Sedimentary Rocks. The Basics. Sedimentary rocks are classified in three main groups: clastic, chemical, and organic. Each group forms in a very unique way by completely different processes. Read on to discover more about these rocks and how they came to be. Clastic Rocks.
sprig. 1. a small spray of a plant with its leaves, flowers, etc. 2. an ornament having the form of such a spray. 3. a shoot, twig, or small branch. 4. a scion; heir. 5. a youth. 6. a headless brad. 7. to mark or decorate with a design of sprigs.
Flower Terms. An inflorescence grows from a main stem, also called a peduncle. The term âstem axisâ is sometimes used instead of peduncle. A pedicel is short flower stalk that grows from a peduncle. In researching plants, you might see the terms racemes, umbrels, cymes and corymbs used to describe flowers. These are types of flower inflorescence that display flowers on pedicels in one form or another.