William Ackerman. Survives very low winter temperatures – down to -15 F / -26 C.

↑ Winter’s Rose. C. oleifera ‘Plain Jane’ x C. x hiemalis ‘Otome’. William Ackerman. Survives very low winter temperatures – down to -15 F / -26 C.

↑ Winter’s Rose. C. oleifera ‘Plain Jane’ x C. x hiemalis ‘Otome’. William Ackerman. Survives very low winter temperatures – down to -15 F / -26 C.

↑ Winter’s Rose. C. oleifera ‘Plain Jane’ x C. x hiemalis ‘Otome’. William Ackerman. Survives very low winter temperatures – down to -15 F / -26 C.

↑ Winter’s Rose. C. oleifera ‘Plain Jane’ x C. x hiemalis ‘Otome’. William Ackerman. Survives very low winter temperatures – down to -15 F / -26 C.