Houstonia longifolia
 
Long-Leaved Bluets

Flowers in Ground

Hudson Bay Regional Park
26-June-2018

bullet

Houstonia: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus. 
bullet

low plants

bullet

leaves opposite, in pairs; NOT [leaves apparently whorled, the stipules resembling the leaves]

 

bullet

Rubiaceae: Answers to key questions in Budd's Flora  leading to this family. 
bullet

herbs; NOT [shrubs or trees]

bullet

plants green or with some chlorophyll; NOT [plants parasitic or saprophytic, without chlorophyll]

bullet

plants without milky juice

bullet

not climbing plants with tendrils

bullet

leaves opposite; NOT [leaves basal or alternate]

bullet

leaves with stipules, sometimes appearing whorled; NOT [leaves without stipules]

bullet

flowers not in heads or spikes; NOT [flowers in long or short spikes], NOT [flowers in heads or in form resembling a head]

bullet

flowers with two floral rings

bullet

petals wholly or partly united forming a tube or bell

bullet

stamens 4 or 5; NOT [stamens 3]

bullet

ovary inferior; NOT [ovary superior]