Potentilla hippiana
 
Woolly Cinquefoil

Basal Leaf, Terminal Leaflet, Bottom

Centre Block, Cypress Hills Interprovincial Park
22-July-2012

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Hippiana: Answers to key questions in Budd's Flora and Flora of Alberta leading to this species. 
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plants of drier habitats; NOT [a plant of aquatic and marshy habitats]

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perennial plant with stout rootstocks, often showing old bases of leaves; NOT [annual or biennial plant without perennial rootstocks]

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plant herb-like, not woody based; NOT [plants shrubby or with woody bases]

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plants NOT caespitose

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plant WITHOUT runners; NOT [low creeping plant with runners]

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plants 15-50 cm tall; NOT [plants mostly 4-10 cm tall]

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plants not usually glandular; NOT [plants glandular pubescent]

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leaves all or mostly pinnate, with the upper stem leaves sometimes trifoliate; NOT [leaves all trifoliate or digitate with 5-7 leaflets] (BF)

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leaves distinctly pinnate; NOT [leaves often indistinctly pinnate, leaflets approximate (subdigitate)] (FOA)

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basal leaves pinnate; NOT [basal leaves trifoliolate or 5-9 digitate] (FOA)

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leaflets mostly 7-11; NOT [leaflets mostly 5-7]

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leaflets longer; NOT [leaflets 1-2 cm long]

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leaflets serrate to shallowly lobed; NOT [leaflets dissected or incised more than halfway to midrib] (BF)

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leaflets divided about half-way to midrib; NOT [leaflets divided almost to the midrib] (FOA)

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leaves white tomentose below; NOT [leaves grayish pilose to hirsute below], NOT [leaflets green on both sides] (BF)

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lower surface of leaves densely white tomentose, frequently overlain with sericeous hairs; NOT [leaves glabrous to variously pubescent but not densely white tomentose below] (FOA)

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flowers born in terminal cymes and not singly; NOT [flowers solitary on naked peduncles, mostly from the nodes of stolons]

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petals yellow; NOT [petals yellowish white], NOT [petals white], NOT [petals reddish purple]

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stamens 5-20; NOT [stamens 25-30]

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styles arising near top of ovary; NOT [styles nearly basal in origin]

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styles tapered from base; NOT [styles slender-fusiform]

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achenes generally smooth; NOT [achenes hairy]

 

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Potentilla: Answers to key questions in Budd's Flora  and Flora of Alberta leading to this genus. 
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herbs, or with a woody base and otherwise herbaceous; NOT [shrubs or trees]

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leaves compound; NOT [leaves simple, usually toothed]

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leaves NOT much dissected into linear lobes

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basal leaves with MORE than 3 leaflets

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calyx bractlets present (appearing like 10 sepals); NOT [calyx bractlets lacking]

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hypanthium LACKING hooked prickles

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stamens 10-many; NOT [stamens 5]

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carpels 10-many; NOT [carpels 5-20], NOT [carpels 2] 

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styles articulated at base and not jointed near the middle; NOT [styles not articulated at base but often with an abrupt bend or joint near the middle]

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style much shorter than the achene; NOT [style much longer than the achene]

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NOT [style hooked or plumose in fruit]

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style deciduous from the achene, not persisting in the fruit

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carpels becoming achenes NOT [carpels becoming drupelets (raspberry-like)]

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fruit NOT fleshy

 
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Rosaceae: 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 with stipules; NOT [leaves without stipules, or having glands]

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calyx regular; NOT [calyx irregular, some sepals smaller than others]

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

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flowers regular in shape

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stamens usually separate or partly so, not in a column; NOT [stamens numerous, united into a column]

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stamens usually numerous; NOT [stamens 5 or 10]

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ovary of one or more carpels, either separate or enclosed by a fleshy receptacle; NOT [ovary of 5 united carpels]