| A | B |
|---|
| stolons | runners – long slender stems that grow along soil (ex.: strawberry |
| rhizomes | underground stems – common in grasses; bulbs and tubers are rhizomes specialized for storage (ex.: potato |
| suckers | roots produce sprouts that grow into new plants (ex.: apple, raspberry, banana) |
| adventitious leaves | numerous plantlets develop from tissue in notches along leaves |
| apomixes | embryos in seeds may be produced asexually |
| complete | calyx + corolla + androecium + gynoecium |
| incomplete | one or more whorls absent |
| perfect | has both androecium and gynoecium |
| imperfect | missing either androecium or gynoecium |
| complete flowers are always | perfect |
| incomplete flowers can be either | perfect or imperfect |
| connation | fusing within a whorl |
| adnation | fusing between whorls (for example, sepals and petals fused together) |
| radial symmetry; example | buttercups |
| bilateral symmetry; examples | snapdragons, orchids |
| dichogamous | stamens and pistils reach maturity at different times |
| genetic self-incompatibility | pollen tube arrested or never germinates |
