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#seeds

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Hare's-foot #clover, #Trifolium #arvense (#Fabaceae), is native to Europe/Western Asia and inhabits dry, sandy, nitrate-poor #habitats. #Seeds are enclosed in feathery calyxes that protect against desiccation, serve as #flightorgans, but also adhere to animals. It hosts #symbiotic nitrogen-fixing bacteria (paraphyletic "#Rhizobia"), which S. Schulz et al. (2013) analyzed in more detail via functional marker gene nifH.
©#StefanFWirth #Berlin 2025

Ref
doi.org/10.5194/bg-10-1183-2013

#Photos
©S.F.Wirth