e-Key <span id="jodit_selection_marker_1711449634099_05999805644674239" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Neohen<span id="jodit_selection_marker_1711449634099_806578632363466" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>ricia
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Mesembryanthemaceae - Ruschioideae - Stomatium Group - Neohenricia L.Bolus

Description:

  • Freely branching, dwarf, prostrate perennials, forming mats less than 20 mm high, often rooting at nodes; mimicking its surroundings and difficult to find; adventitious roots thickened as storage organs
  • Leaves opposite, 4-6 pairs per branch, ± erect, somewhat connate at base, trigonous to club-shaped or terete, up to ± 10 mm long, apex broad, covered by bands of reddish green, orange or greyish green warts
  • Flowers solitary, ± 12 mm in diameter, on short, slender, curved pedicels, ± 20 mm long, without bracts; opening at twilight and closing before dawn; pleasantly scented like pineapple or liquorice
  • Sepals 5, subequal
  • Petals 2-seriate, yellowish, pinkish or greenish
  • Stamens glabrous, epapillate
  • Nectary an obscurely crenulate ring
  • Ovary somewhat convex on top; placentation basal to parietal; stigmas 4-6, slender, golden yellow
  • Fruit a 4-6-locular capsule, of Delosperma type with erect septa; expanding keels parallel, diverging slightly at tips; valve wings 0; covering membranes sometimes well developed, otherwise reduced to a limb; closing devices 0
  • Seeds pear-shaped, coarse-textured, attached to floor and walls of capsule
  • Flowering over a long period in summer
  • Distinguishing characters:
    • Minute perennials with strongly textured leaves
    • Pedicels long and slender
    • Flowers nocturnal, highly scented

Nomenclature:

  • Neohenricia L.Bolus
    • Bolus: 251 (1931)
    • Bolus: 51 (1938)
    • Herre: 230 (1971)
    • Hammer: 84 (1994)
    • Smith et al.: 166 (1998)
  • Henricia L.Bolus
    • Bolus: 39 (1936)

Distribution & Notes:

  • Southern Africa: Species 2, occurs in a belt stretching from Victoria West in the Northern Cape to Fauresmith in the Free State. The recently discovered species: Neohenricia spiculata S.A.Hammer, occurs in small isolated populations near Sterkstroom, in the Eastern Cape

References:

  • BOLUS, H.M.L. 1931. Mesembryanthemum (?) sibbettii. Notes on Mesembrianthemum and allied genera. 2. University of Cape Town, Cape Town
  • BOLUS, H.M.L. 1936. Henricia gen. nov. Notes on Mesembryanthemum and allied genera. 3. University of Cape Town, Cape Town
  • BOLUS, H.M.L. 1938. Neohenricia. Journal of South African Botany 4
  • HAMMER, S.A. 1994. A novel Neohenricia. Cactus and Succulent Journal (U.S.) 66
  • HERRE, H. 1971. The genera of the Mesembryanthemaceae. Tafelberg, Cape Town
  • SMITH, G.F., CHESSELET, P., VAN JAARSVELD, E.J., HARTMANN, H., HAMMER, S., VAN WYK, B-.E., BURGOYNE, P., KLAK, C. & KURZWEIL, H. 1998. Mesembs of the world. Briza, Pretoria