Flower Arrangement and Sexuality

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Questions and Answers

What is the arrangement of flowers that is characterized by a circular pattern with flowers more frequent than spiral arrangements?

  • Whorled
  • Cyclic (correct)
  • Nude
  • Spiral

Which type of flower contains both male and female flowers on the same plant?

  • Pistillate
  • Dioecious
  • Polygamous
  • Monoecious (correct)

What term is used for flowers that are missing both the androecium and gynoecium?

  • Pistillate flowers
  • Neuter flowers (correct)
  • Nude flowers
  • Staminate flowers

Which term describes plants that have male and female flowers on separate individuals?

<p>Dioecious (A)</p> Signup and view all the answers

Which flower type is an example of a neuter flower?

<p>Ray florets (D)</p> Signup and view all the answers

Flashcards

Cyclic Flower Arrangement

Flowers arranged more frequently than in a spiral pattern, in a circular manner.

Spiral Flower Arrangement

Flowers arranged in a spiral pattern on the thalamus.

Monoecious Plant

A plant with both male and female flowers on the same plant.

Pistillate Flower

Unisexual female flower.

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Staminate Flower

Unisexual male flower.

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Study Notes

Flower Arrangement and Sex

  • Flowers can be arranged spirally or in whorls
  • Some flowers have more than one set of floral leaves arranged either spirally or in whorls.
  • Flowers can be unisexual (either male or female) or bisexual (both male and female parts)
  • Neuter flowers have neither male nor female parts
  • Flowers with absent calyx and corolla are called nude flowers
  • Examples of plants with unisexual flowers include Cucurbita maxima
  • Plants that bear only male flowers are called staminate, whereas those bearing only female flowers are called pistillate.
  • Examples of unisexual flowers: Compositae family
  • Some flowers have both male and female parts, and these are called bisexual flowers.
  • Dioecious plants have separate male and female plants
  • Monoecious plants have male and female flowers on the same plant
  • Polygamous plants have mixture of male, female and bisexual flowers
  • Some plants have four sets of floral leaves
  • Flowers can be arranged in different ways (e.g. spiral, whorl)
  • Flowers may be bisexual or unisexual (pistillate/staminate)
  • Flowers may be neuter (no parts) or nude (no calyx or corolla)

Sex of Plants

  • The word "Hermes" represents the male sex symbol
  • The word "Aphrodite" represents the female sex symbol
  • "Aphrodite" stands for the goddess of love
  • "Hermes" stands for the Messenger of God

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