GLOSSARY

axil: the angle where a leaf stem joins a twig.

deciduous: losing its leaves in winter, not evergreen.

dioecious: bearing staminate, or male, flowers on separate plants from the pistillate, or fruit-bearing flowers; hence some plants of certain species never bear fruits or seeds.

fruit: that part of any plant which contains the seeds.

lenticel: air pore in the bark.

monoecious: bearing the two kinds of flowers on the same plant.

opaque: not admitting or transmitting light.

perfect: having both stamens and pistils in one flower, as most showy flowers have.

pistillate: possessing a pistil or pistils and lacking stamens; female, or fruit-bearing.

staminate: possessing stamens and lacking a pistil; male, or pollen-bearing.

translucent: admitting some light but not clear or transparent.

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FLOWERS and TWIGS

Spike

Cyme

Umbel

Panicle

Catkin

Twigs

Opposite

winter bud

leaf scar

Alternate

Flower Parts

anther

pistil

stamen

sepal

petal

Pea Shaped Flower

TYPES OF SIMPLE LEAVES

Elliptical

Acute Tip

Coarsely Serrate (toothed) Margin

Lobed

Rounded

Pointed

Oblong

Crenate Margin

Midrib

Ovate

Acuminate Tip

Notched Margin

Truncate Base

Linear

Heart

Serrate Margin

More than one main vein at the base

Sickle

Obovate

Doubly Serrate Margin

veins united near margin

COMPOUND LEAVES

Pinnate

odd leaflet

Palmate

Twice Pinnate

leaflet

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