Adoxaceae
Adoxaceae image
Malcolm Storey
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Desert Research Learning Center, Botany Program

Shrubs and trees with opposite toothed leaves, which can be opposite or simple. Inflorescence usually flat-topped, cymose, with many small flowers, flowers 5-merous or 4-merous, calyx open during development, rotate corolla, style short, with a drupaceous fruit. 

This order has been undergoing revision in recent years. Current research indicates that the entire lineage has been undergoing major diversification in relatively recent times (about 10 million years). The synapomorphies of the order are that the leaves are opposite and often basally connate, the margins are gland toothed, the inflorescence is cymose, with often monosymmetric flowers, and the calyx is persistent in fruit. There are between 2 and 7 familes (depending on the phylogeny), 45 genera, and about 1100 species. Adoxaceae was recently segregated from Caprifoliaceae. 

Species within inventory project: Intermountain Regional Herbarium Network
Adoxa moschatellina
Image of Adoxa moschatellina
Sambucus canadensis
Image of Sambucus canadensis
Sambucus cerulea
Image of Sambucus cerulea
Sambucus racemosa
Image of Sambucus racemosa
Viburnum dentatum
Image of Viburnum dentatum
Viburnum lantana
Image of Viburnum lantana
Viburnum opulus
Image of Viburnum opulus
Viburnum rhytidophyllum
Image of Viburnum rhytidophyllum
Viburnum sieboldii
Image of Viburnum sieboldii
Viburnum trilobum
Image of Viburnum trilobum
Viburnum x burkwoodii
Image of Viburnum x burkwoodii