e-Key v3 - Rabdosiella
SANBI Flora Keys Logo
Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Lamiaceae - Nepetoideae - Plectranthinae - Rabdosiella Codd

Description :

  • Soft shrubs branched above, or stems 1-several, arising annually from a woody rootstock, glandular-puberulous to densely tomentose
  • Leaves subsessile or shortly petiolate, ovate-lanceolate to broadly ovate, crenate-dentate
  • Inflorescences a terminal panicle; flowers in dense, somewhat scorpioid cymes
  • Calyx erect at fruiting stage; tubular, 10-nerved; teeth subequal, narrowly deltoid
  • Corolla white to cream, flushed with mauve on the lips; upper lip erect, lower lip spreading, shallowly boat-shaped
  • Stamens 4, declinate, arising at mouth of corolla tube; enclosed in lower corolla lip; filaments free
  • Stigma minutely bifid
  • Nutlets ovoid or oblong, smooth

Nomenclature:

  • Rabdosiella Codd
    • Codd: 9 (1984)
    • Codd: 175 (1985)
    • Ryding: 91 (1993)
  • Rabdosia in sense of Codd
    • Codd: 117 (1973)
    • Codd: 436 (1975)
    • Dyer: 532 (1975)

Distribution & Notes:

  • Southern Africa : Monotypic: Rabdosiella calycina (Benth.) Codd is widespread in the eastern parts in Northern Province, Mpumalanga, Swaziland, Free State, KwaZulu-Natal, Lesotho and Eastern Cape

References:

  • CODD, L.E. 1973. Labiatae . The genus Rabdosia in South Africa. Bothalia 11
  • CODD, L.E. 1975. Plectranthus ( Labiatae ) and allied genera in southern Africa. Bothalia 11
  • CODD, L.E. 1984. The genus Isodon (Schrad. ex Benth.) Spach in Africa and a new genus Rabdosiella Codd ( Lamiaceae ). Bothalia 15
  • CODD, L.E. 1985. Lamiaceae . Flora of southern Africa 28
  • DYER, R.A. 1975. The genera of southern African flowering plants , Vol. 1. Botanical Research Institute, Pretoria
  • RYDING, O. 1993. A reconsideration of the genus Rabdosiella ( Lamiaceae , Nepetoideae , Ocimeae ). Plant Systematics and Evolution 185