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FNA | Family List | FNA Vol. 9 | Amaryllidaceae | Rosaceae subfam. Amygdaloideae

4c1. Rosaceae Jussieu (subfam. Amygdaloideae) tribe Lyonothamneae Brouillet, J. Bot. Res. Inst. Texas. 2: 385. 2008.

Luc Brouillet

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.

Species 1: California (Channel Islands).

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

Lower Taxon


 

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