Ranunculus sceleratus

Celery-leaved Buttercup

Basal Leaf Top
Near north end of Opuntia Lake
28-June-2003

The following are answers to questions in keys from Budd's Flora (BF) and Flora of Alberta (FOA).

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Sceleratus:  Answers to key questions leading to this species.
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plants not aquatic; mud or dryland plants

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a common amphibious species

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plants mostly with upright stems

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plants freely branched

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plants larger than 5 cm high (10-30 cm)

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plants glabrous to subglabrous or puberulent

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stems bearing several leaves and flowers

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stem and inflorescence leaves on well-developed petioles

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leaves not finely dissected

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leaves simple

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leaves all, or in part, deeply lobed to compound

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basal and cauline leaves all deeply incised or divided into distinct segments, the cauline smaller or with fewer segments, or with shorter petioles

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basal leaves lobed almost to the base, or divided

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basal leaves ovate to rhomboid, reniform, entire to compound; NOT elliptic to linear, NOT deeply divided

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terminal segment of the larger leaves sessile, usually joined with the lateral by thin tissues

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sepals usually 5, spreading or curved inward

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petals yellow, less than 5 mm long

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numerous plump achenes in a cylindrical head

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achenes glabrous with very small beaks (to 0.1 mm long)

 

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Ranunculus: Answers to key questions leading to this genus.
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plants NOT climbing

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leaves either basal or alternate

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leaves NOT all basal; stem leaves present; leaf segments mostly toothed, acute

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flowers regular, sepals NOT spurred

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petals usually present, yellow or whitish

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carpels 1-ovuled, ripening into achenes

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fruit achenes; NOT berry-like

 

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Ranunculaceae: Answers to key questions in Budd's Flora leading to this family.
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herbs

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plants terrestrial or semi-aquatic

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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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leaves without stipules, or having glands

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some or all leaves alternate

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

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stamens usually more than 10

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calyx regular

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carpels separate