Antennaria rosea
 
Rosy Everlasting

Flower Head Side

Centre Block, Cypress Hills Interprovincial Park
17-June-2013

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Rosea: Answers to key questions in Budd's Flora and Flora of Alberta leading to this species. 
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stolons leafy; NOT [stolons often leafless, with a terminal rosette]

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plants with greatly reduced stem leaves; NOT [plants with well-developed stem leaves]

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basal leaves in well-developed appressed rosettes; NOT [basal leaves, if present, upright around the stem]

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rosette leaves densely pubescent on both sides; NOT [rosette leaves glabrous to subglabrous above, densely pubescent below]

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leaves usually ovate to spatulate; NOT [leaves mostly linear-lanceolate]

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leaves generally narrower; NOT [leaves generally about 1 cm wide]

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leaves usually small, ovate, spatulate; NOT [leaves mostly linear-lanceolate]

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inflorescence more or less crowded at the top of the stem; NOT [inflorescence open, spread out along the stem]

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heads in corymbs, often congested; NOT [heads in loose racemes]

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heads on short peduncles or subsessile; NOT [heads on long, slender peduncles]

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bracts woolly at base; NOT [bracts glabrous or nearly so]

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terminal part of involucral bracts roseate to deep pink, even at maturity; NOT [terminal part of involucral bracts colorless, white or cream (or light pink when young)], NOT [terminal part of involucral bracts greenish or light to dark brown or black]

 
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Antennaria: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus. 
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plants perennial with fibrous roots, often with rhizomes or stolons, but lacking a taproot; NOT [plants perennial with taproot, or low spreading annuals]

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plants often stoloniferous; NOT [plants rhizomatous but lacking stolons]

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juice watery; NOT [plants with a milky or sticky sap]

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plants more or less white-woolly; NOT [plants not at all white-woolly]

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low plants; NOT [tall plants]

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leaves mostly basal, with stem leaves reduced; NOT [stems leafy]

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basal leaves generally forming a persistent tuft or rosette, stem seldom very leafy; NOT [basal leaves soon deciduous, not markedly larger than the numerous well-developed cauline leaves]

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basal leaves, if any, not cordate or sagittate; NOT [basal leaves cordate or sagittate]

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receptacle naked; NOT [receptacle densely bristly]

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bracts of involucre dry, parchmenty or membranous, not green; NOT [bracts of involucre not dry or parchmenty, usually green]

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involucral bracts mostly with dry, scarious, thin, white to yellowish or brownish tips]; NOT [involucral bracts not markedly scarious at the tip]

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flower heads with all florets tubular

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no fertile bisexual florets; NOT [some florets bisexual]

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heads strictly dioecious, the heads wholly staminate or pistillate; NOT [pistillate heads commonly with a few central staminate flowers], NOT [heads all with outer pistillate flowers and central perfect flowers]

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male and female florets on separate plants; NOT [both male and female florets on same plant]

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stamens united to form a tube around the pistil

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pappus of capillary bristles, sometimes plumose; NOT [pappus of scales, or of awns, or a crown, or none]