e-Key <span id="jodit_selection_marker_1701776304321_18605943756280396" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Helio<span id="jodit_selection_marker_1701776304321_09945782266674619" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>phila
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Brassicaceae - Heliophileae - Heliophila L.

Description:

  • Annual or perennial herbs or shrubs, rarely scandent or climbing, glabrous or with simple hairs
  • Leaves narrow or broad, simple, entire or variously dentate or lobed or pinnately or sub-bipinnately partite; stipules 0 or 2, minute
  • Inflorescence usually racemose, sometimes flowers axillary or few together on short side branches, or intercalary; pedicels sometimes subtended by 2 minute bracts
  • Sepals caducous or subpersistent, outer 2 often cucullate, sometimes horned or thickened at apex, inner 2 saccate at base or not
  • Petals lanceolate to subcircular, generally clawed, with (0)1(2) appendages at base, or papillate, white, blue, lilac, mauve, purple or pink
  • Stamens 6; none, all, or only 2 short filaments with appendages or papillate at base
  • Nectaries 2, semicircular, horseshoe-shaped or biprismatic, outside lateral (short) filaments
  • Fruit a siliqua, dehiscent, short or long, linear to obovate-circular, with straight margins or deeply constricted between seeds, terete or dorsally compressed, latiseptate, sessile or stipitate; valves flat or bulged by seeds, 1-7-nerved, glabrous or hairy, smooth, papillate or somewhat warted; style short or long, slender or stout, much swollen in fruit
  • Seeds generally in 1 row, few to many, flattened, ovoid or globose, immarginate or winged, smooth or papillose; cotyledons twice transversely folded
  • x = 10

Nomenclature:

  • Heliophila L.
    • Linnaeus: 926 (1763)
    • Sonder: 35 (1860)
    • Schulz: 536 (1931)
    • Schreiber 48: 4 (1966)
    • Marais: 17 (1970)
  • Carponema (DC.) Eckl. & Zeyh.
    • Ecklon & Zeyher: 8 (1834-1835)
    • Sonder: 35 (1860)
    • Adamson: 418 (1950)
    • Phillips: 347 (1951)
    • Marais: 17 (1970)

Distribution & Notes:

  • Southern Africa: Species 75, endemic, mostly from winter-rainfall areas of Northern, Western and Eastern Cape, but a few widely distributed

References:

  • ADAMSON, R.S. 1950. Cruciferae Juss. In R.S. Adamson & T.M. Salter, Flora of the Cape Peninsula. Juta, Cape Town
  • ECKLON, C.F. & ZEYHER, K.L.P. 1834-1835. Enumeratio plantarum africae australis extratropicae. Perth & Besser, Hamburg
  • LINNAEUS, C. 1763 Species plantarum, edn 2. Laurentius Salvius, Stockholm
  • MARAIS, W. 1970. Cruciferae. Flora of southern Africa 13
  • PHILLIPS, E.P. 1951. The genera of South African flowering plants, edn 2. Memoirs of the Botanical Survey of South Africa No. 25
  • SCHREIBER, A. 1966. Brassicaceae. Prodromus einer Flora von Südwestafrika 48
  • SCHULZ, O.E. 1931. Heliophila. Botanisches Archiv 31
  • SONDER, O.W. 1860. Crucifereae. Flora capensis 1