Page 17 - Forest Trees of Maine

Ellipsoid Tapers equally at both ends; more than twice as long as broad.
Elliptical Like an ellipse; flat and tapering equally at both ends.
Entire [leaf] Margin of leaf without teeth, lobes, or divisions.

Fascicle [leaf] A cluster of conifer leaves.
Fluted [stem] With alternating, rounded depressions and ridges.
Fruit The seed-bearing part of a tree.

Glabrous Smooth, without hairs
Glands Generally raised structures at the tips of hairs, or on a leaf, petiole, or twig.
Globose Spherical or globe-shaped.

Habitat The place where a plant usually grows, e.g. rocky, moist, well-drained, etc.
Hardwood Term used to describe all broad-leaved trees. These tree species are
typically deciduous, retaining their leaves only one growing season. Despite the
term, some “hardwoods,” such as the aspens, have wood that is relatively soft.
Head A compact aggregate of flowers or fruit on a common stalk.

Husk [fruit] The somewhat leathery, outer covering of a fruit sometimes capable
of splitting along well-defined lines.

Invasive Not native to and tending to spread widely in a habitat or environment,
sometimes displacing native species.
Lance-shaped Long and tapering; several times longer than broad; broadest
at the base.
Leaf Stalk (petiole) and blade of hardwoods; needles and scales of conifers.

Leaflets Smaller leaf units which together form a compound leaf.
Lenticel [bark] Corky, raised pores on woody parts with openings for air-gas
exchange.

Linear [leaf] Much longer than broad with parallel margins.
Lobed [leaf] With large, rounded or pointed projections
along the leaf margin. Projection formed by indentations of
the leaf margin.

Margin [leaf] The edge, perimeter, or portion forming
the outline. Lobed
Midrib [leaf] The large central vein.

Oblong Longer than wide with nearly parallel sides.

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