ISBN: 9781908787101
hardcover with dust jacket
234 x 163 mm
xiv + 448 + 2 pp.
376 images (5 maps, 2 graphs, a few drawings and old reproductions, otherwise color photos) + 9 photos of authors + 4 photos of previously released books, 4 tables
A brand new copy of this rather rare title.
The only monograph of the genus. Presented are over 100 cultivars.