Difference between revisions of "Rosaceae tribe Lyonothamneae"

Revision as of 23:12, 16 December 2019

Trees, sometimes shrublike; unarmed. Leaves opposite, simple or pinnately compound; stipules caducous, free; venation pinnate. Flowers: perianth and androecium perigynous; epicalyx bractlets (1 or)2 or 3; hypanthium hemispheric; torus absent; carpels 2(or 3), distinct, free, styles terminal, distinct; ovules 2–4+, nearly apical, pendulous, clustered. Fruits aggregated follicles; styles tardily falling.

Distribution

Calif. (Channel Islands).

Discussion

Species 1.

The base chromosome number for Lyonothamneae is x = 9. Cyanogenic glycosides are absent from Lyonothamnus.

Selected References

None.

Lower Taxa

Lyonothamnus

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