Lab 2 - Marsh Plants Flashcards
Poison Ivy
- leaves in groups of 3
- white fruits
- vines have hairs adhering it the tree
Toxicodendron radicans
Swamp Milkweed
Asclepias incarnata
Flea-bane Daisy
Aster
Joe-pye Weed
Eupatorium maculatum
Jewel Weed
- bright orange flowers that resemble snapdragons
- flower has a hook on the back
- ripe fruits explode when touched
Impatiens capensis
Mint
- inflorescence not terminal, hugging stem
- square stem
- often minty scent
Mentha
Purple Loosestrife
Lythrum salicaria
Smartweed
- Orchrea
- Jointed stem
Polygonum
False Nettle
-“balls” point upwards
Boehmeria
Arrowhead
- Heart-shaped leaves
- 3 main veins
Sagittaria
Arrow Arum
- Heart-shaped leaves
- A single unifying vein running along the leaf margin
Peltandra
Pickerelweed
- Heart-shaped leaves
- Veins run parallel to the leaf margin
Pontedaria
Every seed in a protective covering (large or small)
Leaves in 3s
Carex
Softstem bulrush
- Similar to scallion
- Round, squishy stem
Scirpus
Wild Millet
-inflorescence in one plane, flattened
Echinochloa
Reed Canary Grass
Phalaris
Dogwood
- parallel leaf veins that hug the leaf margin
- fiberous xylem when broken
Cornus
Buttonbush
- spiked fruits
- dominant shrub in northern MI wetlands
Cephalanthus occidentalis
Willow
Salix
Silver Maple
- deeply lobed
- white underside
Acer saccharinum
Yellow Water Lily
-stiff stem allowing it to stick up off the water surface.
Nuphar
Water Lily
- has ‘teeth’ at the outer corners of its slit on the leaf
- floats on the water’s surface
Nymphaea
Duckweed
- floating
- has 1, 2, or 3 leaves
- single root, 1-2 cm long
Lemna minor
Star Duckweed / Ivy Duckweed
- submersed a couple inches below the surface
- branched
Lemna trisulca
Big Duckweed
- floating
- red-brown underside
Spirodela
Watermeal
- looks like tiny grains of cornmeal
- floating
- no roots
- smallest flowering plant worldwide
Wolffia
Coontail
-forked, branched, whorled leaves
Ceratophyllum
Water Milfoil
- submerged
- alternate, branched leaves
Myriophyllum
Bladderwart
-carnivorous: bladder-like traps
Utricularia
Waterweed
- submergent
- whorled leaves in 3s
Elodea
Curly Pondweed
-finely serrated leaf margin
Potamogeton crispus
