Corydalis aurea
 
Golden Corydalis

Stem

Centre Block, Cypress Hills Interprovincial Park
14-June-2001

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Aurea: Answers to key questions in Budd's Flora and Flora of Alberta leading to this species. 
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plant usually somewhat prostrate; NOT [plants fairly erect]

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flowers yellow; NOT [flowers pink or purplish pink, with yellow tips]

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capsules spreading or pendent; NOT [capsules ascending]

 

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Corydalis: Answers to key questions in Budd's Flora leading to this genus. 
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plants NOT climbing

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corolla deciduous; NOT [corolla persistent]

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only one of the petals saccate; NOT [the two outer petals saccate]

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fruit an elongate capsule; NOT [fruit globose]

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fruit with more than one seed; NOT [fruit with a single seed]

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seed crested

 

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Fumariaceae: Answers to key questions in Budd's Flora  leading to this family. 
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herbs; NOT [shrubs or trees]

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plants terrestrial or semiaquatic; NOT [plants aquatic, leaves submerged or floating]

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plants NOT with colored milky juice

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plants with more than one normal leaf

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some or all leaves alternate; NOT [leaves opposite, whorled, or basal]

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leaves without stipules, or having glands; NOT [leaves with stipules]

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flowers with two floral rings, and with each petal distinct from the others]

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calyx regular; NOT [calyx irregular, some sepals smaller than others]

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sepals 2; NOT [sepals 5, two large, colored, and petal-like]

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corolla irregular in shape; NOT [corolla regular in shape]

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petals 4; NOT [petals 3]

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stamens 10 or fewer; NOT [stamens usually more than 10]

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ovary superior; NOT [ovary inferior]

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carpels 1 or 2; NOT [carpels 3-5]