Topic #3: Perianth Cycly

• Perianth Cycly - Refers to the number of whorls of perianth parts.
• • Perianth - outermost, nonreproductive group of modified leaves of a flower
• Uniseriate

  • Perianth parts in a single whorl.
• Biseriate

  • Two discrete whorls present, upper and lower whorl.
• Uniseriate - Perianth parts in a single whorl.

  
• Biseriate - Two discrete whorls present, upper and lower whorl.

  
• Uniseriate - a single whorl

  
• Multiseriate

  • More than 2 whorls.
• Dichlamydeous (Multiseriate)

  • A perianth composed of a distinct Outer Calyx and Inner Corolla.
• Dichlamydeous (Multiseriate)

  • In most cases, it is biseriate but can be also multiseriate.
• Homochlamydeous (Multiseriate)

  • A perianth composed of similar parts, each part a tepal.
• Homochlamydeous (Multiseriate)

  • Most Monocots have this.
• Dichlamydeous (Multiseriate)

  
• 1. Homochlamydeous (Multiseriate)

  
• Biseriate, Homochlamydeous

  
• Biseriate, Dichlamydeous