Sorbus subg. Torminaria

(de Candolle) K. Koch

Hort. Dendrol., 178. 1853.

Introduced
Basionym: Pyrus sect. Torminaria de Candolle
Synonyms: Undefined subg. Torminalis Medikus
Treatment appears in FNA Volume 9. Treatment on page 436. Mentioned on page 433, 434.
Revision as of 18:18, 18 September 2019 by FNA>Volume Importer

Trees, to 120[–200] dm. Winter buds glutinous [or not]. Leaves simple; petiole nodes 3-lacunate; blade margins relatively deeply lobed. Flowers: styles connate 1/2 their lengths. Pomes: epidermis multilayered; flesh composed entirely of tanniferous cells; core present.

Distribution

Wash., Eurasia, n Africa.

Discussion

Species 3 (1 in the flora).

The two other species of this subgenus are of apparent hybrid origin, possibly with subg. Aria, and exhibit less deeply lobed leaves and pome flesh with tanniferous cells in groups.

Selected References

None.

Lower Taxa