• Shape: Multi-stemmed shrub
• Leaf/Branch Arrangement: Alternate
• Flower: elongated cluster – catkin, males yellow and ¾-2 ½ inches long, females green-red 1-3 ¼ inches long, male and female on different plants
• Leaves: egg shaped, 1 ½-4 inches long, up to 1 ½ inches wide, 1-4 times longer than wide, rounded teeth, leaf stalks red
• Bark: gray
• Fruit/Seed: cluster of red capsules, inflated base that tapers to a long beak
• Height: 1-13 feet
• Flowering: May - June
• Habitat: conifer swamps, bogs, fens, sloughs, shores, floating mats