Geum aleppicum Jacq. - Yellow Avens


 

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Geum aleppicum - (image 1 of 6)

 

Taxonomy

Family: Rosaceae

Habitat

Fields, meadows, thickets, roadsides, in moist or somewhat dry soil.

Associates

 

Distribution

Newfoundland and Quebec to Yukon, south to NJ, IN, IL, IA, and NM; also in Eurasia.

Morphology

Herbaceous perennial; stems stout, to 1 m, hirsute; basal leaves pinnate, the terminal leaflets and principle lateral leaflets usually similar in size and shape, narrowly to broadly cuneate at the base; leaflets mostly incised-serrate; petals yellow, about equaling or slightly exceeding the sepals; achenes numerous, mostly 200+, divaricately hispid about the summit, otherwise glabrous or appressed-hairy; basal segment of the style often hirsute below, eglandular; terminal segment of the style conspicuously short-hirsute; receptacle downy with soft hairs 0.3-0.7 mm.

Notes

Flowers June to July

Wetland indicator: FAC

This species occasionally hybridizes with G. canadense and the hybrids are said to be similar in appearance to G. virginianum but are usually sterile. It is also said to hybridize with G. rivale though such hybrids seem to be extremely rare.

References

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY

 


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 Michael Hough 2018