e-Key <span id="jodit_selection_marker_1710752781067_4010970333990498" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Loncho<span id="jodit_selection_marker_1710752781067_30842064804627434" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>stoma
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Bruniaceae - Lonchostoma Wikstr.

Description:

  • Erect to slightly spreading shrubs, some with coppice shoots sprouting from lignotubers after fires; sparse branching mainly from nodal zones
  • Leaves narrowly elliptic to elliptic or obovate, sessile and generally glabrous, margins flat to strongly incurved; stipules 0; bud leaf colleter erect to distally curved, shrivelling to a minute black apiculus, or lost
  • Flowers in a racemose spike; bracts appressed, elliptic to obovate or clawed, channelled; bracteoles present; floral receptacle minute
  • Calyx tubular below; segments subulate to broadly ovate
  • Corolla white to pink or purple; petal bases connate with stamens to form a tube; free parts of petals obovate, or narrowly so, or elliptic, spreading, glabrous, lacking crests next to ovary
  • Stamens arising from top of corolla tube; anther thecae partly free; pollen grains with 5-10 colpi
  • Nectary 0; scent not recorded
  • Ovary fully superior to two-thirds inferior; locules 2, placed dorsiventrally to obliquely to bract stem plane, sometimes with an interlocular passage; placentas, when parietal, T-shaped, when axile then with 1 or 2 placental ridges in each locule, bearing 2-16 ovules; style distally branched
  • Fruit not recorded
  • x = 11 (1 report, polyploidy)

Nomenclature:

  • Lonchostoma Wikstr.
    • Wikström: 350, t. 10 (1818)
    • Sonder: 316 (1862)
    • Pillans: 133 (1947)

Distribution & Notes:

  • Southern Africa: Species 5, Western Cape, rare in mountains from Cederberg southwards

References:

  • PILLANS, N.S. 1947. A revision of Bruniaceae. Journal of South African Botany 13
  • SONDER, O.W. 1862. Bruniaceae. Flora capensis 2
  • WIKSTRÖM, J.E. 1818. Beskrifning af ... Lonchostoma. In Vetenskaps Akademiens Handlingar Stockholm 39