Stem of a potato plant.

Stem

Stem of a potato plant.

A leaf-cutting of begonia, well started.

Leaf-cutting of a begonia

A leaf-cutting of begonia, well started.

Cross section of a leaf, showing the breathing pores and intercellular spaces. The small dots are grains of chlorophyll.

Cross-section of a leaf

Cross section of a leaf, showing the breathing pores and intercellular spaces. The small dots are grains…

An early, rapid fruiting, productive type of cotton plant, with low fruit limbs, short joints and continuous growing long fruit limbs. Leaves removed.

Fruitful cotton plant

An early, rapid fruiting, productive type of cotton plant, with low fruit limbs, short joints and continuous…

A late, slow fruiting, unproductive type of cotton plant, with high fruit limbs and long joints. Leaves removed.

Unfruitful Cotton Plant

A late, slow fruiting, unproductive type of cotton plant, with high fruit limbs and long joints. Leaves…

A clump of leaves in the grass.

Leaves

A clump of leaves in the grass.

A small, omnivorous bird, which gets its name from the hatches or hammerings it leaves on nuts.

Common European Nuthatch

A small, omnivorous bird, which gets its name from the hatches or hammerings it leaves on nuts.

"In this carapace covers the body above and low down on the sides, but leaves the belly unprotected; the bands across the back are twelve to fourteen. It is the largest of the family, being three feet three inches long, with a tail nearly half the length of the body; its head is very small; its ears are of a moderate size, pointed, and habitually crouched backward." — S. G. Goodrich, 1885

Giant Tatou

"In this carapace covers the body above and low down on the sides, but leaves the belly unprotected;…

The tailor-bird makes its nest by weaving it together with living leaves.

Tailorbird

The tailor-bird makes its nest by weaving it together with living leaves.

Also known as the wood-grouse, the capercaille averages about three feet in length and feeds on berries and tender leaves.

Capercaille

Also known as the wood-grouse, the capercaille averages about three feet in length and feeds on berries…

Tapering at the end.

Acuminate

Tapering at the end.

Terminating with a sharp point.

Acute

Terminating with a sharp point.

Usually pertains to leaves. Not opposite each other but bourne singly at different levels on the stem.

Alternate

Usually pertains to leaves. Not opposite each other but bourne singly at different levels on the stem.

The pollen-bearing portion of a stamen.

Anther

The pollen-bearing portion of a stamen.

Slenderly tapering; long drawn-out.

Attenuate

Slenderly tapering; long drawn-out.

A bristle-like appendage.

Awn

A bristle-like appendage.

The angle formed by a leaf with the stem.

Axil

The angle formed by a leaf with the stem.

Lenticular

Biconvex

Lenticular

Bearing two teeth at the tip.

Bidentate

Bearing two teeth at the tip.

The expanded portion of a leaf.

Blade

The expanded portion of a leaf.

A modified leaf usually subtending a flower or flowers.

Bract

A modified leaf usually subtending a flower or flowers.

The outermost circle of flower parts; made up of sepals.

Calyx

The outermost circle of flower parts; made up of sepals.

With a cellular-like surface.

Cancellate

With a cellular-like surface.

A simple pistil or one of the parts of a compoud pistil.

Carpel

A simple pistil or one of the parts of a compoud pistil.

Minutely ciliate.

Cilliate

Minutely ciliate.

The contracted stalk-like base of a petal.

Claw

The contracted stalk-like base of a petal.

Composed of two or more similar parts united to form one whole; for instance, a leaf.

Compound

Composed of two or more similar parts united to form one whole; for instance, a leaf.

Heart-shaped with the tip forward.

Cordate

Heart-shaped with the tip forward.

A hard, bulb-like base of a stem.

Corm

A hard, bulb-like base of a stem.

The inner circle of flower parts: made up of petals which are often colored and showy.

Corolla

The inner circle of flower parts: made up of petals which are often colored and showy.

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.