Osmorhiza depauperata
 
Spreading Sweet Cicely

Lower Two Thirds of Plant

Centre Block, Cypress Hills Interprovincial Park
23-June-2008

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Depauperata: Answers to key questions in Budd's Flora and Flora of Alberta leading to this species. 
bulletbractlets of inflorescence absent or very small and caducous; NOT [bractlets of inflorescence present and persistent]
bulletrays and pedicels wide-spreading or reflexed; NOT [rays and pedicels usually ascending]
bulletflowers white; NOT [flowers yellow or greenish]
bulletfruits mostly shorter than the pedicels; NOT [fruits longer than the pedicels]
bulletfruit 10-20 mm long; NOT [fruits about 10 mm long], NOT [fruits 18-25 mm long]
bulletfruit clavate, the apex convexly narrowed; NOT [fruit cylindrical, the apex concavely narrowed (constricted) into a beak 0.5-2.0 mm long]
bulletbase of fruit long-tapering, becoming caudate with conspicuous tails; NOT [fruit obtuse at base]
bulletfruit bristly-hispid; NOT [fruit glabrous]
bulletstyles less than 0.5 mm long; NOT [styles 2-3 mm long]

 

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Osmorhiza: Answers to key questions in Budd's Flora  and Flora of Alberta leading to this genus. 
bulletplants NOT with a bluish tinge
bulletfoliage NOT spiny
bulletlowest leaves (and the upper) compound
bulletleaves divided into few well-developed leaflets; NOT [leaves much divided, with leaflets or segments numerous]
bulletleaves with more than 3 leaflets
bulletleaves often divided into 5 or more segments; NOT [leaves usually divided into 3 segments each with 3 leaflets]
bulletleaves ternately divided; NOT [leaves palmate with 5-7 large leaflets], NOT [foliage digitately compound] , NOT [leaves pinnately divided]
bulletleaves divided into leaflets of unequal size; NOT [leaves divided into leaflets of about equal size]
bulletleaflets NOT palmate
bulletleaflets NOT 10-30 cm wide
bulletleaflets finely to deeply serrate; NOT [leaflets entire or with a few lobes]
bulletplants lacking axillary bulblets; NOT [plants with axillary bulblets largely replacing flowers]
bulletinflorescence NOT bluish
bulletflowers NOT in dense globose heads
bulletbracts NOT spiny
bulletfruit several times longer than broad; NOT [fruit generally 3 times as long as broad or less]
bulletfruit linear to clavate; NOT [fruit oblong to elliptical]
bulletfruit more than 1 cm long
bulletfruit flattened but wingless; NOT [fruit strongly flattened, broadly winged]
bulletfruit usually bristly-hairy (glabrous in O. occidentalis) ; NOT [fruit glabrous]
bulletfruit NOT covered with short, hooked spines

 

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Umbelliferae: Answers to key questions in Budd's Flora  leading to this family. 
bulletherbs; NOT [shrubs or trees]
bulletplants terrestrial or semiaquatic; NOT [plants aquatic, leaves submerged or floating]
bulletplants NOT with colored milky juice
bulletstems hollow
bulletplants with more than one normal leaf
bulletsome or all leaves alternate; NOT [leaves opposite, whorled, or basal]
bulletleaves without stipules, or having glands; NOT [leaves with stipules]
bulletflowers in umbels
bulletparts of flowers mostly in fives; NOT [parts of flowers in twos or fours]
bulletflowers with two floral rings, and with each petal distinct from the others]
bulletcalyx regular; NOT [calyx irregular, some sepals smaller than others]
bulletstamens 10 or fewer; NOT [stamens usually more than 10]
bulletovary inferior
bulletstyles 2; NOT [styles 5]