Berteroa incana

 
Hoary-Alyssum

Middle Leaf Bottom

White Butte Trails, 14 km East of Regina
06-July-2015

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Berteroa: 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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stem generally branched; NOT [stem unbranched]

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stem leafy; NOT [stem leafless]

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plants pubescent; NOT [plants glabrous]

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basal leaves 1-4 cm long; NOT [basal leaves 1-4 dm long]

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basal leaves entire to denticulate; NOT [basal leaves irregularly crenate]

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cauline leaves not auriculate

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cauline leaves not clasping

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petals bilobed; NOT [petals entire]

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petals white; NOT [petals yellow]

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style 2-3 mm long; NOT [style 1 mm long]

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fruit generally more than 5 mm long; NOT [fruit less than 5 mm long]

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pods flattened parallel to septum, if at all; NOT [pods flattened at right angles to septum]

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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 triangular

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pods short, oblong; NOT [pods almost circular, with flat margins]

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fruit wingless; NOT [fruit sometimes winged]

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valves convex; NOT [valves flat] (FOA)

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pods flattened; NOT [pods subglobose] (BF)

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seeds few in each cell of pod; NOT [seeds many in each cell 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]