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An alphabetical listing of General terms and items.
A rounded projection of the lower lip of some irregular corollas, often closing the throat, as in Utricularia.
The uppermost of the two scales forming the floret in a grass spikelet (often obscure).
Radiately lobed or divided, the axes of the individual segments originating at a common point or nearly so.
Pertaining to marshes.
An inflorescence composed of two or more racemes or racemiform corymbs.
With a tight, densely tangled tomentum; Appearing felt-like.
Typically, a moist interdunal depression, often scoured down to the water table, in calcareous sands on the lee sides of dunes near Lake Michigan -- the vegetation quite fen-like in composition.
Butterfly-like; in the Fabaceae family particularly, having a corolla composed of a standard, keel, and two wing petals.
A minute, nipple-shaped projection.
Bearing papillae; warty or tuberculate.
A modification of the calyx, usually in the Asteraceae family, such that the segments are manifest as a low crown, a ring of scales, or fine hairs.
A single wart or tubercle.
Running side-by-side, from base to tip.
A feature occurring largely in the Monocots, where, instead of a network, the observable veins are parallel to each other and the midrib, or nearly so.
A plant which grows on and derives nourishment from another living plant.
Composed of thin-walled cells.
A fine crust or film.
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Soil or substrate heavily invested with or even totally composed of partially decayed organic matter.
Fringed or dissected in comb-like fashion.
The stalk of a single flower in a cluster.
Having a pedicel.
Characteristically referring to the second internode below a flower, but generally applied to any primary stalk which supports a head, flower cluster, or occasionally a single flower.
Having a peduncle.
Leaf/petiole relationship in which the petiole attaches to the blade away from the blade margin. Also similar relationships between stigmas and styles, indusium attachments to the frond surface, etc.
The specialized fruit in the gourd family -- essentially a large berry but possessing a thick rind.
Pertaining to a plant which lives for more than two years.
Pertaining to flowers which contain both stamens and pistils.
A condition in which the stem appears to pass through the leaf.
When the stem passes through the base of a stalk-less leaf.
Pertaining to the floral series of sepals, petals, or both, spoken of collectively.
The wall of the matured ovary.
Referring specifically to the often inflated sac which encloses the achene in the genus Carex.
With the perianth surrounding the ovary.
Remaining attached, especially after withering; not caducous.
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A segment of the corolla.
Colored like, or resembling, a petal.
Flower-leaves forming part of a corolla.
Having a leafstalk.
Having a leaflet stalk.
The stalk of a leaflet.
The reciprocal of the hydrogen ion concentration of a medium. A value on a scale of 0 to14 gives a measure of the acidity or alkalinity of a medium; pH values of 0 to 6.5 indicate acidic conditions, a pH value of 7.0 is neutral and pH values greater than 7.0 are alkaline
The conducting tissue of the vascular system that transports sugars and other compounds, primarily from the leaves, throughout the plant. Compare to xylem.
An involucral bract in the Asteraceae family.
A somewhat dilated leafstalk having the form of and serving as a leaf blade.
Pubescent with soft hairs.
One of the principal divisions in a pinnate or pinnately compound leaf or frond.
Referring to a foliar structure which is compound or deeply divided, the principal divisions arranged along each side of a common axis.
Incompletely pinnate, the clefts between segments not reaching the axis.
One of the principal divisions of a pinna.
That organ comprised of ovary, style (when present), and stigma.
Referring either to plants, inflorescences, or flowers which bear pistils but not stamens.
The parenchymatous, often spongy or porous, central portions of stems and branchlets.
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Beset with depressions or pits.
The inside portion of the ovary which bears the ovules.
Specifically, referring to the folded, often fringed, membrane between the corolla lobes in the genus Gentiana.
Similar to lenticular, but with one of the faces flat instead of convex.
Folded into plaits, usually lengthwise, thus similar to corrugated.
Beset with numerous, fine, pinnately arranged hairs; resembling a feather.
A general term used with different fruit types, such as legume (pea pod), follicle (milkweed pod), or for certain seed-bearing capsules (iris pod).
The fertilizing powder or male elements held by the anthers by of which the ovules are fertilized.
A coherent mass of pollen, such as in the Orchidaceae family and Asclepiadaceae family. Plural: pollinia.
Typically referring to an individual plant which contains both perfect and imperfect flowers.
Having a number of various forms.
A fleshy fruit (as in the apple), formed from an inferior ovary with several locules.
The small area which bursts open in some types of dehiscent capsules; also the opening in some anthers from which the pollen discharges.
Dehiscing by means of pores.
Next to or close to the main axis; its opposite is anterior.
A sharp, usually slender, bristle or spine of the epidermis, though originating in the deeper cell layers.
Principal; first order.
In Rubus, the cane of the first year (usually lacking flowers).
Of the shape of a prism -- angulate with flat sides.
A projection or outgrowth from some parent tissue.
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Trailing or reclining, but not rooting at the nodes.
To increase numbers of or perpetuate a species by sexual (seed) or asexual reproduction
Lying flat upon the substrate.
Near. The near end. Opposite meaning of distal.
Appearing powdery or mealy.
A swelling or enlargement, typically in the axils of the branches in a grass inflorescence.
Dotted, particularly with dark or translucent dots or glands.
Very sharp; acrid to the taste or smell.
Bearing blisters or pustules.
Broadest at the base, tapering apically; pyramid-shaped.
The nutlet of a drupe, such as the seed and bony endocarp of a cherry.
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