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Achene - A small, dry fruit that contains one loose seed and that does not split open spontaneously. (e.g. sunflower seed).
Acuminate - Tapering gradually to a point at the apex.
Acute - Coming sharply to a point at the apex.
Alternate - Arranged singly at different points along a stem or axis.
Annual - Completing the cycle from seed to death in one year or season.
Apex -The tip.
Appressed - Pressed flat or close up against something.
Aril - An outer covering or appendage of some seeds.
Ascending - Rising upward gradually from a prostate base.
Awn - A bristle characteristic of the spike-lets in some grasses.
Axil - The angle formed by a stem with a branch, leaf stalk, or flower stalk growing from it.
Axillary - Growing from an axil.
Axis - The main stem of a plant, or a central line of symetry, development, or growth.
Berry - A stone-less, pulpy fruit containing one or more embedded seeds. (e.g. grape).
Biennial - Completing the cycle from seed to death in two years or seasons.
Bilabiate - Two-lipped.
Bipinnate - Pinnate, with pinnate leaflets.
Blade - The broad, thin part of a leaf or petal.
Bloom - A powdery, whitish coating on leaves, stems, or fruit.
Bract - A small, sometimes scale-like leaf, usually associated with flower clusters.
Bud - A protuberance on a stem, from which a flower, leaf, or shoot develops.
Bulb - A thick, rounded, underground organ consisting of layered, fleshy leaves and membranes. |
