e-Key <span id="jodit_selection_marker_1710510902467_7505775976183935" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Lin<span id="jodit_selection_marker_1710510902467_781699069599944" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>conia
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Bruniaceae - Linconia L.

Description:

  • Erect shrubs sprouting from an underground lignotuber, distal branching sparse and clustered at nodal zones on stem
  • Leaves linear to narrowly elliptic; petiole appressed to stem; dark stipules present, later lost; bud leaf colleter later a conical, acuminate apiculus shrivelling to a minute black spot
  • Flowers in spikelets, each flower terminal within an involucre of bracts on a vestigial to minute stipe subtended by a leaf-like bract, spikelets arranged along peduncles; stipes persisting up to most or all of a year; involucre of 4 bracts distal on stipe, opposite and decussate, closely appressed, broadly ovate; floral receptacle ribbed or wrinkled
  • Calyx forming a vestigial collar, slightly lobed
  • Corolla white; petals free, elliptic to narrowly ovate, stiffly erect with crests lying against ovary
  • Stamens free from corolla; filaments erect, with an adaxial basal ridge lying partly over top of ovary; anthers with a pale, apical, sterile lobe, thecae prominently divergent; pollen tricolporate
  • Nectary and flower scent either 0 or unknown
  • Ovary half- to nearly fully inferior; locules 2, lateral, each with a single ovule, wall between locules well developed; styles free, divergent, stigmas terminal
  • Fruit unknown

Nomenclature:

  • Linconia L.
    • Linnaeus: 216 (1771)
    • Sonder: 317 (1862)
    • Pillans: 130 (1947)

Distribution & Notes:

  • Southern Africa: Species 2, Western Cape, rare in mountains from Ceres to Kogelberg, to Swellendam, extending to Humansdorp (SW Eastern Cape)

References:

  • LINNAEUS, C. 1771. Mantissa plantarum altera. Laurentius Salvius, Stockholm
  • PILLANS, N.S. 1947. A revision of Bruniaceae. Journal of South African Botany 13
  • SONDER, O.W. 1862. Bruniaceae. Flora capensis 2