Chp: 21-5 Biology

vessel elements

is one of the cell types found in xylem, the water conducting tissue of plants. Are typically found in flowering plants (angiosperms) but absent from most gymnosperms such as conifers.

stigma

is the receptive tip of a carpel, or of several fused carpels, in the gynoecium of a flower.

corolla

petals of flowers are often arranged in a circle around the center of the flower, and this collective unit of petals is

filament

supports the anther, which is where pollen develops.

anther

the part of a stamen that contains the pollen.

carpel

the female reproductive organ of a flower, consisting of an ovary, a stigma, and usually a style. It may occur singly or as one of a group.

stamen

the male fertilizing organ of a flower, typically consisting of a pollen-containing anther and a filament. Pollen-producing reproductive organ of a flower.

flower

the reproductive structure found in plants that are floral (plants of the division Magnoliophyta, also called angiosperms). Function is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs may facilitate outcrossing (fusion of sperm and eggs from different individuals in a population) or allow selfing (fusion of sperm and egg from the same flower).

fiber

A cell that is narrow, elongated, and thick-walled, and one of the components of sclerenchyma tissue

perfect

A flower with male and female reproductive parts

imperfect

A flower with only one set of sexual reproductive structures

inflorescence

a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches.

ovary

a part of the female reproductive organ of the flower or gynoecium. Specifically, it is the part of the pistil which holds the ovule(s) and is located above or below or at the point of connection with the base of the petals and sepals.

sepals

a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom

petals

modified leaves that surround the reproductive parts of flowers. They are often brightly colored or unusually shaped to attract pollinators.

style

stalk at the top of the carpel

monoecious

the seed-bearing structure in flowering plants (also known as angiosperms) formed from the ovary after flowering. Fruits are the means by which angiosperms disseminate seeds.

fruits

the seed-bearing structure in flowering plants (also known as angiosperms) formed from the ovary after flowering. The means by which angiosperms disseminate seeds

pistil

typically consists of an expanded basal portion called the ovary, an elongated section called a style and an apical structure that receives pollen called a stigma.

gynoecium

whorl of (one or more) pistils in a flower and is typically surrounded by the pollen-producing reproductive organs, the stamens, collectively called the androecium.