Viola pubescens
 
Downy Yellow Violet

Petiole Top

Junction of # 980 and # 981, East of Hudson Bay
17-June-2014

Note the pubescence on the petiole.

A key to violets originally written by Vern Harmes and subsequently expanded by Glen Lee to include most of the violets found in Saskatchewan can be found here

bullet

Pubescens: Answers to key questions in Lee/Harmes key leading to this species. 
bullet

plants 20 to 40 cm tall

bullet

stems covered in downy hairs

bullet

flowering stems leafy at the top

bullet

leaves ovate with cordate bases

bullet

flowers yellow

 

bullet

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

herbs; NOT [shrubs or trees]

bullet

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

bullet

plants not with colored milky juice

bullet

plants with more than one normal leaf

bullet

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

bullet

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

bullet

flowers with two floral rings

bullet

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

bullet

corolla with each petal distinct from the others

bullet

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

bullet

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

bullet

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

bullet

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