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- Pinus rigida
Pinus rigida — pitch pine
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Facts
The cone scales and sharp needles of pitch pine are thick and rigid, making this a distinctive and easy-to-remember species. In New England, it most commonly occurs in sandy barrens and coastal plains; it is the only moderately salt-tolerant pine species in the region. It relies on fire to clear areas of competitors and allow for colonization. This hardy species is extremely resilient to fire and herbivory by deer; it readily sends up new shoots in response to stress. Pine grosbeak, pine warbler, and many other birds find the seeds a welcome mid-winter food. The dense, resinous wood has long been used for ship-building and rough construction.
Habitat
Wetland margins (edges of wetlands), woodlands
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
- wetlands
- New England state
-
- Connecticut
- Maine
- Massachusetts
- New Hampshire
- Rhode Island
- Vermont
- Growth form
- the plant is a tree
- Leaf form
- the leaves are needle-like
- Leaf cross-section
- the needle-like leaves are rounded, or flattened on one side (can be rolled between the fingers)
- Leaf arrangement
- the needle-like leaves are in clusters or held on short shoots
- Seed cone form
- the seed cone is longer than wide, with woody scales attached at the base
- Leaf clustering
- the needle-like leaves are in bundles or clusters of three
- Seed cone shape
- the seed cone is ovoid (egg-shaped)
- Leaves overlapping
- the needle-like leaves are separate and do not hide the twig surface
-
Fruits or seeds
- Seed cone base
- the base of the seed cone does not look hollow
- Seed cone bracts
- the bracts are covered by the seed cone scales
- Seed cone form
- the seed cone is longer than wide, with woody scales attached at the base
- Seed cone scales
- the visible portion of the scale of the closed seed cone is thickened at its base
- Seed cone shape
- the seed cone is ovoid (egg-shaped)
- Seed cone symmetry
- the seed cone is symmetrical
- Seed cone umbo position
- the raised portion is at the tip of the seed cone scale
- Seed cone umbo spine
- the seed cone scale has a sharp point on it
- Seed wings
- the seeds have wing-like projections
-
Growth form
- Growth form
- the plant is a tree
-
Leaves
- Leaf arrangement
- the needle-like leaves are in clusters or held on short shoots
- Leaf base
- NA
- Leaf clustering
- the needle-like leaves are in bundles or clusters of three
- Leaf cross-section
- the needle-like leaves are rounded, or flattened on one side (can be rolled between the fingers)
- Leaf duration
- the needle-like leaves remain green all winter
- Leaf form
- the leaves are needle-like
- Leaf glands
- there are no glands on the underside of the needle-like leaves
- Leaf stalks
- the needle-like leaves do not have a leaf stalk
- Leaf types
- there are two distinct types of needle-like leaves on the twig
- Leaves overlapping
- the needle-like leaves are separate and do not hide the twig surface
-
Place
- Habitat
-
- terrestrial
- wetlands
- New England state
-
- Connecticut
- Maine
- Massachusetts
- New Hampshire
- Rhode Island
- Vermont
- Specific habitat
-
- edges of wetlands
- woodlands
-
Stem, shoot, branch
- Bark resin blisters
- there are no resin blisters on the bark
- Branchlet thickness
- 2–5 mm
- Leaves on shoots
- there are needle-like leaves growing in tight clusters on a short, knob-like shoot
- Twig bloom
- there is no bloom on the twig
- Twig hair type
- the twigs have few or no hairs on them
- Twig hairs
- the twig does not have hairs
Wetland status
Usually occurs in non-wetlands, but occasionally in wetlands. (Wetland indicator code: FACU)
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.
- Maine
- unranked (S-rank: SNR)
- Massachusetts
- widespread (S-rank: S5)
From Flora Novae Angliae dichotomous key
5. Pinus rigida P. Mill. N
pitch pine. CT, MA, ME, NH, RI, VT. Nutrient-poor, sandy and/or rocky soils, occasionally in wetlands with a well-developed organic soil horizon.