Difference between revisions of "Rosaceae tribe Ulmarieae"

Revision as of 23:10, 16 December 2019

Herbs, perennial; unarmed. Leaves alternate, pinnately compound; stipules persistent, free or adnate to petiole; venation pinnate to nearly palmate basally. Flowers: perianth and androecium perigynous; epicalyx bractlets absent; hypanthium flat to concave; torus inconspicuous, sometimes enlarged in fruit; carpels 5–12, distinct, free, styles terminal to subterminal, distinct; ovules 2, apical, superposed. Fruits aggregated achenes; styles persistent, not elongate.

Distribution

North America, Eurasia, n Africa, introduced in Pacific Islands (New Zealand), Australia.

Discussion

Genus 1, species 15 (4 in the flora).

The base chromosome number for Ulmarieae is x = 7.

Selected References

None.

Lower Taxa

Filipendula

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