Lathyrus latifolium – wild sweet pea blooms

wildflowerssweetpeaWhen visiting the US National Arboretum, I stumbled over patches of spring ephemerals (spring beauties, wild violets) and then a patch of hundreds of what looked like sweet pea blooms or rogue snap dragons. After looking through the US Wildflower database, I ruled out rabbit-pea/goat’s rue (Tephrosia virginiana), round-leaved tick trefoil (Desmodium rotundifolium), and crown vetch (introduced). I think it’s just wild sweet pea blossoms (Lathyrus latifolium). What do you think?

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