Musineon divaricatum

           
Leafy Musineon

Umbellet Side
Arm River and Highway # 2
08-May-04

Note the linear bractlets.

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Musineon: Answers to key questions in Budd's Flora (BF)  and Flora of Alberta (FOA) leading to this genus. 
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plants less than 3 dm tall, usually 1-2 dm; NOT [plants more than 3 dm tall]

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plants NOT with a bluish tinge

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foliage NOT spiny

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most leaves basal

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lower stem leaves opposite; NOT [lower stem leaves alternate, stem leaves sometimes opposite in the inflorescence]

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lowest leaves (and the upper) compound; NOT [lowest leaves simple]

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leaves much divided, with leaflets or segments numerous; NOT [leaves simple or divided into few well-developed leaflets], NOT [leaves once pinnate], NOT [leaves palmate with 5-7 large leaflets], NOT [foliage digitately compound], NOT [leaves usually trifoliolate; leaflets palmate, 10-30 cm wide]

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plants lacking axillary bulblets; NOT [plants with axillary bulblets largely replacing flowers]

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inflorescence NOT bluish

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NOT [flowers in dense globose heads with spiny bracts]

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umbel compound; NOT [umbel simple]

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umbel many-flowered; NOT [umbel few-flowered]

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involucral bracts small, slightly or not dissected; NOT [involucral bracts large, pinnately dissected]

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flowers yellow

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fruits 3-4 mm long; NOT [fruits more than 5 mm long]

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fruit oblong to elliptical; NOT [fruit linear to clavate]

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fruit generally 3 times as long as broad or less; NOT [fruit several times longer than broad]

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fruits more or less rounded in cross-section; NOT [fruits flattened dorsally (at right angles to the styles)]

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fruit wingless; NOT [fruit winged]

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fruits tuberculate

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fruit NOT spiny; NOT [fruit covered with short, hooked spines]

 

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Umbelliferae: 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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stems hollow

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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 in umbels

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parts of flowers mostly in fives; NOT [parts of flowers in twos or fours]

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

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styles 2; NOT [styles 5]

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ovary inferior; NOT [ovary superior]