A | B |
Annual | a plant which develops from a seed and produces new seeds in a single growing season |
Angiosperms | flowering plants that produce covered seeds |
Fertilization | the formation of a seed by the uniting of a sperm nucleus from a pollen grain and egg cell |
Seedling | when the plant no longer depends on the cotyledon for nourishment |
Stolon | a creeping stem that grows above ground |
Radicle | a small root that will develop into the root system |
disc flowers | closely packed tubular flowers in the flower center |
pollination | the transfer of pollen from the anther to the stigma |
photosynthesis | the food producing process of the plant |
sessille | leaves that have no petioles but are attached directly to the stem |
pinnate | small veins branching from one main vein |
agent dispersal | seed dispersal by birds and animals |
toothed margin | a leaf with small sharp teeth or large blunt teeth |
perennial | a plant which lives from year to year and blooms each season |
herbaceous | a non-woody plant |
entire margin | smooth unbroken leaf edge |
fruit | anything that forms from the ovary of a flower. |
compound leaf | a leaf that has more than one blade joined to a petiole |
nectar | a sweet liquid usually stored in the base of the blossom |
biennial | a plant that lives through two growing seasons |
petiole | a stalk to which a blade or flat part of leaf is attached |
corms | thick, vertical, underground stems |
inferior ovary | the ovary attached below the other flower parts |
superior ovary | the ovary attached above the other flow parts |
xylem | plant tissue that carries water and nutrients from the root hairs upward to the leaves |
phloem | plant tissue that carries sugars from the leaves back to the stem and roots |
root pressure | the upward force created as water enters the root through osmosis |
capillary action | the tendency of water to move upward through the xylem tissue in response to surface tension |
composite family | largest family of flowering plants |
grasses | the most important group of plants on earth |