e-Key v3 - Normal Page Name
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.
  • Subfamily Nelsonioideae (ovules many; retinacula 0):
        • Elytraria
        • Nelsonia
  • Subfamily Thunbergioideae (ovules 4; retinacula 0):
        • Thunbergia
  • Subfamily Acanthoideae (ovules 2-many; retinacula present):
    • Tribe Acantheae:
        • Acanthopsis
        • Blepharis
        • Crossandra
        • Sclerochiton
    • Tribe Ruellieae:
      • Subtribe Barleriinae:
        • Barleria
      • Subtribe Ruelliinae:
        • Crabbea
        • Ruellia
        • Ruelliopsis
      • Subtribe Petalidiinae:
        • Chaetacanthus
        • Duosperma
        • Dyschoriste
        • Hemigraphis
        • Hygrophylla
        • Lepidagathis
        • Petalidium
        • Phaulopsis
    • Tribe Justicieae:
      • Subtribe Diclipterinae:
        • Dicliptera
        • Hypoestes
        • Peristrophe
      • Subtribe Isoglossinae:
        • lsoglossa
      • Subtribe Justiciinae:
        • Adhatoda
        • Anisotes
        • Duvemoia
        • Justicia
        • Metarungia
        • Monechma
        • Rhinacanthus
        • Siphonoglossa
      • Subtribe Odontoneminae:
        • Asystasia
        • Chorisochora
        • Ecbolium
        • Glossochilus
        • Mackaya
        • Megalochlamys
        • Pseuderanthemum
        • Ruspolia
        • Ruttya
        • X Ruttyruspolia
        • Salpinctium
  • Neuracanthus is currently of doubtful affinity. It is thought to be either a member of Acantheae - Ruellieae or in a tribe of its own.