Biennial
These types of plants have a two year life cycle. The
plant grows the first year, and flowers or grows fruits
during the second year.
Calcareous
This term refers to soil which has a high level of calcium
carbonate. This content makes the soil very alkaline.
Calyx
The word calyx is used as a collective term for the
sepals of a flower.
Chlorotic
When there is a nutrient deficiency that causes a plant
to fail to produce chlorophyll, a yellowing of the plants
tissue can occur, and the plant if referred to as being
chlorotic.
Corolla
The corolla is the overall structure of all the petals
of the flower.
Cultivar
A cultivar results from the cross-breeding of plants,
which results in a new subspecies, or cultivar (hybrid).
Cymes
A cyme is a variation of the arrangement of flowers
on a plant.
Deciduous
A deciduous plant is one that loses its leaves seasonally.
Loss of leaves normally is in conjunction with a seasonal
weather change, such as winter.
Dioecious
This is when flowers of a plant are one sex only, and
require a second plant with flowers of the opposite
sex to reproduce.
Endemic
When a plant is said to be 'endemic', it means it is
confined, restricted, or found only in a particular
location.
Frost Tender
Plants that are said to be 'frost tender' can not survive
in any level of frost.
Gametes
Germ cells, called gametes, from the male and female
plants fuse together during fertilization.
Glabrous
Parts of plants that are glabrous have no 'hairs'
on their surface.
Gynoecium
The female reproductive part of the plant.
Hybrid
A hybrid plant is the result of interbreeding different
plant species of seperate taxa.
Lanceolate
This is a term describing the particular shape of leaves.
Lanceolate leaves are long leaves that are wider in
the middle.
Lenticel
A lenticel is an area of spongy tissue on the outside
of vascular plants that allow for the exchange of gases
between the atmosphere and the inner tissue of the plant.
Monocarpic
These plants have a limited life cycle. The plant will
grow, develop flowers, set their seeds, and the die.
Pendulous
When a tree's branches are dangling or hanging loosely
in the shape of a pendulum, they are said to be pendulous.
Perennial
If a plant lives for more than two years it is classified
as a perennial.
Perianth
The perianth refers to the outer portion of a flower.
The perianth contains the petals, tepals and sepals.
Propagation
This is the act of reproducing, spreading or distributing
plants.
Radicle
This is the first part to emerge from the seed during
germination, considered the embryonic root of the plant.
The radicle, once emerged, always grows downward in
the soil.
Stamen
This term refers to the male organs of a plant.
Whorl
A whorl is when items on a plant surround a central
point. Example: Leaves that are whorled surround and
attach to the stem at the same point.
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