Plants

5. slender threadlike appendage of a climbing plant, often growing in a spiral form, that stretches out and twines around any suitable support
7. grass and grass-like flowering plants
10. a plant that has flowers and produces seeds enclosed within a carpel
11. a thin layer, plate, or scale of sedimentary rock, organic tissue, or other material
12. female reproductive organ of a flower, consisting of an ovary, a stigma, and usually a style
13. having or consisting of two lobes
14. relating to the branch of biology that deals with the form of living organisms, and with relationships between their structures
15. genus of tropical mangrove trees

1. genus of thorny ornamental vines, bushes, and trees belonging to the four o' clock family
2. one of the two groups into which all the flowering plants were formerly divided
3. the part of the ovary of seed plants that contains the female germ cell and after fertilization becomes the seed.
4. the stamens of a flower collectively
6. female reproductive portion as well as the innermost whorl in a flower
8. the arrangement of petals and sepals in a flower bud before it opens
9. aerial root specialized for gaseous exchange