Tree Identification Vocabulary - All
Trees with needle-like leaves
Trees with leaves which are not needle-like.
A woody plant with one trunk and tall height.
A woody plant with multiple stems and short height.
The main wooden feature of a tree
The vertical stem at the very top of a tree trunk.
The total of a tree's aboveground parts, usually referring to above the trunk.
One of the larger branches of a tree.
Other large woody stems growing from the trunk and limbs of a tree.
A young shoot representing the current season's growth of a woody plant.
An undeveloped twig shoot, occurs on the a stem.
A bud that occurs on the end of a stem.
Alternate Leaf Arrangement
A single leaf is attached at a stem.
Opposite Leaf Arrangement
A pair of leaves is attached at a stem.
Whorled Leaf Arrangement
Three or more leaves are attached at a stem.
The leaf may be lobed or divided, but does not form distinct leaflets.
A leaf of a plant consisting of several leaflets joined to a single stem.
The subunits of a compound leaf.
The tip of the leaf, at the very top.
The outside edge of the body of the leaf.
The whole main body of the leaf.
The "stem" part of the leaf, between the Blade and Stipule.
The base of the leaf stem, where it connects to the twig.
Entire Leaf Margins
Margins without teeth or serrations, smooth.
Serrate Leaf Margins
Margins with sharp teeth, like the blade of a saw.
Leaf lobes arranged opposite of each other, on each side of the leaf body.
Leaf lobes spreading from the bottom, like fingers on a hand.
More than one leaf blade per leaf, with leaflets branching off the main stem.
Palmately compound leaves
More than one leaf blade per leaf, with leaflets fanning out from stem.
Conifer leaves: Needle-like
Slender needle‐shaped leaves, tapering to a point.
Conifer leaves: linear
Flat-ish narrow leaf with parallel edges, sometimes tapering to point.
Conifer leaves: Awl-like
Narrowly triangular leaf, and sharply pointed.
Conifer leaves: Scale-like
Small sharp-pointed leaf with a broad base, usually overlapping on the stem.
The seed-bearing part of a plant.
The sweet fleshy product of a tree that contains seeds and can be eaten as food.
Fruit type: Nut
A hard-shelled pod that contains both the fruit and seed of the plant, where the fruit does not open to release the seed to the world.
Fruit type: Acorn
The nut of the oaks and their close relatives.
Dry fruits: samara
A type of dry fruit where one seed is surrounded by papery tissue wings that help carry the seed away from the tree as the wind blows. (i.e., a maple seed)
Fleshy fruits: drupe
A one-seeded fruit with a fleshy outer wall and a hard bony inner wall. (i.e., Cherries)
Fleshy fruits: pome
A fleshy fruit with a central core containing several seed. (i.e., Apple)
Fleshy fruits: berry
A pulpy fruit with immersed seeds. (i.e., Blueberries)
Leaf arrangements: spiral
Alternately arranged leaves in which each succeeding stem and attached leaf is rotated slightly from the leaf below.
Leaf arrangements: decussate
Arranged along the stem in pairs with each pair at right angles to the pair above or below.
Leaf arrangements: ternate
Leaves with three leaflets.
Leaf arrangements: Fascicle
Needle like leaves arranged in a tight cluster or bundle.
Short stumpy branches with a densely crowded shoot of leaves.
White-ish lines located on the underside of needle-like leaves.
Leaf covered with a whitish waxy coating.
A leaf attached directly to the stem, sometimes lacking stipules.
A leaf attached to the twig via a thin supporting stalk.
The scar remaining on a twig after a leaf falls.
Cone features: scale
A rudimentary leaf on a cone, or flattened epidermal outgrowth.
Cone features: bract
A modified leaf, protruding or within a cone.
Cone features: prickle
A hard, and sometimes sharp, pointed outgrowth from the surface of the cone.
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