Larix laricina
 
Tamarack

Early Leaf Cluster

Duck Mountain Provincial Park
15-May-2015

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Laricina: Answers to key questions in Budd's Flora and Flora of Alberta leading to this species. 
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twigs glabrous, or pubescent only when young; NOT [twigs tomentose pubescent, even when old]

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leaves 1-2.5 cm long; NOT [leaves 3-4 cm long]

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leaves 3-angled

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seed cones 1-2.5 cm long; NOT [seed cones 2-5 cm long]

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scales of cones glabrous; NOT [scales of cones puberulent]

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bracts of seed cones shorter than the scales; NOT [bracts of seed cones extending beyond the scales]

 

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Larix: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus. 
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leaves in clusters of 10-40; NOT [leaves in clusters of 2-5], NOT [leaves borne singly on the branches]

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leaf cluster on a short spur-shoot; NOT [leaf cluster surrounded by a papery sheath at the base]

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leaves deciduous; NOT [leaves evergreen]

 

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Pinaceae: Answers to key questions in Budd's Flora  leading to this family. 
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leaves borne singly and alternately, or in clusters; NOT [leaves opposite or whorled]

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leaves not overlapping; NOT [leaves often overlapping]

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leaves linear or needle-shaped; NOT [leaves scale-like or awl-shaped]

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plants monoecious; NOT [plants dioecious]

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ovulate cones present; NOT [ovulate cones absent, the seeds solitary, surrounded by a red fleshy cup-like aril]

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ovulate cones woody

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ovulate cones with many scales; NOT [ovulate cones with 12 scales or less]

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ovulate cones with spirally arranged scales; NOT [ovulate cones with opposite or whorled scales]

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ovulate cones several to many seeded