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Taraxacum laevigatum — red-seeded dandelion

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Facts

Red-seeded dandelion is native to Europe and widely introduced in North America. The leaf blades are more narrowly and deeply lobed than other dandelion (Taraxacum) species. All parts of the plant are edible.

Habitat

Anthropogenic (man-made or disturbed habitats), meadows and fields

New England distribution

Adapted from BONAP data

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North America distribution

Adapted from BONAP data

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Characteristics

Habitat
terrestrial
New England state
  • Connecticut
  • Maine
  • Massachusetts
  • New Hampshire
  • Rhode Island
  • Vermont
Leaf type
leaves are simple (i.e., lobed or unlobed but not separated into leaflets)
Leaf arrangement
basal: the leaves are growing only at the base of the plant
Leaf blade edges
the edge of the leaf blade has lobes, or it has both teeth and lobes
Flower type in flower heads
the flower head has ray flowers only, meaning all of the individual flowers of the flower head have a strap-shaped ray, which may or may not have teeth at the very tip of the ray
Ray flower color
yellow
Tuft or plume on fruit
at least a part of the plume is made up of fine bristles
Spines on plant
the plant has no spines
Leaf blade length
50–250 mm
Disk flower number
0
Show all characteristics

  • Flowers

    Bases of bract appendages
    NA
    Bract cycle number
    there are two main cycles of bracts
    Bract inner side hairs
    the bracts are not hairy on their inner surfaces
    Bract outer side hair type
    the bracts are not hairy on their outer surface
    Bract outer side hairs
    the bracts are not hairy on their outer surfaces
    Bract shape
    • the main bracts are lanceolate (widest above the base, then taper narrowly towards the tip)
    • the main bracts are linear (long and very narrow)
    Bract texture
    the bracts have a similar texture to a leaf
    Bract tip extension appearance
    the projections from the bract tips have small spines extending from them
    Bract tip extension edge
    there are projections from the bract tips
    Bract tip orientation
    the tips of the bracts curve outwards and downwards from the plant
    Bract tip shape
    the tips of the bracts are acuminate (tapered to a narrow point)
    Bract width
    1.2–2.1
    Bracts
    there are at least two distinct forms of bracts in different cycles
    Disk flower color
    NA
    Disk flower lobe number
    0
    Disk flower number
    0
    Disk flower proportions
    NA
    Disk flower reproductive parts
    NA
    Disk flower shape
    NA
    Flower head number
    each flowering stem has only one to three flower heads on it
    Flower head outer flowers
    at the outer edge of the flower head, each flower has a single enlarged lobe or strap
    Flower head platform
    the base has no bristles or papery scales
    Flower head platform surface
    NA
    Flower head profile
    the disk is flat or nearly flat across the top
    Flower head shape
    the sides of the flower head are roughly parallel, like a cylinder
    Flower type in flower heads
    the flower head has ray flowers only, meaning all of the individual flowers of the flower head have a strap-shaped ray, which may or may not have teeth at the very tip of the ray
    Height of flower head base
    10–25 mm
    Inflorescence branching (Solidago)
    NA
    Inflorescence stem
    • hairs are present on the stem of the inflorescence
    • the stem of the inflorescence is not hairy
    Number of bracts at flower head base
    11–13
    Ovary beak
    there is a beak on the ovary
    Ovary cross-section
    the ovary has five or more corners in cross-section
    Ovary surface
    the ovary surface is textured with tiny points, bumps or wrinkles
    Ray flower color
    yellow
    Ray flower reproductive parts
    the ray flowers have both carpels and stamens
    Ray flowers
    more than 50
    Ray length
    12–16 mm
    Reproductive system
    all the flowers on the plant contain both carpels and stamens
    Scale tip
    NA
    Smaller bracts at base of bracts
    there is a cycle of much smaller bracts outside the cycle of larger and longer bracts
    Style branch number
    there are no obvious branches on the style

  • Fruits or seeds

    Number of pappus parts
    11 or more
    Ovary length in developed fruit
    2.2–4 mm
    Seed hair tuft bases
    the pappus hairs are not attached to one another near the base
    Seed hair tuft color
    the pappus hairs are white or off-white
    Seed hair tuft details
    the pappus hairs are hooked or barbed
    Seed hair tuft length
    4–7 mm
    Seed hair tuft tips
    the pappus hairs are slender
    Seed hairs uniform
    all the pappus hairs are approximately the same length
    Seed tuft scale number
    0
    Seed tuft type
    the pappus is made of very fine hairs or bristles
    Top of disk flower ovary
    NA
    Tuft or plume on fruit
    at least a part of the plume is made up of fine bristles

  • Glands or sap

    Leaf blade glands
    the leaf blades have no glandular (translucent) dots or scales
    Sap
    the sap is milky and opaque, and may be white or colored

  • Growth form

    Growth form
    the plant has one or more free-standing stems
    Plant lifespan
    the plant is perennial, it shows evidence of previous year's leaves, stems or stem bases
    Spines on plant
    the plant has no spines
    Underground organs
    there is a thickened taproot on the plant

  • Leaves

    Hairs on underside of leaf blade
    the underside of the leaf is not hairy, or has very few hairs
    Hairs on upper side of leaf blade
    the upper side of the leaf is not hairy, or has very few hairs
    Leaf arrangement
    basal: the leaves are growing only at the base of the plant
    Leaf blade base
    the leaf has a distinct petiole
    Leaf blade base shape
    the base of the leaf blade is cuneate (wedge-shaped, tapers to the base with relatively straight, converging edges), or narrow
    Leaf blade bloom
    • the underside of the leaf has no noticeable bloom
    • there is a noticeable powdery or waxy bloom on the underside of the leaf
    Leaf blade edges
    the edge of the leaf blade has lobes, or it has both teeth and lobes
    Leaf blade hairs
    NA
    Leaf blade length
    50–250 mm
    Leaf blade shape
    • the leaf blade is oblanceolate (lance-shaped, but with the widest point above the middle of the leaf blade)
    • the leaf blade is obovate (egg-shaped, but with the widest point above the middle of the leaf blade)
    Leaf blade surface colors
    there is no noticeable color variation on the upper surface of the leaf
    Leaf blade tip
    • the tip of the leaf blade is acuminate (tapers to a long, thin point)
    • the tip of the leaf blade is acute (sharply pointed)
    • the tip of the leaf blade is obtuse (bluntly pointed)
    Leaf blade width
    10–40 mm
    Leaf disposition
    the lower leaves are larger, toothier, and/or on longer stalks than the upper leaves
    Leaf spines
    there are no spines on the leaf edges
    Leaf stalk
    the leaves have leaf stalks
    Leaf tip extension
    NA
    Leaf tufts in axils
    there are no clusters of smaller leaves
    Leaf type
    leaves are simple (i.e., lobed or unlobed but not separated into leaflets)
    Leaflet number
    0
    Specific leaf type
    the leaf has a row of two or more lobes on each side of the central axis

  • Place

    Habitat
    terrestrial
    New England state
    • Connecticut
    • Maine
    • Massachusetts
    • New Hampshire
    • Rhode Island
    • Vermont
    Specific habitat
    • man-made or disturbed habitats
    • meadows or fields

  • Scent

    Plant odor
    the plant does not have much of an odor

  • Stem, shoot, branch

    Flowering stem cross-section
    the flowering stem is circular, or with lots of small angles
    Leaves on stem
    the flowering stem has no leaves above the base
    Stem bloom
    • the stem has a powdery or waxy film on it that can be rubbed away
    • there is no powdery or waxy film on the stem
    Stem internode hairs
    • the stem has hairs between the nodes
    • the stem has no hairs between the nodes
    Stem wings
    the stem does not have wings on it

Wetland status

Not classified

In New England

Distribution

Connecticut
present
Maine
present
Massachusetts
present
New Hampshire
present
Rhode Island
present
Vermont
present

Conservation status

Exact status definitions can vary from state to state. For details, please check with your state.

Massachusetts
not applicable (S-rank: SNA)

From Flora Novae Angliae dichotomous key

1.  Taraxacum laevigatum (Willd.) DC. E

red-seeded dandelion. Leontodon erythrospermum (Andrz. ex Bess.) Britt.; Taraxacum erythrospermum Andrz. ex Bess. • CT, MA, ME, NH, RI, VT. Fields, lawns, waste areas, roadsides. The leaf blades of this species tend to have narrower lobes and deeper sinuses than other species of Taraxacum. Once learned, this trait is useful for forming an initial hypothesis concerning the identity of vegetative specimens.

Native to North America?

No

Sometimes confused with

Taraxacum officinale:
inner, longer involucral bracts lacking horn-like appendages at apex and body of fruit gray-brown to brown (vs. T. laevigatum, with the inner, longer involucral bracts with small, dark, horn-like appendages and body of fruit purple-red to brown-red).

Synonyms

  • Leontodon erythrospermum (Andrz. ex Bess.) Britt.
  • Taraxacum erythrospermum Andrz. ex Bess.

Family

Asteraceae

Genus

Taraxacum