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Questions and Answers: 2022

Question: Hello, wondering who this might be. They were growing in a small pocket of mud on a rock along the …

  • Question

    Hello, wondering who this might be. They were growing in a small pocket of mud on a rock along the edge of a rivulet channel in a preserve in Lincoln, RI. Leaves have short spines on the margins and winged petioles. Roots appear to be exposed and growing down the rock (in photo that includes dog's leg.) Would appreciate if you could point me in a direction. Thanks!

    Answer

    Dear sldz22, you likely have photographed Nabalus altissimus (tall rattlesnake-root). This species often displays simple leaves (as shown in your photographs). I can't see the capitula (flower heads) well enough to be certain of this identification, but it is a place to start your study. Best wishes.