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- Crataegus faxonii
Crataegus faxonii — Faxon's hawthorn
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Facts
Faxon's hawthorn is named for Charles Edward Faxon (1846-1918), who was a Massachusetts botanist and prolific botanical artist. The species status of Crataegus faxonii is uncertain; it differs in several important ways from species under which it has previously been subsumed. It may be a hybrid of two more common hawthorns, C. chrysocarpa and C. submollis.
Habitat
Anthropogenic (man-made or disturbed habitats), forest edges, forests, 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.
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Characteristics
- Habitat
- terrestrial
- New England state
-
- Maine
- New Hampshire
- Vermont
- Growth form
- the plant is a shrub (a woody plant with several stems growing from the base)
- 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
- 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 duration
- the leaves drop off in winter (or they wither but persist on the plant)
- armature on plant
- the plant has spines, prickles, or thorns
- Leaf blade length
- 36–70 mm
- Leaf stalk
- the leaves have leaf stalks
- Fruit type (general)
- the fruit is fleshy
- Bark texture
- the bark of an adult plant is ridged or plated
- Twig winter color
-
- brown
- red
- Bud scale number
- there are three or more scales on the winter bud, and they overlap like shingles, with one edge covered and the other edge exposed
-
Buds or leaf scars
- Bud scale number
- there are three or more scales on the winter bud, and they overlap like shingles, with one edge covered and the other edge exposed
- Bud scar shape (Fraxinus)
- NA
- Collateral buds
- there are no collateral buds on the sides of the branches
- Superposed buds
- there are no superposed buds on the branch
-
Flowers
- Anther color
- the anthers show no hint of a pink, reddish or purplish tint
- Carpels fused
- the carpels are fused to one another
- 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
- Hypanthium present
- the flower has a hypanthium
- Inflorescence hairs
- there are hairs on some part of the inflorescence
- Inflorescence type
- the inflorescence is a corymb (with long lower branches and shorter upper branches, giving it a more or less flat-topped look)
- Number of pistils
- 1
- Ovary position
-
- the ovary is above the point of petal and/or sepal attachment
- the ovary is below the point of petal and/or sepal attachment
- 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
- Sepal tip glands
- there are glands at the tips of the sepal lobes
- Stamen number
-
- 10
- 5
- 6
- 7
- 8
- 9
- Stamens fused
- the stamens are not fused to one another
-
Fruits or seeds
- Berry color
-
- orange
- red
- Fruit tissue origin
- the hypanthium of the flower becomes part of the fruit
- Fruit type (general)
- the fruit is fleshy
- Fruit type (specific)
- the fruit is a berry (fleshy, with the wall enclosing one or more sections, with two or more seeds)
- Nut with spines (Fagaceae)
- NA
- Wings on fruit
- there are no wings on the fruit
-
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 shrub (a woody plant with several stems growing from the base)
-
Leaves
- Hairs on upper side of leaf blade
-
- the upper side of the leaf is fuzzy or hairy
- 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 cordate (heart-shaped, with rounded lobes)
- the base of the leaf blade is cuneate (wedge-shaped, tapers to the base with relatively straight, converging edges), or narrow
- 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
- the edge of the leaf blade has teeth
- Leaf blade edges (Acer)
- NA
- Leaf blade flatness
- the leaf is flat (planar) at the edges
- Leaf blade hairs
- the hairs on the leaf blade are different from the choices given
- Leaf blade length
- 36–70 mm
- Leaf blade scales
- there are no scales on the leaf blades
- Leaf blade shape
-
- the leaf blade is elliptic (widest near the middle and tapering at both ends)
- the leaf blade is obovate (egg-shaped, but with the widest point above the middle of the leaf blade)
- the leaf blade is ovate (widest below the middle and broadly tapering at both ends)
- Leaf blade texture
-
- the leaf blade is coriaceous (has a firm, leathery texture)
- the leaf blade is herbaceous (has a leafy texture)
- Leaf blade translucent dots
- there are no translucent dots on the leaf blade
- Leaf duration
- the leaves drop off in winter (or they wither but persist on the plant)
- Leaf form
- the plant is broad-leaved (with broadly flattened leaf blades)
- 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
- the leaf stalk has nectaries on it
- Leaf teeth
- the leaf blade margin is serrate (with forward-pointing) or dentate (with outward-pointing) with medium-sized to coarse 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
- Stipules
- the plant has stipules
-
Place
- Habitat
- terrestrial
- New England state
-
- Maine
- New Hampshire
- Vermont
- Specific habitat
-
- edges of forests
- forests
- man-made or disturbed habitats
- meadows or fields
-
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 ridged or plated
- 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
- Pith shape
- the outline of the pith in a twig is roughly round
- Twig papillae (Vaccinium species only)
- NA
- Twig winter color
-
- brown
- red
- Wings on branch
- the branch does not have wings on it
- armature on plant
- the plant has spines, prickles, or thorns
Wetland status
Not classified
In New England
Distribution
- Connecticut
- absent
- Maine
- present
- Massachusetts
- absent
- 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.
- New Hampshire
- extremely rare (S-rank: S1), -- (code: --)
From Flora Novae Angliae dichotomous key
12. Crataegus faxonii Sarg. NC
Faxon’s hawthorn. Crataegus faxonii Sarg. var. praetermissa (Sarg.) Palmer; C. praetermissa Sarg.; C. rotundifolia Moench var. faxonii (Sarg.) Egglest. • ME, NH, VT; northern New England. Fields, forest borders, roadsides, early successional forests. Reports of this species in CT and MA (e.g., Seymour 1982, Kartesz 1999) are erroneous and based on misidentified specimens. Crataegus faxonii has been relegated to the synonymy of C. chrysocarpa by some authors. However, the broad leaf blade bases, dense indument during flowering, and occasional presence of herbaceous bracteoles suggests this plant may be derived through hybridization of C. chrysocarpa and C. submollis.
Native to North America?
Yes
Sometimes confused with
Synonyms
- Crataegus faxonii Sarg. var. praetermissa (Sarg.) Palmer
- Crataegus praetermissa Sarg.
- Crataegus rotundifolia Moench var. faxonii (Sarg.) Egglest.