Difference between revisions of "Rosaceae tribe Roseae"
Syn. Pl. Fl. Gall., 331. 1806.
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|subfamily=Rosaceae subfam. Rosoideae | |subfamily=Rosaceae subfam. Rosoideae | ||
|tribe=Rosaceae tribe Roseae | |tribe=Rosaceae tribe Roseae | ||
Revision as of 20:35, 24 September 2019
Shrubs or subshrubs; usually armed, rarely unarmed. Leaves alternate, imparipinnately compound or 3-foliate [simple]; stipules persistent, sometimes caducous [absent], adnate to petiole base or free, auricles free; venation pinnate. Flowers: perianth and androecium perigynous; epicalyx bractlets absent; hypanthium ovoid, oblong, globose to cupulate or urceolate, rarely obovoid or hemispheric, with or without distinct necks; torus usually absent, conic if present; carpels 3–110+, styles terminal, distinct, rarely connate; ovule 1, apical. Fruits accessory; aggregated achenes enclosed within hypanthium (hip); styles persistent, not elongate.
Distribution
North America, Mexico, Eurasia, Africa, Pacific Islands, Australia, introduced widely worldwide.
Discussion
Genus 1, species ca. 140 (33 in the flora).
The base chromosome number for Roseae is x = 7.
Selected References
None.