Capsella bursa-pastoris
 
Shepherd's Purse

Flower Side

Regina
16-May-2016

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Capsella: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus. 
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plants of lowland habitats; NOT [plants of alpine habitats]

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plants mostly terrestrial; NOT  [plants aquatic, usually submerged]

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plants with leafy stems; NOT  [plants with basal leaves only]

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basal leaves pinnate

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cauline leaves auriculate, clasping

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petals white; NOT [petals yellow]

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fruit 2-3 times longer than broad or shorter; NOT [fruit much longer than broad]

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fruit not strongly inflated

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fruit strongly flattened

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fruit compressed at right angles to the central partition

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fruit triangular; NOT [pods orbicular]

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fruit not winged; NOT [pods more or less winged]

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more than one seed in each compartment of pod; NOT [one seed in each compartment of pod]

 

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Cruciferae: 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

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

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sepals 4

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

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each petal distinct from the others

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petals 4; NOT [petals 5]

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stamens 6, four long and two short

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ovary superior; NOT [ovary inferior]

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