Menispermum canadense — Canada moonseed

Characteristics

• Buds or leaf scars

  Bud scar shape (Fraxinus)

  NA

• Flowers

  Enlarged sterile flowers

  there are no enlarged sterile flowers on the plant

  Flower petal color

  white

  Flower symmetry

  there are two or more ways to evenly divide the flower (the flower is radially symmetrical)

  Hairs on ovary (Amelanchier)

  NA

  Inflorescence type

  the inflorescence is a panicle (branched with the individual flowers on stalks)

  Number of pistils

  • 2
  • 3
  • 4

  Petal and sepal arrangement

  the flower includes two cycles of petal- or sepal-like structures

  Petal appearance

  the petals are thin and delicate, and pigmented (colored other than green or brown)

  Petal fusion

  the perianth parts are separate

  Sepal cilia (Ilex)

  NA

  Stamen number

  • 12
  • 13 or more

• Fruits or seeds

  Berry color

  • black
  • blue

  Fruit tissue origin

  there are no flower parts that form part of the fruit

  Fruit type (specific)

  the fruit is a drupe (fleshy, with a firm inner ovary wall that encloses a single seed)

  Nut with spines (Fagaceae)

  NA

• Glands or sap

  Sap color

  the sap is clear and watery

  Stalked glands on fruit (Rosa)

  NA

• Growth form

  Growth form

  the plant is a liana (a woody plant with a vine-like growth form)

• Leaves

  Hairs on upper side of leaf blade

  the upper side of the leaf is not hairy, or has very few hairs

  Leaf blade base shape

  • the base of the leaf blade is rounded
  • the base of the leaf blade is truncate (ends abruptly in a more or less straight line as though cut off)

  Leaf blade edges

  the edge of the leaf blade has lobes, or it has both teeth and lobes

  Leaf blade edges (Acer)

  NA

  Leaf blade flatness

  the leaf is flat (planar) at the edges

  Leaf blade hairs

  • NA
  • the hairs on the leaf blade are different from the choices given

  Leaf blade length

  100–200 mm

  Leaf blade scales

  there are no scales on the leaf blades

  Leaf blade shape

  • the leaf blade is orbicular (roughly circular, as wide as long)
  • the leaf blade is ovate (widest below the middle and broadly tapering at both ends)

  Leaf blade translucent dots

  there are no translucent dots on the leaf blade

  Leaf blade width

  100–150 mm

  Leaf duration

  the leaves drop off in winter (or they wither but persist on the plant)

  Leaf lobe tips (Quercus)

  NA

  Leaf midrib glands

  the midrib of the leaf blade lacks glands on the upper surface

  Leaf stalk

  the leaves have leaf stalks

  Leaf stalk nectaries

  there are no nectaries on the leaf stalk

  Leaf teeth

  • the edge of the leaf blade is entire (has no teeth or lobes)
  • the leaf blade margin is undulate (wavy), but does not have teeth

  Leaf teeth hairs (Carya)

  NA

  Leaf type

  the leaf blade is simple (lobed or unlobed but not separated into leaflets)

  Leaves per node

  there is one leaf per node along the stem

  Specific leaf type

  the leaves are simple (lobed or unlobed but not separated into leaflets

• Place

  Habitat

  terrestrial

  New England state

  • Connecticut
  • Massachusetts
  • New Hampshire
  • Vermont

  Specific habitat

  • cliffs, balds, or ledges
  • forests
  • ridges or ledges
  • woodlands

• Scent

  Plant odor

  the plant does not have much of an odor, or it has an unpleasant or repellant odor

• Stem, shoot, branch

  Aerial roots

  the plant has no aerial roots

  Bark texture

  the bark of an adult plant is thin and smooth

  Branch brittleness (willows only)

  NA

  Branch cross-section

  the branch is circular in cross-section, or it has five or more sides, so that there are no sharp angles

  First-year cane (Rubus)

  NA

  Twig papillae (Vaccinium species only)

  NA

  Wings on branch

  the branch does not have wings on it

  armature on plant

  the plant does not have spines, prickles, or thorns

Wetland status

Occurs in wetlands or non-wetlands. (Wetland indicator code: FAC)

In New England

From Flora Novae Angliae dichotomous key