Rosaceae tribe Roseae

Lamarck & de Candolle

Syn. Pl. Fl. Gall., 331. 1806.

Treatment appears in FNA Volume 9. Treatment on page 74. Mentioned on page 21, 22, 23.

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, widely worldwide

Discussion

Genus 1, species ca. 140 (33 in the flora).

The base chromosome number for Roseae is x = 7.

Selected References

None.

Lower Taxa

... more about "Rosaceae tribe Roseae"
Luc Brouillet +
Lamarck & de Candolle +
compound +  and simple +
opposite +  and alternate +
free +  and distinct +
North America +, Mexico +, Eurasia +, Africa +, Pacific Islands +, Australia +  and widely worldwide +
not +  and aggregated +
unisexual +  and bisexual +
not +  and aggregated +
crassinucellate +
3-foliate +  and compound +
deciduous +  and persistent +
toothed +, unlobed +  and lobed +
distinct +
inferior +  and superior +
clustered +, biseriate +  and superposed +
0 (?) +  and 4 (?) +
free +  and distinct +
5 +  and 4 +
adnate +, free +, connate +  and distinct +
Syn. Pl. Fl. Gall., +
not arillate +
free +  and distinct +
free +  and distinct +
branched +  and simple +
caducous +  and persistent +
persistent +
connate +  and distinct +
basal +, lateral +, subterminal +  and terminal +
not elongate +
Rosaceae tribe Roseae +
Rosaceae subfam. Rosoideae +
inconspicuous +
enlarged +  and small +
armed +  and unarmed +
subshrub +  and shrub +