Euphrasia subarctica
Northern Eyebright

Whole Plant

Hudson Bay Trout Pond, 1.5 Miles East of Hudson Bay

The plant is an annual with fibrous roots.  Note the opposite branches and leaves.

Euphrasia: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus. 
stems leafy; NOT [leaves in a basal rosette]
all leaves opposite; NOT [leaves alternate]; NOT [upper leaves whorled]
upper leaves stalkless; NOT [leaves with stalks]
leaves 2-10 mm long; NOT [leaves 10-40 mm long]
leaves ovate; NOT [leaves linear to lanceolate]
leaves palmately lobed or with large teeth; NOT [leaves more less entire], NOT [leaves pinnately lobed or cleft]
leaves palmately veined; NOT [leaves pinnately veined]
floral leaves or bracts usually green; NOT [floral leaves or bracts brightly colored, usually red or yellow, or shades of these colours]
flowers not solitary
all flowers opposite; NOT [upper flowers whorled]
flowers less than 10 mm long; NOT [flowers large and showy, 10-35 mm long]
calyx much shorter; NOT [calyx about 1 cm long in flower]
calyx 4-lobed; NOT [calyx 5-lobed]
calyx not membranous
calyx not much inflated in fruit
corolla not spurred
corolla white to yellow; NOT [corolla pinkish  purple]
four anther bearing stamens, no sterile stamens


Osmorhiza: Answers to key questions in Budd's Flora leading to this family. 
herbs; NOT [shrubs or trees]
plants green or with some chlorophyll; NOT [plants parasitic or saprophytic, without chlorophyll]
plants not aquatic
stems not square
leaves not bearing bladders
flowers not in heads or spikes; NOT [flowers in long or short spikes], NOT [flowers in heads or in form resembling a head]
flowers with two floral rings
petals wholly or partly united forming a tube or bell
corolla irregular; NOT [corolla regular]
ovary superior; NOT [ovary inferior]
fruit a many-seeded capsule; NOT [fruit with 4 nutlets]