Eriogonum flavum
 
Yellow Umbrellaplant

Basal Leaf Top

Oro Lake Regional Park
26-June-2011

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Flavum: Answers to key questions in Budd's Flora and Flora of Alberta leading to this species. 
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plants perennial; NOT [plants annual]

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NOT [stem diffusely branched, the branches slender]

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leaves hirsute above; NOT [leaves glabrous]

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inflorescence a more or less dense umbel; NOT [inflorescence a diffusely branched raceme] (BF)

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inflorescence a compound umbel; NOT [inflorescence a simple umbel] (FOA)

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NOT [flowers in reflexed heads] (FOA)

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inflorescence subtended by leaf-like bracts; NOT [inflorescence subtended by small, reduced bracts]

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bracts ascending; NOT [bracts spreading or reflexed]

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bracts linear; NOT [bracts lanceolate or oblong]

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perianth pubescent at base; NOT [perianth glabrous]

 

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Eriogonum: Answers to key questions in Budd's Flora  and Flora of Alberta leading to this genus. 
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NOT [dwarf annual, leaves subopposite, calyx 3-parted, stamens3]

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leaves without stipules

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flower clusters subtended by an involucre

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stamens 9; NOT [stamens 8 or fewer]

 

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Polygonaceae: Answers to key questions in Budd's Flora  leading to this family. Not all the answers lead to all members of Polygonaceae, but they all do lead to genus Eriogonum.
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herbs; NOT [shrubs or trees]

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land plants; NOT [water plants]

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plants not parasitic on trees, rooted in soil or water; NOT [plants parasitic on branches of trees]

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plants with stems or stemless, but with more than one pair of leaves; NOT [plants stemless with a single pair of large reniform leaves]

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leaves alternate; lower ones sometimes opposite; NOT [leaves opposite]

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leaves without stipules; NOT [leaves with stipules free or sheathing the stem]

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leaves not compound and not very deeply divided; NOT [leaves compound or simple, but very deeply divided]

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leaves not orbicular or reniform; NOT [leaves orbicular or reniform]

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flowers colored; NOT [flowers small, numerous, greenish]

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perianth segments 6, in two series; NOT [perianth segments 2-5]

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stamens and pistils in each flower; NOT [stamens or pistils in separate flowers on the same plant]

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fruit dry when ripe; NOT [fruit fleshy when ripe]