e-Key v3 - *Hymenolobus
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Brassicaceae - Lepidieae - *Hymenolobus Nutt.

Description :

  • Small, annual herbs, with simple hairs
  • Leaves pinnatifid, upper ones entire
  • Inflorescences many-flowered, ebracteate racemes
  • Sepals spreading, not saccate
  • Petals spatulate, clawed, white
  • Stamens 4 or 6; filaments simple
  • Nectaries 4, small
  • Fruit an angustiseptate silicula, ellipsoid to oblong-ovoid
  • Seeds 3-10 per locule, ovoid, small; cotyledons incumbent
  • x = 6

Nomenclature:

  • *Hymenolobus Nutt.
    • Nuttall: 117 (1838)
    • Schulz: 457 (1936)
    • Heywood: 317 (1964)
    • Marais: 98 (1970)

Distribution & Notes:

  • Global : Species 5, Europe, Mediterranean region, central Asia, Australia, North America, Chile
  • Southern Africa : Species 1: * Hymenolobus procumbens (L.) Nutt. ex Schinz & Thell., introduced and recorded as rare escape in Western Cape

References:

  • HEYWOOD, V.H. 1964. Cruciferae . Hymenolobus , Diplotaxis and Brassica . Flora europaea 1
  • MARAIS, W. 1970. Cruciferae . Flora of southern Africa 13
  • NUTTALL, T. 1838. Cruciferae . In J. Torrey & A. Gray, A flora of North America 1. Wiley & Putnam, New York
  • SCHULZ, O.E. 1936. Cruciferae . Die natürlichen Pflanzenfamilien II,17b