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Tubular structure formed by united petals.

Corolla-Tube

Tubular structure formed by united petals.

A type of flower cluster with a flat top.

Corymb

A type of flower cluster with a flat top.

Wedge-shaped.

Cuneate

Wedge-shaped.

Extending or running down on another structure, as a leaf on a stem or a tubercle on an achene.

Decurrent

Extending or running down on another structure, as a leaf on a stem or a tubercle on an achene.

Shaped like an equalateral triangle or the Greek letter delta.

Deltoid

Shaped like an equalateral triangle or the Greek letter delta.

forking regularly by twos.

Dichotomous

forking regularly by twos.

Cut into numerous very fine segements or divisions.

Dissected

Cut into numerous very fine segements or divisions.

Coming off in two ranks.

Distichous

Coming off in two ranks.

Diverging at a wide angle.

Divaricate

Diverging at a wide angle.

Pertains to shape.

Elliptic

Pertains to shape.

Rooted to substratum; erect and extending upward out of water.

Emergent

Rooted to substratum; erect and extending upward out of water.

Pertaining to leaves; comming off in two ranks, making the base appear flattened.

Equitant

Pertaining to leaves; comming off in two ranks, making the base appear flattened.

Appearing as if gnawed.

Erose

Appearing as if gnawed.

A cluster or bundle.

Fascicle

A cluster or bundle.

The part of the stamen which supports the anther.

Filament

The part of the stamen which supports the anther.

Like a thread; long, slender, and round.

Filiform

Like a thread; long, slender, and round.

Alternately bent or twisted in different directions.

Flexuous

Alternately bent or twisted in different directions.

Spindle shaped.

Fusiform

Spindle shaped.

Swollen on one side.

Gibbous

Swollen on one side.

Shperical.

Globose

Shperical.

Like sagittate but with lobes diverging.

Hastate

Like sagittate but with lobes diverging.

A dense cluster of sessile or almost sessile flowers borne on a very short axis.

Head

A dense cluster of sessile or almost sessile flowers borne on a very short axis.

Portion of the united calyx investing the fruit.

Hypanthium

Portion of the united calyx investing the fruit.

Spirally overlapping.

Imbricate

Spirally overlapping.

Cut sharply, irregularly, and more or less deeply.

Incised

Cut sharply, irregularly, and more or less deeply.

Rolled inwardly toward the midrib.

Involute

Rolled inwardly toward the midrib.

Possessing a central ridge as a boat.

Keeled

Possessing a central ridge as a boat.

Irregularly cut as if torn.

Lacerate

Irregularly cut as if torn.

Shaped like a spear head, broadest near base, tapering to apex, and several times as long as broad.

Lanceolate

Shaped like a spear head, broadest near base, tapering to apex, and several times as long as broad.

Long and narrow and with parallel sides.

Linear

Long and narrow and with parallel sides.

With projection or divisions.

Lobed

With projection or divisions.

Main rib of normal lleaf running from base to apex.

Midrib

Main rib of normal lleaf running from base to apex.

Ending in an abrupt, fine, slender tip.

Mucronate

Ending in an abrupt, fine, slender tip.

The places on the stems that normally bear leaves.

Nodes

The places on the stems that normally bear leaves.

Lanceolate in outline but with the broadest part toward the apex.

Oblanceolate

Lanceolate in outline but with the broadest part toward the apex.

Longer than broad and with nearly parallel sides.

Oblong

Longer than broad and with nearly parallel sides.

Ovate in outline butwith hte broadest portion toward the apex.

Obovate

Ovate in outline butwith hte broadest portion toward the apex.

Shaped like a pyramid with the broad end uppermost.

Obpyramidal

Shaped like a pyramid with the broad end uppermost.

Blunt or rounded at the tip.

Obtuse

Blunt or rounded at the tip.

A tubular sheath present on the stem just above the base of the leaves of docks and smartweeds. It is formed of the fused stipules.

Ocrea

A tubular sheath present on the stem just above the base of the leaves of docks and smartweeds. It is…

Coming off opposite each other at the same level on the axis.

Opposite

Coming off opposite each other at the same level on the axis.

Circular or round.

Orbicular

Circular or round.

The basal portion of the pistil in which the seeds or ovules are bourne.

Ovary

The basal portion of the pistil in which the seeds or ovules are bourne.

Having an outline like that of an egg, with the broadest part downward.

Ovate

Having an outline like that of an egg, with the broadest part downward.

An irregularly compund flower cluster with stalked flowers.

Panicle

An irregularly compund flower cluster with stalked flowers.

A stalk of a single flower.

Pedicel

A stalk of a single flower.

Petiole attached notat margin of leaf but in the middle of the lower surface.

Peltate

Petiole attached notat margin of leaf but in the middle of the lower surface.

The calyx and corolla taken together.

Perianth

The calyx and corolla taken together.

A member of the inner circle of flower parts; often colored and showy.

Petal

A member of the inner circle of flower parts; often colored and showy.

The stalk of a leaf.

Petiole

The stalk of a leaf.

The seed-bearing part of a flower.

Pistil

The seed-bearing part of a flower.

Covered with hairs, often short and downy.

Pubescent

Covered with hairs, often short and downy.

With small dots, whichcanoften be seen only with a lens.

Punctate

With small dots, whichcanoften be seen only with a lens.

A flower cluster with the flowers stalked and comming off a commonand more or less elongated axis.

Raceme

A flower cluster with the flowers stalked and comming off a commonand more or less elongated axis.

Kidney shaped.

Reniform

Kidney shaped.

With a network like surface.

Reticulate

With a network like surface.

Appearing as if rolled back from the margins.

Revolute

Appearing as if rolled back from the margins.

With the leaves clustered symmetrically around the base of the stem or scape.

Rosette

With the leaves clustered symmetrically around the base of the stem or scape.

Like an arrowhead, with the lobes turned downward.

Sagittate

Like an arrowhead, with the lobes turned downward.

A member of the outermost circle of flower parts.

Sepal

A member of the outermost circle of flower parts.