Streptopus amplexifolius
 
Clasping-Leaf Twisted-Stalk

Leaf Top

Centre Block, Cypress Hills Interprovincial Park
09-July-2014

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Amplexifolius: Answers to key questions in Budd's Flora and Flora of Alberta leading to this species. 
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plants 5-10 dm tall; NOT [plants less than 3 dm tall]

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nodes glabrous; NOT [nodes fringed]

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leaves clasping the stem; NOT [leaves sessile, not clasping the stem]

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flowers greenish white; NOT [flowers reddish, pink or rose]

 

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Streptopus: 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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stems nearly always branched; NOT [stems not branched]

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

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

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stems leafy

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

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

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

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perianth segments free to the base; NOT [perianth segments free at the tip only]

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fruit 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]