=Fungus= A plant devoid of green color such as mushrooms and rots.
=Genus= A group of related species, as the pines or the oaks.
=Glabrous= Smooth, without hairs.
=Glandular= Bearing glands, or gland-like.
=Glaucous= Covered with a bluish or whitish waxy coating; a bloom.
=Globose= Ball-like, or nearly so.
=Globular= Ball-like.
=Habitat= The home of a plant.
=Head= A dense cluster of sessile flowers or the crown of a tree.
=Heartwood= The dead, central, usually highly colored portion of the trunk.
=Herbaceous= Herb-like, soft.
=Imbricated= Overlapping like the slate on a roof.
=Impressed= Hollowed or furrowed as if by pressure.
=Incomplete= Said of flowers in which one of the outer parts is wanting.
=Indigenous= Applied to plants that are native to a certain locality.
=Inflorescence= The flowering part of a plant, and especially its arrangement.
=Intolerant= Not shade enduring. Requiring sunlight.
=Involucre= A circle of bracts surrounding a flower or cluster of flowers.
=Irregular= Said of flowers showing inequality in the size, form, or union of similar parts.
=Keeled= With a central ridge, like the keel of a boat.
=Lanceolate= Shaped like a lance; several times longer than wide.
=Lateral= Situated on the side, as the buds along the side of the twig.
=Leaflet= One of the small blades or divisions of a compound leaf.
=Lenticel= A corky growth on young or sometimes older bark which admits air to the interior of the twig or branch.
=Linear= Line-like, long and narrow, with parallel edges.
=Lobed= Said of leaves that have the margins more or less cut or divided.
=Midrib= The central or main rib or vein of a leaf.
=Monoecious= Bearing stamens and pistils in separate flowers on the same plant.
West Virginia Trees · The Wunder Library — complete classics, free to read, with narration.