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An alphabetical listing of General terms and items.
A pouch or bladder.
Having a sac.
Shaped like an arrowhead, usually referring to leaves in which two basal lobes are directed backward and downward.
Having a slender tube abruptly expanded into a flat limb, like a Phlox blossom.
An indehiscent, winged fruit.
A plant which grows on and derives nourishment from a dead plant or organic matter.
Producing slender, often, prostrate, runners or branches.
Rough; harsh to the touch.
Generally a thin, sometimes scarious, much reduced, leaf, bract, or perianth part.
Said of margins marked by a series of circular or arc-shaped teeth or projections.
A leafless flowering stem arising directly from the ground; or, such a stem which possesses minute scale-like leaves much smaller than the basal leaves.
Having or appearing to have a scape.
Typically, thin, dry, papery or membranous; usually not green.
A pericarp which splits into two to several one-seeded portions, termed mericarps or nutlets.
Bearing mealy or bran-like granules or scales.
Once removed from primary, which see.
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Arranged or oriented along one side of an axis, typically referring to the flowers of an inflorescence.
One of the units of a leaf or perianth that is divided but not fully compound.
Growing old; aging.
A segment of the calyx.
Of the texture of, or resembling, a sepal.
Divided by partitions.
Referring to capsules which dehisce through the side walls or partitions, not opening directly into the locule.
Any kind of partition.
With silky hairs.
Having the form of a bristle.
Produced late in the season; late to open; having cones that remain closed long after the seeds are ripe.
With sharp, typically forward-pointing, teeth.
Notched on the edge like a saw.
Without a stalk.
Beset with bristles.
Having minute bristles.
A tubular structure effected by the formation of leaf margins around the stem.
A woody plant, typically smaller than a tree, and typified as being branched from the base with two or more main stems.
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A short silique.
A specialized capsule in which a frame-like placenta or partition separates the two valves, most often occurring in the mustard family.
Not compound, a term usually applied to leaves; also, referring to a stem without branches or modifications.
An undivided leaf.
A cleft or dissection between two lobes.
Appearing dirty; definitely not white.
Specifically, in ferns, the clusters or discrete aggregations of sporangia.
An inflorescence spike typified by a very fleshy axis.
A foliaceous bract-like or sheathiform structure enclosing or partly enclosing an inflorescence.
Resembling a spathe.
Strongly dilated or expanded toward the distal end; spoon-shaped.
A group of like individuals, as white pine or bur oak.
Arranged in, or resembling, a spike.
A hard point or protuberance, typically on a leaf margin.
An unbranched inflorescence in which the flowers are sessile or subsessile along an elongate axis.
A secondary or small spike; specifically, in the Poaceae family, the unit composed or one or two glumes subtending one to several sets of lemma and palea combinations.
A sharp, stiff, often slender, process; a thorn.
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Ending in a spine, or bearing a spine.
Having spines; spiny.
With minute spines or stiff bristles.
Growing wild, without cultivation.
An asexual, one-loculed propagule of ferns and fern allies.
The fruit case of certain flowerless plants, containing sporangia or spores.
A foliar organ upon which sporangia are produced.
When the petals of a flower are at right angles with the central column.
An extended sac at the base of a corolla; a short branchlet with a very compact arrangement of leaf scars.
Pertaining typically to perianth or involucral segments which bend outward or downward at the tip.
The stem of any organ, as the petiole, peduncle, pedicel, filament, or stipe.
Pollen-producing structure comprised of the anther and the filament.
Referring either to plants, inflorescences, or flowers which bear stamens but not pistils.
A sterile stamen, or any structure lacking an anther but which corresponds to a stamen.
The upper, dilated or expanded, petal in a papilionaceous flower.
Star-shaped, usually in reference to hairs which are branched, forked or divided into two to several rays.
The main axis or principal shoot of a plant.
Incapable of reproducing sexually; also, referring to soil, very poor in nutrients.
That part of the pistil receptive to pollen.
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A small connecting stalk; sometimes a small stalk which elevates the pistil or flower above the receptacle or pedicel; also, the petiole of a fern frond or of Lemna.
An appendage of a leaflet analogous to a stipule.
Stalked, as defined above under stipe.
Belonging to stipules.
An appendage or bract situated at either side of a leaf axil.
Small leaves, always in pairs at the base of a leaf-stalk.
Resembling a stipule.
A horizontal, prostrate, running branch or stem, often tending to root at the nodes.
A minute orifice between two guard cells in a leaf epidermis, through which gaseous exchange is effected -- plural stomata.
Tan or straw-colored.
Beset with fine, longitudinal lines or grooves.
Pubescent with appressed hairs.
An inflorescence, often, but not always, indurated or woody, characterized by a series of imbricated scales; a cone.
A usually slender stalk connecting the stigma with the ovary.
A disk-like expansion of the base of the style, with the term often meaning to include the style as well.
Found under water.
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Referring to any structure situated at the base of another structure.
Below the ground.
A small point or bristle.
Very fleshy and juicy.
A rapidly growing shoot developing from an underground root or stem
Vegetative shoots from a proliferating root system.
Nearly or slightly woody. Compare fruticose.
Grooved or furrowed lengthwise.
Referring to an organ which stands above or appears over or higher than another similar organ; or in reference to an ovary, free from the calyx.
Borne above the axil.
A seam or union between partitions; a line of dehiscence as in a follicle or capsule.
Regular as to the number of its parts and their shape.
Occupying the same region.
With petals united, at least at the base.
A determinate inflorescence that simulates an indeterminate inflorescence, as if a scorpioid cyme were straight rather than circinate; or when an alternate-leaved plant's branching pattern mimics an opposite-leaved plant, producing forked branching.
A multiple fruit (usually fleshy), typified by the mulberry group.
Referring to the total ecology of a given plant community or community complex.
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