Layia platyglossa (Fisch. & C.A. Mey.) Gray

coastal tidytips

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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

Coastal tidytips is native to California and Baja Mexico. Its seeds must have germinated in a dump in Massachusetts. The seeds of this plant were an important staple food for the Cahuilla, Costanoan and Mendocino tribes of California.

Habitat

Anthropogenic (man-made or disturbed habitats)

Characteristics

Habitat
terrestrial
New England state
Massachusetts
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
  • opposite: there are two leaves per node along the stem
Leaf blade edges
  • the edge of the leaf blade has lobes, or it has both teeth and lobes
  • the edge of the leaf blade has teeth
Flower type in flower heads
the flower head has tubular disk flowers in the center and ray flowers, these often strap-shaped, around the periphery
Ray flower color
  • white
  • yellow
Tuft or plume on fruit
  • at least a part of the plume is made up of fine bristles
  • there is no plume, or the plume is made up of scales, awns, a crown, or a rim
Spines on plant
the plant has no spines
Leaf blade length
4–100 mm
Disk flower number
  • 11-20
  • 21-50
  • 6-10
  • 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 two main cycles of bracts
    • there is one main cycle of bracts
    Bract outer side hair type
    the bracts are hairy on their outer surfaces, with hairs having glands (a swelling at the tip of the hair)
    Bract outer side hairs
    the bracts are hairy on their outer surfaces
    Bract separation
    the bracts appear completely unconnected to one another on all flower heads
    Bract shape
    • the main bracts are lanceolate (widest above the base, then taper narrowly towards the tip)
    • the main bracts are oblanceolate (widest near the tip, but otherwise narrow and tapering)
    Bract spines
    the bracts have no spines
    Bract texture
    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 orientation
    the bracts are pressed against the plant, or spreading out at the tips
    Bract tip shape
    • the tips of the bracts acute (have a sharp point)
    • the tips of the bracts are obtuse (have a blunt point)
    Bracts
    the bracts in separate cycles are similar or gradually changing from the outer to inner cycles
    Disk flower color
    yellow
    Disk flower lobe number
    5
    Disk flower number
    • 11-20
    • 21-50
    • 6-10
    • more than 50
    Disk flower reproductive parts
    the disk flower has both pollen- and 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 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 papery scales on it
    Flower head position
    each of the flower heads is separate on its own peduncle (stalk), not clustered in groups
    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 hemispherical (like the bottom half of a sphere)
    Flower type in flower heads
    the flower head has tubular disk flowers in the center and ray flowers, these often strap-shaped, around the periphery
    Height of flower head base
    4–18 mm
    Inflorescence branching (Solidago)
    NA
    Inflorescence shape
    • NA
    • the inflorescence is flat-topped in profile
    Number of bracts at flower head base
    5–18
    Ovary beak
    there is no beak on the ovary
    Ovary cross-section
    the ovary is compressed (flattened)
    Ovary hair type
    • the ovary has hairs on it, but the hairs have no glands
    • the ovary has no hairs on it
    Ovary hairs
    • the ovary has hairs on it
    • the ovary has no hairs on it
    Ovary profile
    in profile, the ovary is another shape
    Peduncle hair type
    the hairs on the peduncles have glands at their tips
    Peduncle hairs
    the peduncles are hairy
    Ray flower color
    • white
    • yellow
    Ray flower reproductive parts
    the ray flowers have carpels or stamens, but not both
    Ray flowers
    • 1-5
    • 11-15
    • 6-10
    Ray length
    3–21 mm
    Reproductive system
    all the flowers on the plant contain both carpels and stamens
    Style branch number
    the style has two branches
    Swelling at base of flower head
    the peduncles are not swollen, or only slightly
    Width of flower head base
    4–15 mm
  • Fruits or seeds
    Number of pappus parts
    • 0
    • 11 or more
    Ovary length in developed fruit
    2–5 mm
    Seed hair tuft color
    • the pappus hairs are tan to dark brown
    • the pappus hairs are white or off-white
    Seed hair tuft details
    • NA
    • the pappus hairs have smaller hairs along their sides
    Seed hair tuft length
    2–5 mm
    Seed hairs uniform
    all the pappus hairs are approximately the same length
    Seed tuft scale number
    0–32
    Seed tuft type
    • the pappus is made of flat scales that are not split or frayed at the tips
    • 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
    • there is no plume, or the plume is made up of scales, awns, a crown, or a rim
  • Glands or sap
    Bract resin
    • the bracts have no resin or resin glands
    • the bracts have resin or resin glands
    Leaf blade glands
    the leaf blades have glandular (translucent) dots or scales
  • 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
    Spines on plant
    the plant has no spines
  • Leaves
    Hairs on underside of leaf blade
    • the underside of the leaf is fuzzy or hairy
    • the underside of the leaf is not hairy, or has very few hairs
    Leaf arrangement
    • alternate: there is one leaf per node along the stem
    • opposite: there are two leaves per node along the stem
    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 edges
    • the edge of the leaf blade has lobes, or it has both teeth and lobes
    • the edge of the leaf blade has teeth
    Leaf blade hairs
    • NA
    • the leaf blade has hairs with glands at their tips
    Leaf blade length
    4–100 mm
    Leaf blade shape
    • the leaf blade is lanceolate (lance-shaped; widest below the middle and tapering at both ends)
    • the leaf blade is linear (very narrow with more or less parallel sides)
    • the leaf blade is oblanceolate (lance-shaped, but with the widest point above the middle of the leaf blade)
    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 type
    leaves are simple (i.e., lobed or unlobed but not separated into leaflets)
    Specific leaf type
    • the leaf has a row of two or more lobes on each side of the central axis
    • the leaves are simple (i.e., lobed or unlobed but not separated into leaflets
  • Place
    Habitat
    terrestrial
    New England state
    Massachusetts
    Specific habitat
    man-made or disturbed habitats
  • Scent
    Plant odor
    the plant does not have much of an odor
  • Stem, shoot, branch
    Leaves on stem
    there is at least one full leaf above the base of the flowering 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 have glands
    Stem internode hairs
    the stem has hairs between the nodes

Wetland Status

Not classified

New England Distribution and Conservation Status

Distribution

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

Conservation Status

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

Massachusetts
not applicable (S-rank: SNA)

ssp. platyglossa

Massachusetts
unranked (S-rank: SNR)

Native to North America?

Yes and no (some introduced)

Synonyms

  • Layia platyglossa (Fisch. & C.A. Mey.) Gray ssp. campestris Keck
  • Layia platyglossa (Fisch. & C.A. Mey.) Gray var. breviseta Gray

Family

Asteraceae

Genus

Layia

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Information from Dichotomous Key of Flora Novae Angliae

1.  Layia platyglossa (Fisch. & C.A. Mey.) Gray E

coastal tidytips. Layia platyglossa (Fisch. & C.A. Mey.) Gray var. breviseta Gray; L. platyglossa (Fisch. & C.A. Mey.) Gray ssp. campestris Keck • MA. Wool waste.