e-Key v3 - Key to Senecioneae Genera
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.
  • Key to the genera of the tribe Senecioneae compiled from descriptions in Bremer (1994) and key by Jeffrey: 874 (1986)
Backtrack a
  • Aquatic herbs
002
b
  • Plants not aquatic
002
Backtrack a
  • Capitula radiate
  • Style undivided
  • Pappus of coarse, rigid, scabrid bristles
Cadiscus
b
  • Capitula discoid
  • Style divided
  • Pappus of fine bristles
Emilia
Backtrack a
  • Pappus 0 in all florets
002
b
  • Pappus present, at least in ray florets
002
Backtrack a
  • Annual herbs
Steirodiscus
b
  • Perennial herbs, shrubs or shrublets
Euryops
Backtrack a
  • Involucre calyculate
002
b
  • Involucre ecalyculate
002
Backtrack a
  • Anther bases with sterile tailed auricles (caudate)
002
b
  • Anther bases ecaudate
002
Backtrack a
  • Petiole auriculate, capitula discoid
Delairea
b
  • Petioles basally thickened and climbing, exauriculate
  • Capitula disciform
Mikaniopsis
Backtrack a
  • Ovary wall crystals simple, plate-like or needle-like or 0
002
b
  • Ovary wall crystals compound, drusiform
002
Backtrack a
  • Outer (ray) cypselas dorsiventrally compressed
Cineraria
b
  • Outer (ray) cypselas not compressed, or radiate florets 0
002
Backtrack a
  • Style branch apices not appendaged, truncate or rounded
Senecio
b
  • Style branch apices with very short to elongated appendage of fused papillae
Crassocephalum
Backtrack a
  • Subsucculent
  • Style branches truncate, sometimes with central tuft of fused papillae
Solanecio
b
  • Succulent
  • Style branches with conical to somewhat elongated appendages
Kleinia
Backtrack a
  • Capitula radiate with epidermis of ray lamina papillose
  • Anther bases caudate
Phaneroglossa
b
  • Capitula discoid, disciform or if radiate, epidermis of ray lamina different
  • Anther bases ecaudate
002
Backtrack a
  • Capitula discoid
002
b
  • Capitula radiate or disciform
002
Backtrack a
  • Style branches with continuous stigmatic areas
Lamprocephalus
b
  • Style branches with separate stigmatic areas
002
Backtrack a
  • Style branches linear-obtuse with long, filiform, papillose appendages
Lopholaena
b
  • Style branches linear, truncate to obtuse with smaller appendages or appendages 0
002
Backtrack a
  • Style branches with small appendages
002
b
  • Style branches without appendages
002
Backtrack a
  • Annual or perennial herbs
  • Involucral bracts free
  • Florets orange, red, pink, purple, violet or white
Emilia
b
  • Perennial herbs, subshrubs or shrubs
  • Involucral bracts basally connate
  • Florets yellow or whitish
Othonna
Backtrack a
  • Florets orange, red, pink, purple, violet or white
Emilia
b
  • Florets yellow
Euryops
Backtrack a
  • Capitula disciform
002
b
  • Capitula radiate
002
Backtrack a
  • Annual herbs
  • Disc florets bisexual
  • Cypselas compressed
  • Pappus 0 in marginal florets
Stilpnogyne
b
  • Perennial herbs, shrublets or shrubs
  • Disc florets functionally male
  • Cypselas ellipsoid to oblong
  • Pappus present
002
Backtrack a
  • Style of central florets undivided
Othonna
b
  • Style of central florets divided, with oblong-linear, obtuse or truncate branches
Hertia
Backtrack a
  • Endothecial tissue of anthers polarised
Alciope
b
  • Endothecial tissue radial
002
Backtrack a
  • Annual herbs
002
b
  • Perennial herbs, shrublets or shrubs
002
Backtrack a
  • Leaves alternate, scattered along stem
Oligothrix
b
  • Leaves rosulate
002
Backtrack a
  • Capitula small, corymbosely arranged on long scapes
Gymnodiscus
b
  • Capitula large, solitary on long scapes
Euryops
Backtrack a
  • Disc florets bisexual, rarely functionally male
  • Style bifid, sometimes undivided
Euryops
b
  • Disc florets functionally male
002
Backtrack a
  • Style undivided
Othonna
b
  • Style divided
Hertia

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