Topic #12: Podocarpaceae

• Characteristics of Podocarpaceae:

  • Leaves are lanceolate to oblong
  • May be either Shrubs or Trees
  • Seed cones with 2-5 fused scales and becomes berry like at maturity (produces aril)
  • These berry-like seed cones are brightly colored red to purple and very fleshy
  • Male cones often clustered.
  • Many species are Dioecious.
• Enumerate all the genus under Podocarpaceae:

  • Podocarpus
  • Dacrycarpus
  • Nageia
  • Phyllocladus
• What Podocarpus species is being shown in the picture?

  A) Podocarpus ramosii

  
• What Podocarpus species is being shown in the picture?

  A) Podocarpus lophatus

  
• What Dacrycarpus species is being shown in the picture?

  A) Dacrycarpus imbricatus

  
• What Nageia species is being shown in the picture?

  A) Nagei wallichiana

  
• What Phyllocladus species is being shown in the picture?

  A) Phyllocladus hypophyllus

  
• What Phyllocladus species is being shown in the picture?

  A) Phyllocladus trichomanoides

  
• Enumerate the 10 Podocarpus species in the Philippines

  • Podocarpus costalis
  • Podocarpus glaucus
  • P. lophatus
  • P. macrocarpus
  • P. neriifolius
  • P. palawanensis
  • P. pilgeri
  • P. polystachyus
  • P. ramosii
  • P. rumphii
• Which among the 10 Podocarpus species are endemic?

  Podocarpus lophatus

  Podocarpus macrocarpus

  Podocarpus palawanensis
• Genus Dacrycarpus

  • Imbricate and have tightly appressed leaves like Thuja
• Genus Phyllocladus

  • Has Phylloclades (modified leaf-like stems as adaptation to increase the photosynthetic area of a plant)
• Podocarpaceae are usually medium-sized trees only and phylloclades help the plant to compete for light in Angiosperm forests.
• Genus Phyllocladus

  • Seeds arise from margin of phylloclades