Terminating in a sharp point.
Not perfectly naturalized.
Not opposite, but singly at different heights on the stem.
Of only one year's duration.
That part of a stamen containing pollen.
Lying close and flat against.
Angle formed by a leaf and stem.
Leaves springing from the stem at the ground.
Of two years duration.
A small, modified leaf usually at the base of a flower stem.
Having underground leaf-buds with fleshy scales or coats.
The outer perianth, or "cup" of a flower.
Fertilized in the bud, without the opening of the flower.
A compound flower head containing many tubular or ray florets seated in a bracted, or scaly cup or involucre.(As daisy, thistle, etc.)
Composed of several similar parts, or a leaf made up of several leaflets.
Heart-shaped with the point upwards.
The enlarged, solid bulb-like base of a stem.
The inner perianth of a flower, usually of petals as opposed to sepals of the calyx.
A flat topped cluster of flowers.
The pollen of one flower comin into contact with the stigma of another.
A stem running along the ground and root ing at intervals.
Falling off; not evergreen.
Tubular florets found in the center of composite flowers.
Smooth-edged; no teeth or divisions.
Having green leaves at all times.
Capable of producing fruit.
The quickening of the seed in the flow er ovaries by pollen from the anthers.
The thread-like part of a stamen.
A small tubular flower, usually one of cluster.
Smooth; not rough or hairy.
Covered wtih a whitish bloom.
Covered wtih rather coarse hairs.
Flowers with either stamens or pisti wanting.
Brought intentionally from other re gions.
A cup-shaped cluster of bracts surround ing a head or flower cluster.
With parts unequal in size or shape.
Much longer than wide pointed at the end and tapering at the base.
A single division of a compound leaf.
Long, narrow, with parallel margins.
Either division of a two-parted corolla; the broadened petal of an orchid.
A rounded division of a flower or leaf.
The central vein of a leaf.
Floral immigrants that have become firmly established.
A single, unbranched vein or rib.
Longer than broad, with nearly parallel sides.
Part of the pistil containing seeds.
Egg-shaped, broad end downwards. Palate - A rounded projection of the lower lip closing the throat.
Radially lobed; spreading like the fingers of the hand.
Stealing nourishment from other plants.
The stem of a single flower.
A flower-stalk supporting either a single flower or a cluster.
One that lasts year after year.
'One having both stamens and pistil.
Leaf pierced by the stem.
The calyx and corolla of a flower.
A single division of the corolla.
The stalk of a leaf.
Compound, with leaflets arranged on each side of a common petiole.
The ovary, style and stigma of a flower.
Female flowers; pistils but no stamens.
The life-producing grains in the anthers.
Pediceled flowers growing along a more or less elongated flower stem.
Growing from or around a common center.
The marginal flowers surrounding a disc.
A prominent vein of a leaf.
That part of a plant underground.
A leafless flower-stem rising from the ground.
A division of the calyx.
Having sharp teeth pointing forward.
Without rootstalk, pedicel or petiole.
Not compounded or branched.
A thick, fleshy spike usually in a spathe.
A large bract enclosing flowers.
Rounded at the end and gradually narrowing at the base.
Sessile flowers on an elongated stem.
A nectar-bearing, hollow extension of some portion of a blossom.
One of the pollen-bearing organs.
The upper, dilated petal of a pea-like flower.
The main ascending axis of a plant.
That part of a pistil through which pollen effects an entrance.
An appendage, or bract, at base of petiole.
Connection between the stigma and ovary.
A short, thick, underground root having numerous buds or eyes.
Growing in clumps or clusters.
A flower cluster with pedicels all from a common center.
Thread-like branching nerves.
Arrangement in a circle about stem.