Pseudognaphalium macounii (Greene) Kartesz

Macoun's rabbit-tobacco

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New England Distribution

Adapted from BONAP data

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North America Distribution

Adapted from BONAP data

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Facts About

Macoun's rabbit-tobacco is an annual or biennial with a sweet smell. The Miwok used this species internally to treat colds and stomach ache and externally as a poultice to reduce swelling.

Habitat

Anthropogenic (man-made or disturbed habitats), forest edges

Characteristics

Habitat
terrestrial
New England state
  • Connecticut
  • Maine
  • Massachusetts
  • New Hampshire
  • Vermont
Leaf type
leaves are simple (i.e., lobed or unlobed but not separated into leaflets)
Leaf arrangement
  • alternate: there is one leaf per node along the stem
  • basal: the leaves are growing only at the base of the plant
Leaf blade edges
the edge of the leaf blade has no teeth or lobes
Flower type in flower heads
the flower head has disk flowers only, and lacks the strap-shaped flowers
Ray flower color
NA
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
30–100 mm
Disk flower number
more than 50
Show All Characteristics
  • Flowers
    Bract color
    the bracts are not colored or tinged with pink, red or purple
    Bract cycle number
    there are three or more cycles of bracts
    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 oblong (roughly rectangular but rounded at the ends)
    • the main bracts are ovate (egg-shaped)
    Bract spines
    the bracts have no spines
    Bract texture
    • the bracts appear thin, flexible and nearly translucent
    • the bracts have a similar texture to a leaf
    Bract tip color
    the tips are the same color as the center of the bract
    Bract tip extension appearance
    NA
    Bract tip extension edge
    NA
    Bract tip shape
    • the tips of the bracts acute (have a sharp point)
    • the tips of the bracts are obtuse (have a blunt point)
    • the tips of the bracts are rounded
    Bracts
    the bracts in separate cycles are similar or gradually changing from the outer to inner cycles
    Disk flower color
    yellow
    Disk flower number
    more than 50
    Disk flower reproductive parts
    • the disk flower has both pollen- and seed-producing parts
    • the disk flower has either only pollen- or only seed-producing parts
    Disk flower shape
    the disk flower is tube-shaped (cylindrical), or gradually widening like a funnel
    Flower head number
    each flowering stem has four or more flower heads on it
    Flower head outer flowers
    at the outer edge of the flower head, the flowers have no enlarged lobe or strap, and are of similar size as those in the center of the disk
    Flower head platform
    the base has no bristles or papery scales
    Flower head platform surface
    NA
    Flower head position
    some or all the flower heads are grouped in clusters of two or more
    Flower head profile
    • the disk is flat or nearly flat across the top
    • the disk is rounded across the top
    Flower head shape
    • the flower head is shaped like a cone with the point up
    • the sides of the flower head are roughly parallel, like a cylinder
    Flower type in flower heads
    the flower head has disk flowers only, and lacks the strap-shaped flowers
    Height of flower head base
    4.5–5.5 mm
    Inflorescence branching (Solidago)
    NA
    Inflorescence shape
    the inflorescence is flat-topped in profile
    Inflorescence stem
    hairs are present on the stem of the inflorescence
    Ovary cross-section
    • the ovary has five or more corners in cross-section
    • the ovary is compressed (flattened)
    Ovary hair type
    the ovary has no hairs on it
    Ovary hairs
    the ovary has no hairs on it
    Ovary lines or ribs
    there are no lines or ribs visible on the ovary
    Ovary profile
    in profile, the ovary is oblong (roughly rectangular but rounded at the ends)
    Ovary surface
    the ovary surface is textured with tiny points, bumps or wrinkles
    Peduncle hair type
    the hairs on the peduncles appear tangled or woolly
    Peduncle hairs
    the peduncles are hairy
    Peduncle orientation
    the flower heads are held upright, or slightly angled outwards
    Ray flower color
    NA
    Ray flower reproductive parts
    NA
    Ray flowers
    0
    Ray length
    0 mm
    Reproductive system
    some of the flowers on the plant have only carpels or stamens, while others have 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
    the style has two branches
    Style branches
    the style branch is wider at the tip and has a flattened end, or the style branches are wider at the tips and have flattened ends
  • Fruits or seeds
    Number of pappus parts
    • 10
    • 11 or more
    Seed hair tuft bases
    the pappus hairs are not attached to one another near the base
    Seed hair tuft details
    the pappus hairs are hooked or barbed
    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
    Bract resin
    the bracts have resin or resin glands
    Sap
    the sap is clear and watery
  • Growth form
    Growth form
    the plant has one or more free-standing stems
    Plant lifespan
    • the plant is annual, it lacks evidence of previous years' growth
    • the plant is biennial, it appears as either first year (non-reproductive) plants or second year plants with flowers or fruit
    Spines on plant
    the plant has no spines
    Underground organs
    there is a thickened taproot on the plant
  • Leaves
    Final leaf segment length (compound lvs only)
    0 mm
    Final leaf segment width (compound lvs only)
    0 mm
    Hairs on underside of leaf blade
    the underside of the leaf is fuzzy or hairy
    Hairs on upper side of leaf blade
    the upper side of the leaf is fuzzy or hairy
    Leaf arrangement
    • alternate: there is one leaf per node along the stem
    • basal: the leaves are growing only at the base of the plant
    Leaf blade base
    the leaf has no 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
    NA
    Leaf blade edges
    the edge of the leaf blade has no teeth or lobes
    Leaf blade flatness
    • the edges of the leaf are curled under
    • the leaf is flat (planar) at the edges
    Leaf blade hairs
    the leaf blade has tangled or woolly-looking hairs
    Leaf blade length
    30–100 mm
    Leaf blade shape
    • the leaf blade is lanceolate (lance-shaped; widest below the middle and tapering at both ends)
    • the leaf blade is oblanceolate (lance-shaped, but with the widest point above the middle of the leaf blade)
    Leaf blade tip
    the tip of the leaf blade is acuminate (tapers to a long, thin point)
    Leaf blade width
    3–13 mm
    Leaf disposition
    the leaves are nearly similar in size, prominence of teeth, and length of stalks throughout the stem
    Leaf spines
    there are no spines on the leaf edges
    Leaf stalk
    the leaves have no leaf stalks, but attach directly to the stem
    Leaf stalk length
    0 mm
    Leaf type
    leaves are simple (i.e., lobed or unlobed but not separated into leaflets)
    Specific leaf type
    the leaves are simple (i.e., lobed or unlobed but not separated into leaflets
    Teeth per side of leaf blade
    0
  • Place
    Habitat
    terrestrial
    New England state
    • Connecticut
    • Maine
    • Massachusetts
    • New Hampshire
    • Vermont
    Specific habitat
    • edges of forests
    • man-made or disturbed habitats
  • Scent
    Plant odor
    the plant has a pleasant odor, such as licorice, fruit or resin
  • Stem, shoot, branch
    Leaves on stem
    there is at least one full leaf above the base of the flowering stem
    Stem bloom
    there is no powdery or waxy film on the stem
    Stem internode hair direction
    the hairs point mostly upwards to outwards
    Stem internode hair type
    • at least some of the hairs on the stem are tangled, matted or woolly
    • at least some of the hairs on the stem have glands
    Stem internode hairs
    the stem has hairs between the nodes
    Stem wings
    the stem has wings on it that run down the stem from the leaf nodes

Wetland Status

Not classified

New England Distribution and Conservation Status

Distribution

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

Conservation Status

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

Massachusetts
extremely rare to rare (S-rank: S1S2), #NAME? (code: #NAME?)
Vermont
uncommon (S-rank: S3)

Native to North America?

Yes

Synonyms

  • Gnaphalium decurrens Ives
  • Gnaphalium macounii Greene
  • Pseudognaphalium viscosum, auct. non (Kunth) W.A. Weber

Family

Asteraceae

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Information from Dichotomous Key of Flora Novae Angliae

1.  Pseudognaphalium macounii (Greene) Kartesz N

Macoun’s rabbit-tobacco. Gnaphalium decurrens Ives; G. macounii Greene; Pseudognaphalium viscosum, auct. non (Kunth) W.A. Weber • CT, MA, ME, NH, VT. Fields, roadsides, forest clearings, logging roads.