e-Key <span id="jodit_selection_marker_1709293782211_5177141558735576" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Eriospe<span id="jodit_selection_marker_1709293782212_9066623266941078" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>rmum
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Eriospermaceae - Eriospermum Jacq. ex Willd.

Description:

  • Perennial herbs, small to medium-sized; with single to multiple globose or irregularly shaped, hypocotyledonary tuber, sometimes with a proliferation of rhizomes or stolons; internally white, yellow, pink or purplish red, with one or more apical or lateral to basal growing points, each protected by a neck of sheathing fibrous remains of leaf bases
  • Leaves 1-several, basally concentrated, synanthous or hysteranthous, erect or prostrate, glabrous or pubescent, with a distinct petiole-like base; lamina linear to lanceolate, ovate or orbicular, with complex appendages or enations sometimes produced from upper surface; also some scale-like, reduced basal leaves
  • Peduncle erect, straight or sometimes flexuose, unbranched, terete, naked
  • Inflorescence a simple raceme, few-many-flowered, cylindrical to corymbose, dense or lax, upper flowers sometimes sterile or aborted
  • Bracts minute, solitary, basal, subtending a single flower
  • Pedicels short or long, articulated at apex
  • Flowers bisexual, regular, small, diurnal; triangular in outline, rotate, campanulate or recurved, 6-14 mm in diameter
  • Tepals 3 + 3, free, dimorphic with outer spreading and inner erect, or all equal to subequal, connate at base only, uninerved, persistent, white, pink, yellow or green
  • Stamens 3 + 3, hypogynous, adnate to base of tepals; filaments filiform to broadly lanceolate; anthers peltate, dorsifixed, versatile, subglobose to oval, introrse
  • Ovary superior, sessile, 3-locular, each with 2-6 axile ovules; style 1, terete; stigma apical, small
  • Fruit a loculicidal, turbinate to ovoid capsule, emarginate, dehiscent, 3-valved, valves persistent
  • Seeds 6-12, oval to comma-shaped; testa fawn, densely covered with unicellular white hairs up to 8 mm long, turning brown with age
  • x = 7 (10, 12)

Nomenclature:

  • Eriospermum Jacq. ex Willd.
    • Willdenow: 110 (1799)
    • Jacquin: 235 (1794-95)
    • Jacquin: 72 (1795)
    • Kunth: 649 (1843)
    • Salisbury: 15 (1866)
    • Harvey: 402 (1868)
    • Bentham & Hooker: 786 (1883)
    • Baker: 262 (1876)
    • Baker: 369 (1896)
    • Baker: 470 (1898)
    • Krause: 293 (1930)
    • Duthie: 1 (1940)
    • Archibald: 93 (1960)
    • Sölch et al.: 43 (1970)
    • Perry: 18 (1994)

Distribution & Notes:

  • Global: Species 102, tropical and southern Africa
  • Southern Africa: Species ± 100, all countries and provinces, but mostly Western Cape

References:

  • ARCHIBALD, E.E.A. 1960. Some species of Eriospermum in the Eastern Cape Province. Journal of South African Botany 26
  • BAKER, J.G. 1876. Revision of genera and species of Anthericeae and Eriospermeae. Botanical Journal of the Linnean Society 15
  • BAKER, J.G. 1896. Liliaceae. Flora capensis 6
  • BAKER, J.G. 1898. Eriospermum. Flora of tropical Africa 7
  • BENTHAM, G. & HOOKER, J.D. 1883. Genera plantarum 3. L. Reeve & Co., London
  • DUTHIE, A.V. 1940. Contributions to our knowledge of the genus Eriospermum. Annals of the University of Stellenbosch 18
  • HARVEY, W.H. 1868. The genera of South African plants. Juta, Cape Town
  • JACQUIN, N.J. 1794-95. Icones plantarum rariorum 2. C.F. Wappler, Vienna
  • JACQUIN, N.J. 1795. Collectaneorum supplementum. C.F. Wappler, Vienna
  • KRAUSE, K. 1930. Liliaceae, Eriospermum. Die natürlichen Pflanzenfamilien 15a
  • KUNTH, C.S. 1843. Enumeratio plantarum 4. J.G. Cotta, Stuttgart & Tübingen
  • PERRY, P.L. 1994. A revision of the genus Eriospermum (Eriospermaceae). Contributions from the Bolus Herbarium 17
  • SALISBURY, R.A. 1866. The genera of plants. John van Voorst, London
  • SÖLCH, A., ROESSLER, H. & MERXMÜLLER, H. 1970. Liliaceae. Prodromus einer Flora von Südwestafrika 147
  • WILLDENOW, C.L. 1799. Species plantarum 2,1. G.C. Nauk, Berlin