Uvularia perfoliata -... en.wikipedia.org

Plants With Weird Foliage:... laidbackgardener.blog

American Heritage... ahdictionary.com

Leaf attachment to stem –... ausflora.net

Perfoliate leaf - photos of... www.americansouthwest.net

Claytonia perfoliata plants.sdsu.edu

Botanical Nerd Word:... torontobotanicalgarden.ca

Plants With Weird Foliage:... laidbackgardener.blog

US Wildflower - Perfoliate... uswildflowers.com

Uvularia perfoliata... gobotany.nativeplanttrust.o...

Perfoliate leaves hi-res... www.alamy.com

Maryland Biodiversity... www.marylandbiodiversity.co...

Petiole mgnv.org

Plants With Weird Foliage:... laidbackgardener.blog

NameThatPlant.net: leaves... www.namethatplant.net

PERFOLIATE PONDWEED... www.alamy.com

Petiole mgnv.org

Largeflower Bellwort and... virginiawildflowers.org

Perfoliate bellwort... www.jungledragon.com

Perfoliate leaves hi-res... www.alamy.com