Streptocarpus ionanthus

Streptocarpus ionanthus (synonym Saintpaulia ionantha) is a species of Streptocarpus in the section Saintpaulia, commonly known as an African violet. It is native to eastern and southwestern Tanzania.[1]

Streptocarpus ionanthus
1895 illustration
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Gesneriaceae
Genus: Streptocarpus
Section: S. sect. Saintpaulia
Species:
S. ionanthus
Binomial name
Streptocarpus ionanthus
(H.Wendl.) Christenh.[1]
Subspecies and varieties

See text

Synonyms[1]
  • Petrocosmea ionantha (H.Wendl.) Baill.
  • Saintpaulia ionantha H.Wendl.
  • Saintpaulia kewensis C.B.Clarke
  • Saintpaulia tongwensis B.L.Burtt

Infraspecific taxa

As of March 2020, Plants of the World Online accepted the following subspecies and varieties. Many have previously been treated as separate species in the no longer recognized genus Saintpaulia.[1]

  • Streptocarpus ionanthus var. diplotrichus (B.L.Burtt) Christenh. (syn. Saintpaulia diplotricha)
  • Streptocarpus ionanthus subsp. grandifolius (B.L.Burtt) Christenh. (syn. Saintpaulia grandifolia)
  • Streptocarpus ionanthus subsp. grotei (Engl.) Christenh. (syn. Saintpaulia amaniensis, Saintpaulia confusa, Saintpaulia difficilis, Saintpaulia grotei, Saintpaulia magungensis)
  • Streptocarpus ionanthus subsp. mafiensis (I.Darbysh. & Pócs) Christenh.
  • Streptocarpus ionanthus subsp. occidentalis (B.L.Burtt) Christenh.
  • Streptocarpus ionanthus subsp. orbicularis (B.L.Burtt) Christenh. (syn. Saintpaulia orbicularis)
  • Streptocarpus ionanthus subsp. pendulus (B.L.Burtt) Christenh. (syn. Saintpaulia intermedia, Saintpaulia pendula)
  • Streptocarpus ionanthus subsp. rupicola (B.L.Burtt) Christenh. (syn. Saintpaulia rupicola)
  • Streptocarpus ionanthus subsp. velutinus (B.L.Burtt) Christenh. (syn. Saintpaulia velutina)
S. ionanthus subsp. velutinus at the Copenhagen Botanical Garden

References
  1. "Streptocarpus ionanthus (H.Wendl.) Christenh.", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2020-03-12


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