Viola adunca
 
Early Blue Violet

Stamens Adaxial Side

Good Spirit Lake Provincial Park
19-May-2012

Note each connective is extended apically into a brown, membranous appendage.

Adunca: Answers to key questions in Budd's Flora and Flora of Alberta leading to this species. 

plants perennial; NOT [plants annual]

plants with well-developed leafy stems; NOT [plants lacking stems, the leaves and peduncles arising from a caudex or stolons]

stipules bract-like, much smaller than the leaf blades; NOT [stipules leaf-like, large, about the same length as the leaf blades]

stipules toothed; NOT [stipules entire], NOT [stipules laciniate at base]

flowers axillary

flowers deep violet to purple to whitish blue; NOT [flowers white to pale violet to mauve], NOT [flowers yellow]

 

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

herbs; NOT [shrubs or trees]

plants terrestrial or semiaquatic; NOT [plants aquatic, leaves submerged or floating]

plants NOT with colored milky juice

plants with more than one normal leaf

some or all leaves alternate; NOT [leaves opposite, whorled or basal]

leaves with stipules; NOT [leaves without stipules, or having glands]

flowers with two floral rings, and with each petal distinct from the others

flowers irregular in shape; NOT [flowers regular in shape]

calyx regular; NOT [calyx irregular, some sepals smaller than others]

corolla with one petal spurred or sac-like; NOT [corolla pea-like]

stamens usually separate or partly so, not in a column; NOT [stamens numerous, united into a column]

fruit a 3-valved capsule; NOT [fruit a legume]