flowers

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Across
  1. 3. is a light-sensitive pigment that absorbs light
  2. 6. a plant species producing male and female flowers on separate plants
  3. 7. is the enlarged base of the carpel that holds one to many ovules and transforms into a fruit after fertilization
  4. 8. the cluster of flowers on a branch or system of branches
  5. 11. a plant’s response to day and night temperatures
  6. 16. the stalk of the carpel connecting the stigma to the ovary
  7. 18. on occasion, a part of the perianth cannot be distinguished as a petal or a sepal and is called
  8. 19. is the type of an inflorescence that can continue growing from the tip, producing more flowers indefinitely; the last flower to open is terminal on the main axis, and the progression of flowering is upward or inward
  9. 21. is a flower that has both male and female flower parts.
  10. 23. a plant species producing both male and female flowers on the same plant
  11. 25. the initiation of flowering by satisfying a cold requirement
  12. 26. is a structure that holds a macrospore that produces an egg and after fertilization develops into a seed
  13. 29. is a flower that lacks one or more of the four flower parts
  14. 31. together, the sepals and the petals are the
  15. 32. is a unit of the inner floral envelope that is often very colorful and functions to attract pollinators, such as insects and birds
  16. 33. is the female part of a flower, composed of the stigma, the style, and the ovary
  17. 34. is a microspore made in the anther that produces sperm
  18. 35. is a green leaf-like structure on the exterior of a flower that protects the flower as a bud
Down
  1. 1. is the pollen-bearing structure of a stamen and is usually found at the top of the filament.
  2. 2. is a photoreceptor within plants that detects day length
  3. 4. is the stalk that holds the anther at its tip
  4. 5. is a flower that has a full complement of parts, including sepals, petals, stamens, and a carpel
  5. 9. is the male reproductive part of a flower, consisting of a filament and an anther that produces pollen
  6. 10. a plant that is unaffected by day length
  7. 12. a plant that flowers as days lengthen and nights get shorter in the spring and early summer
  8. 13. is a flower that has either male parts or female parts.
  9. 14. the reproductive organ of a flowering plant
  10. 15. the portion of the pedicel to which flower parts are attached
  11. 17. is the type of an inflorescence that has a fixed endpoint, with a terminal flower usually opening first; the progression of flowering is downward or outward
  12. 20. the group of petals on a flower
  13. 22. the main stem of an inflorescence
  14. 24. a plant that flowers naturally in late summer and fall when the day length gets shorter
  15. 27. a plant’s response to light duration
  16. 28. is a pollen-receptive surface found at the end of a carpel. Pollen lands on this usually sticky surface
  17. 30. the set of sepals on a flower
  18. 31. the plant stem that holds a flower