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- Leontodon saxatilis
Leontodon saxatilis — little hawkbit
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Facts
Little hawkbit is introduced from Europe to North America. Within New England it has been collected in Massachusetts and Connecticut. A study of the advantages of having two types of seeds in little hawksbit found that seeds with pappus hairs (hairs at the tip of the seed that aid in wind dispersal) displayed few other characteristics beneficial to colonizing sites far from the parental plant, while those lacking pappus hairs were only marginally better equipped to replace the parent at the home site.
Habitat
Anthropogenic (man-made or disturbed habitats), meadows and fields
New England distribution
Adapted from BONAP data
Native: indigenous.
Non-native: introduced (intentionally or unintentionally); has become naturalized.
County documented: documented to exist in the county by evidence (herbarium specimen, photograph). Also covers those considered historical (not seen in 20 years).
State documented: documented to exist in the state, but not documented to a county within the state. Also covers those considered historical (not seen in 20 years).
Note: when native and non-native populations both exist in a county, only native status is shown on the map.
Found this plant? Take a photo and post a sighting.
Characteristics
- Habitat
- terrestrial
- New England state
-
- Connecticut
- Massachusetts
- 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
- the edge of the leaf blade has no teeth or lobes
- the edge of the leaf blade has teeth
- 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
-
- other
- 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
- 20–150 mm
- Disk flower number
- NA
-
Flowers
- Bract cycle number
-
- there are three or more cycles of bracts
- there are two main cycles of bracts
- Bract inner side hairs
-
- the bracts are hairy on their inner surfaces
- the bracts are not hairy on their inner surfaces
- Bract outer side hair type
-
- the bracts are hairy, with simple hairs on their outer surface
- the bracts are not hairy on their outer surface
- Bract outer side hairs
-
- the bracts are hairy on their outer surfaces
- 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)
- Bract spines
- the bracts have no spines
- Disk flower color
- NA
- Disk flower lobe number
- NA
- Disk flower number
- NA
- 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 position
- each of the flower heads is separate on its own peduncle (stalk), not clustered in groups
- Flower head profile
- the disk is rounded across the top
- Flower head shape
- NA
- 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
- 6–11 mm
- Inflorescence shape
- NA
- Number of bracts at flower head base
- 16–20
- Ovary beak
- there is a beak on the ovary
- Ovary cross-section
- the ovary has five or more corners in cross-section
- 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 ten or more ribs visible on the ovary
- Ovary profile
- in profile, the ovary is another shape
- Ovary surface
- the ovary surface is textured with tiny points, bumps or wrinkles
- Peduncle hair type
- NA
- Peduncle hairs
- the peduncles have no hairs
- Ray flower color
-
- other
- yellow
- Ray flower reproductive parts
- the ray flowers have both carpels and stamens
- Ray flowers
-
- 16-25
- 26-50
- Ray length
- 8–15 mm
- Reproductive system
- all the flowers on the plant contain both carpels and stamens
- Smaller bracts at base of bracts
- there is no smaller, outer cycle of bracts
- Swelling at base of flower head
- the peduncles are not swollen, or only slightly
- Width of flower head base
- 4–9 mm
-
Fruits or seeds
- Ovary beak length
- 1 mm
- Ovary length in developed fruit
- 4.5–5 mm
- Seed hair tuft color
-
- the pappus hairs are another color
- the pappus hairs are white or off-white
- Seed hair tuft details
- the pappus hairs have smaller hairs along their sides
- Seed hair tuft length
- 0.5–6 mm
- Seed hair tuft tips
- the pappus hairs are slender
- Seed hairs uniform
- there are two distinct lengths of pappus hairs
- 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
- 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 biennial, it appears as either first year (non-reproductive) plants or second year plants with flowers or fruit
- 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
-
- the plant has a caudex (the root mass is firm and hardened at the top)
- the plant has one or more swollen storage organs underground, such as bulbs, tubers or corms
- there are only slender roots on the plant
-
Leaves
- 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
- 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 edges
-
- the edge of the leaf blade has lobes, or it has both teeth and lobes
- the edge of the leaf blade has no teeth or lobes
- the edge of the leaf blade has teeth
- Leaf blade hairs
- the leaf blade has branched hairs
- Leaf blade length
- 20–150 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 oblong (rectangular but with rounded ends)
- Leaf blade width
- 5–25 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 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
-
Place
- Habitat
- terrestrial
- New England state
-
- Connecticut
- Massachusetts
- 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
- Leaves on stem
- the flowering stem has no leaves above the base
- 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 branched
- the stem has no hairs between the nodes
- Stem internode hairs
-
- the stem has hairs between the nodes
- the stem has no hairs between the nodes
Wetland status
Occurs only in non-wetlands. (Wetland indicator code: UPL)
In New England
Distribution
- Connecticut
- present
- Maine
- absent
- Massachusetts
- present
- New Hampshire
- absent
- Rhode Island
- present
- Vermont
- present
Conservation status
Exact status definitions can vary from state to state. For details, please check with your state.
ssp. saxatilis
- Massachusetts
- not applicable (S-rank: SNA)
Subspecies and varieties
Our subspecies is Leontodon saxatilis Lam. ssp. saxatilis.
From Flora Novae Angliae dichotomous key
2. Leontodon saxatilis Lam. ssp. saxatilis E
little hawkbit. Leontodon leysseri (Wallr.) G. Beck; L. nudicaulis Mérat; L. nudicaulis Mérat ssp. taraxacoides (Vill.) Schinz & Thellung; L. taraxacoides (Vill.) Mérat • CT, MA; also reported from RI and VT by Bogler (2006b), but specimens are unknown. Fields, roadsides, lawns, disturbed soil.
Native to North America?
No
Sometimes confused with
- Leontodon hispidus:
- pappus of inner flowers and outer flowers alike, well-developed, with an inner series of plumose bristles and an outer series of slender scales or barbellate bristles, and involucre 10–18 mm tall during anthesis (vs. L. saxatilis, with the pappus of inner flowers with an inner series of plumose bristles and an outer series of scales that may be tipped with a scabrous awn, that of the outer flowers reduced to a short, laciniate crown, and involucre 6–11 mm tall during anthesis).
Synonyms
- Leontodon leysseri (Wallr.) G. Beck
- Leontodon nudicaulis Mérat
- Leontodon nudicaulis Mérat ssp. taraxacoides (Vill.) Schinz & Thellung
- Leontodon taraxacoides (Vill.) Mérat