Rydbergii: Answers to key questions in Budd's Flora and Flora of Alberta leading to this species.  low plant with a single stem, woody at base; NOT [much branched shrub, 1-2 m high] leafing before flowering; NOT [leafing after flowering] leaflets 3-10 cm long; NOT [leaflets usually less than 3 cm long] fruit white; NOT [fruit red] fruit smooth; NOT [fruit hairy]

 

Anacardiaceae: Answers to key questions in Budd's Flora  leading to this family.  shrubs or trees; NOT [herbs] plants NOT climbing plants with normal leaves leaves alternate; NOT [leaves opposite] leaves compound; NOT [leaves simple] leaflets NOT leathery leaflets NOT spinose-tipped flowers dioecious or perfect; NOT [flowers perfect] flowers with two floral rings each petal distinct from the others petals 5; NOT [petal (standard) solitary] stamens 5; NOT [stamens numerous] fruit NOT a legume