Maianthemum canadense
 
Wild Lily-Of-The-Valley

Inflorescence and Leaf

Good Spirit Lake Provincial Park
08-June-2012

Unlike more modern treatments, Budd's Flora and Flora of Alberta include only one lily found in the Canadian prairies in this genus.  The key answers below reflect this classification.

bullet

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

plants small; NOT [plants large] (BF)

bullet

plants usually much less than 1 m high; NOT [plants usually 1 m high or more] (FOA)

bullet

stems not branched; NOT [stems nearly always branched]

bullet

plants not climbing; NOT [plants climbing with tendrils]

bullet

cladodes absent; NOT [the photosynthetic organs (cladodes) being axillary branches with needle-like segments]

bullet

leaves green, normal, not scale-like; NOT [leaves reduced to thin, dry scales]

bullet

stems with some leaves; NOT [stems scape like or nearly so]

bullet

plants usually with only 2 or 3 leaves; NOT [plants with leafy stems]

bullet

leaves lanceolate or broader, not more than 5 times as long as wide; NOT [leaves linear or linear-lanceolate, usually many times longer than wide]

bullet

flowers several on each stem; NOT [flowers one on each stem]

bullet

flowers usually terminal; NOT [flowers axillary]

bullet

flowers in racemes; NOT [flowers solitary], NOT [flowers axillary], NOT [flowers in a large, diffuse panicle], NOT [flowers in umbels], NOT [flowers 1-4 at the tip of the stem or branches]

bullet

raceme small

bullet

perianth parts in 2ís; NOT [perianth parts in 3ís]

bullet

flowers white; NOT [flowers green]

bullet

fruit juicy; NOT [fruity dry]

 
bullet

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

plants not aquatic, or if growing in water, most of the plant emersed; NOT [plants aquatic, floating or submerged, with floating leaves or emersed inflorescence]

bullet

leaves NOT sheathing the stem

bullet

inflorescence NOT subtended by strongly sheathing bracts

bullet

flowers NOT borne in a spathe

bullet

perianth present, conspicuous, in two series of 3 segments, often brightly colored; NOT [perianth absent or inconspicuous]

bullet

perianth usually large, consisting of sepals and petals usually alike, but petals not deciduous, variously colored; NOT [perianth small, consisting of 3 green sepals and 3 deciduous whitish petals]

bullet

flowers regular; NOT [flowers irregular]

bullet

stamens 6; NOT [stamens 1 or 2], NOT [stamens 3]

bullet

ovary superior; NOT [ovary inferior]