Rosaceae tribe Rubeae
Anal. Fam. Pl., 39. 1829.
Shrubs, subshrubs, or herbs, perennial; armed or unarmed. Leaves alternate, imparipinnately or palmately compound or simple; stipules persistent [deciduous], free or adnate to petiole; venation pinnate or palmate. Flowers: perianth and androecium perigynous; epicalyx bractlets absent; hypanthium flat to hemispheric; torus flat or convex to conic; carpels 5–150, styles apical, distinct; ovules 2, apical, collateral, only 1 maturing. Fruits aggregated drupelets; styles persistent, not elongate.
Distribution
North America, Mexico, West Indies, Central America, South America, Eurasia, Africa, Pacific Islands, Australia, introduced nearly worldwide.
Discussion
Genus 1, species 250–700 (37 in the flora).
The base chromosome number for Rubeae is x = 7. The tribe is host to Phragmidium rusts.
Selected References
None.