Trillium cernuum
 
Nodding Wakerobin

Pistil Side

Near Hudson Bay, Saskatchewan
10-June-2009

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Cernuum: Answers to key questions in Budd's Flora leading to this species. 
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flowers on recurved peduncles, to below the leaves; NOT [flowers on erect peduncles, above the leaves]

 

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Trillium: Answers to key questions in Budd's Flora  and Flora of Alberta leading to this genus. 
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plants NOT climbing; NOT [plants climbing with tendrils]

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

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

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stems leafy; NOT [stems leafless]

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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]

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flowers terminal; NOT [flowers axillary]

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flower solitary or in umbels; NOT [flowers in panicles or in racemes]

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

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flowers white or pinkish; NOT [flowers orange yellow or straw yellow]

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fruit often juicy; NOT [fruit dry]

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

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leaves NOT sheathing the stem

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inflorescence NOT subtended by strongly sheathing bracts

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flowers NOT borne in a spathe

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

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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]

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flowers regular; NOT [flowers irregular]

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

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ovary superior; NOT [ovary inferior]