Hesperis matronalis
 
Dame's-Rocket

Inflorescence in Ground

Nicolle Flats, North of Moose Jaw in Qu'Appelle Valley
18-June-2012

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Hesperis: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus. 
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plants 5-15 dm tall

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leaves spreading

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leaves 5-20 cm long

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leaves lanceolate

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leaves not auriculate and clasping

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leaves entire to more or less deeply toothed; NOT [leaves deeply lobed to dissected] (BF)

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leaves more or less entire; NOT [leaves deeply serrate to pinnate] (FOA)

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flowers 20-25 mm across; NOT [flowers much smaller]

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flowers pink or purple; NOT [flowers white or tinged with pink], NOT [petals yellow]

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pods 4-10 cm long

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pods usually at least 4 times as long as wide; NOT [pods usually not more than 3 times as long as wide]

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pods not compressed at right angles to the central partition

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pods scarcely beaked; NOT [pods with a long, distinct beak]

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pods slightly torulose

 

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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 usually 6, four long and two short; NOT [stamens 6, of equal length], NOT [stamens usually more than 10]

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

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ovary superior; NOT [ovary inferior]