The beginning of growth, as of a seed,
spore, or bud.
A plastid that contains chlorophyll and
is found in the cells of green plants and algae.
The process in green plants and certain
other organisms by which carbohydrates are synthesized from carbon
dioxide and a source of hydrogen (usually water), using light as an
energy source.
The ovule of a flowering plant
A plant that is cultivated or
appreciated for its blossoms.
Young plant growth, such as a bud or
shoot.
A small protuberance on a stem or
branch, sometimes enclosed in protective scales and containing an
undeveloped leaf, flower, or leafy shoot.
A slender stalk supporting or
connecting another plant part, such as a leaf or flower.
A usually green, flattened, lateral
structure attached to a stem and functioning as a principal organ of
photosynthesis and transpiration in most plants.
The usually underground portion of a
plant that lacks buds, leaves, or nodes and serves as support, draws
minerals and water from the surrounding soil, and sometimes stores food.
A plant considered undesirable,
unattractive, or troublesome, especially one that grows where it is not
wanted and often grows or spreads fast or takes the place of desired
plants.
The top layer of the earth's surface
in which plants can grow.
The main woody axis of a tree.
A sweet liquid that many plants
secrete from specialized structures, often inside flowers, where it
serves to attract pollinators such as certain insects and birds. Bees
use nectar to make honey.
A short, modified, underground stem
surrounded by usually fleshy modified leaves that contain stored food
for the shoot within.
Any of the separate parts of the
corolla of a flower: often brightly coloured.
The fine powderlike material whose
individual grains contain the male reproductive cells of seed plants.
A plant that blooms.
The male reproductive organ of a
flower, consisting of a stalk (filament) bearing an anther in which
pollen is produced.
The female, ovule-bearing organ of a
flower, including the stigma, style, and ovary.
