Floriculture - Plant Structures

What causes the stomata on the leaf to open?

Moisture Availability

The collection of petals on a flower is referred to as the:

corolla

Flowers that have sepals, petals, stamen and pistils are called:

complete flowers

The pistil is

the female part of the flower

The tiny pores in the epidermis of a leaf through which gas enters and escapes are __________________.

stomata

The waxy coating, called the ______________________, serves to prevent water loss from the leaf tissues.

cuticle

The ___________________ transports water and nutrients from the roots to other parts of the plant.

xylem

The term variegated means?

leaves have patches, stripes, or marks of different colors

Systemic dyeing occurs by plants absorbing color through the

stem

Flower _________ is the terminal phase of developmental processes that leads to the death of a flower, which includes flower wilting, shedding of flower parts, and fading of blossoms.

senescene

The general rule to use to transplant seedlings is after:

The first true leaves have developed

The breathing pore in the stem is called a:

lenticel

Gladiolus and snapdragon stems are geotropic. This means that the tip of the flower:

Will bend away from the ground or gravity

The growth of the parts of plants with respect to the force of gravity:

geotropism

The water-conducting tissue of plants is called

xylem

The three basic parts of a seed are:

seed coat, endosperm, embryo

If a species has separate plants with each plant having only male flowers or female flowers, the plant is considered

dioecious

Photosynthesis primarily occurs within the ________________ inside plant cells.

chloroplast

A plant with a species name macrophylla could be expected to have

large leaves

The ______________ are crescent shaped and are responsible for opening the stoma.

guard cells

Many daylily, dahlia, and gladiola varieties are polyploid, which means that they have more than one set of

chromosomes

Which of the following plant characteristics belongs to monocots?

scattered vascular bundles

When removing thorns from roses, it is important to avoid tearing the outer layer, or bark, which would damage the plants:

xylem and phloem

The part of the plant stem that produces all new cells is the

cambium

The item "labeled X" in the figure below, is the ____________, which attaches the leaf to the stem.

petiole