Choose a genus
Abelia
Abies
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Actinidia
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Clethra
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Crataegus
Cryptomeria
Cunninghamia
Cupressocyparis
Cytisus
Daphne
Davidia
Deutzia
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Dirca
Elaeagnus
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Enkianthus
Erica
Eucommia
Euonymus
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Fallopia
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Gleditsia
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Kolkwitzia
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Stephanandra
Stewartia
Styrax
subsp.
Symphoricarpos
Syringa
Taxodium
Taxus
Tetradium
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Ulmus
Vaccinium
var.
Viburnum
Vinca
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Xanthorhiza
Zelkova
Choose a species
Rhamnus cathartica
Rhamnus frangula
Rhamnus frangula 'Asplenifolia'
Rhamnus frangula 'Columnaris'
Rhamnus cathartica
Common buckthorn
The mostly dioecious flowers are insignificant, small, yellowish-green, 4-petaled, and borne in 2 to 5 flowered umbels.
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