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Glossary

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Showing 14 of 14 terms starting with "F"

Family
A taxonomic category higher than a genus. A group of plants with biologically similar features. For plants, family names end in -aceae.

Filament
The part of the stamen which supports the anther. The stalk of the stamen. See drawing of flower parts.

Filiform
Long and slender, thread-like. See drawing of leaf shapes.

Fillaries
Involucral bracts that surround the heads of composites like Asteraceae.

Flexuous
Zigzag or wavy.

Floccose
Covered with tufts of soft, woolly hairs that rub off easily.

Floret
Small, individual flower. The ray and disc florets make up the compound flower in the Sunflower Family (Asteraceae), while the lemma, palea and included flower make up a floret in a grass plant. See drawing of flower parts and drawing of parts of a grass plant.

Floricane
In the genus Rubus, the second-year growth of a biennial stem that bears leaves, flowers, and fruits.

Flower
The reproductive part of a plant. It is usually composed of petals, sepals, stamens, and a pistil.

Follicle
A dry, dehiscent fruit, produced from a simple ovary, which opens along one suture.

Forb
Non-woody or non-grass or grass=like plants whaose above ground stem does not survive the winter. Forbs have solid stems and generally have broad, net veined leaves. Their flowers are often large, colorful, and showy. See drawing of plant group characteristics.

Fornices
In Boraginaceae, a set of small of crests or scales at the throat of a corolla.

Fruit
The ripe seed, berry, or grain.

Fusiform
Spindle-shaped; widest at the middle and each end narrowed to a point, round in cross-section.