Acute. - Sharp-pointed.
Alternate. - Not opposite or paired, but arranged singly at different heights on either side of the stems. Annual. - Of one year's duration. Anther. - That part of the stamen which contains the pollen. Apetalous. - Without petals, like the
Anemone. Secondary flowers. Apex. - The outer tip of a leaf or petal. Axil. - The angle formed by a leaf or branch with the stem.
Basal. - Rosettes or tufts of leaves clustered near the ground.
Bearded. - Bearing tufts of hairs.
Biennial. - Of two years' duration. Usually flowering and fruiting the second year only, and then perishing.
Bract. - A small, modified leaf at the base of, or upon the flower stem.
Bractlet. - A secondary bract, usually upon the stem of a flower.
Bulb. - An underground leaf-bud with fleshy scales.
Bulbous. - Having the character of a bulb.
Calyx. - The outer lower set of leaves at the base of the flower. Usually green, and sometimes brightly coloured. In some instances acting in the place of petals.
Carpel. - A simple pistil or a single part of a compound pistil.
Chlorophyll. - The green colouring matter of plants.
Cleistogamous. - Small, inconspicuous flowers which never open but fertilize themselves in the bud, and usually grow near the ground.
Compound. - Composed of two or more similar parts united into a whole. Compound leaf, is one divided into separate leaflets.
Corm. - A solid, fleshy, bulb-like enlargement at the base of the stem.
Corolla. - The flower leaves standing next within and above the calyx.
Cross-fertilization. - Is produced by the pollen, which has been transferred from the anther of one flower to the stigma of another, by bees, moths, butterflies, insects, and the wind.
Deciduous. - Not evergreen. Falling away.
Defexed.- Bent or turned sharply or abruptly downward.
Disc Flowers. - The tubular florets composing the central "button" of an Aster or similar composite flower, and usually surrounded with a circle of ray flowers.
Entire. - Without toothing or division.
Evergreen. - Bearing green leaves throughout the year.
Fertile. - Fruit-producing flowers, as one having a pistil, or anthers with pollen. Bearing reeds.
Fibrous. - Threadlike.
Filament. - The threadlike part of a stamen, which supports the anther.
Fertilization. - A process whereby the tiny pollen grains, which come in contact with the stigma penetrates the style and enters the ovary, where it quickens the seed formation into life.
Floret. - A small flower, usually one of the ray or disc flowers of the Composite family.
Head. - A dense cluster of stemless or nearly stemless flowers like a Daisy or Clover.
Hybrid. - A cross-breed of two species.
Imperfect. - Flowers with either stamens or pistils, not with both. Introduced. - Brought intentionally from another region. Irregular. - Showing inequality in the size, form or union of its similar parts.
Keeled. - Ridged like the keel of a boat. Applied to the two united lower petals of the peculiar corolla of the blossoms of the Pea family.
Lance-shaped. - Much longer than wide, broadest above the base, and narrowest to the apex.
Leaf et. - A separate or single division of a compound leaf, or a tiny leaf or bract.
Lip. - The prominent upper petal of orchids (which by a peculiar twist appears as the lower) or the divisions of the two-parted flowers of the Mints.
Lobe. - The rounded segments of any part of flower or leaf.
Margin. - The edge or outline of a leaf or petal. Midrib. - The central or main rib of a leaf.
Naturalized. - Plants not native to the region but so firmly established as to have become part of the flora.
Nectar. - A sweetish fluid contained in some parts of a flower.
Oblique. - Slanting.
Oblong. - Longer than broad, with nearly parallel or somewhat curving sides. Ovary. - Lower part of a pistil, which bears seeds. Ovate. - Egg - shaped, with the broadest end toward the stem.
Papilionaceous. - Having a winged corolla somewhat resembling a butterfly, and peculiar to the flowers of the Pea family.
Palate. - A round projection of the lower lip of a two-lipped flower, closing the throat.
Parasitic.- Growing upon and deriving nourishment from another plant. .
Perennial. - Lasting year after year.
Perfect flower. - One having both pistil and stamens.
Petal. - A division of the corolla.
Petiole. - The stalk of a leaf.
Pistil. - The central and seed-bearing organ of a flower, consisting of the ovary, stigma and style when present.
Pistillate. - Having pistils, but no stamens. Female flowers.
Pollen. - The yellow fertilizing powder contained in the anther.
Polygamous. - Bearing both perfect and imperfect flowers.
Radiate. - Spreading from or arranged around a common centre. Bearing ray flowers.
Ray. - The outer florets of a Daisylike flower.
Recurved. - Curved downward or backward.
Refexed. - Sharply bent or curved downward.
Rib. - The prominent vein of a leaf.
Root. - The underground part of a plant supplying nourishment.
Rootstock. - A creeping, horizontal, underground stem rooting at the joints, and becoming erect at the apex.
Runner. - A very slender stolen.
Scape. - A leafless, or nearly leafless flower stalk rising from the ground.
Saprophyte. - A plant which grows on dead organic matter.
Secund. - Borne along one side of a stem.
Segment. - One of the parts of a leaf or other like organ that is cleft or divided.
Sepal. - A division of the Calyx.
Sheath. - A tubular covering, as the lower part of the leaves in grasses.
Spadix. - A fleshy spike enveloped by a spathe as in the Cala Lily and Jack-in-the-Pulpit.
Spathe. - A large, leaflike bract or pair of bracts enclosing a flower or spadix.
Spike. - An elongated, closely set flower-cluster.
Spur. - A hollow, sac-like or tubular extension of some part of a blossom, usually nectar-bearing.
Stalk. - Herein used to designate the main ascending part of a plant.
Stamen. - One of the pollen-bearing organs of a flower.
. - Flowers which bear stamens but no pistils. Male flowers.
Stem. - Herein used to designate the connecting parts between the stalk and the leaves and flowers.
Sterile. - Unproductive, as a flower without a pistil, or stamen without an anther.
Stigma. - The tip or side of a pistil through which the pollen is received, by means of tiny tubes which penetrate the style and convey the minute grains to fertilize the seeds within the ovary.
Stipule. - A tiny leaflet borne at the base of a petiole.
Stolen. - A basal runner or rooting branch.
Style. - The usually slender part of a pistil connecting the stigma and the ovary.
Terminal. - Borne at the summit of the stem.
Tuber. - A short and thick underground branch having many eyes like a potato.
Tufted. - Growing in clusters or clumps.
Umbel. - A terminal, floral arrangement in which the stems of a cluster spring from the same point like the ribs of an umbrella.
Veins. - The finer, threadlike branching parts in the fibre or tissue in a leaf or other organ.
Venation. - The arrangement of the veins.
Whorl. - An arrangement of leaves in a circle around the stem.
Winged. - Having a thin expansion or extension on either side of the stem.