e-Key v3 - Strumaria
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Amaryllidaceae - Strumaria Jacq.

Description :

  • Deciduous bulbous herbs
  • Bulb 10-50 mm in diameter; outer tunics parchment- to felt-like, if torn producing extensible fibres
  • Leaves 2-6, usually present after flowering, distichous, sometimes spreading laterally into a fan, filiform to lorate or elliptic, erect or appressed to the ground, glabrous or pubescent
  • Inflorescence up to 30-flowered, in a compact or hemispherical head, 15-100 mm in diameter; scape flexuose or stiff, rarely spirally twisted, solid, 30-480 mm long, glabrous to shortly pubescent, persisting or abscissing at ground level in fruit; spathe valves 2, narrowly lanceolate, membranous
  • Flowers regular, clustered and pendulous or widely spreading, varying from funnel-shaped to stellate, white to pink or rarely lemon-yellow; pedicels as long or distinctly longer than perigone, stiff or lax
  • Tepals free to base, plane or rarely crisped
  • Stamens erect to spreading, adnate to style at base only or up to the proximal third, sometimes adnate proximally to tepals, equal; filaments separate from each other or fused into a tube for up to half their length, usually thickened at base, sometimes toothed; anthers dorsifixed to subcentrifixed; pollen bisulculate with spinulose exine
  • Ovary subglobose, glabrous or rarely minutely pubescent; ovules up to 9 per locule, unitegmic; style erect, either 3-winged or swollen, ranging from conoidal to discoid or ovoid at base, slender distally; stigma trifid
  • Capsule small, subglobose, loculicidal, papery
  • Seeds fleshy, ovoid, 2-4 mm in diameter, reddish green; testa stomatose; integument and embryo green
  • x = 10 (11)

Nomenclature:

  • Strumaria Jacq.
    • Jacquin: 49 (1797)
    • Willdenow: 31 (1799)
    • Herbert: 287 (1837)
    • Bentham & Hooker: 728 (1883)
    • Baker: 215 (1896)
    • Sölch & Roessler: 13 (1969)
    • Müller-Doblies: 22 (1985)
    • Snijman: 82 (1994)
  • Pugionella Salisb.
    • Salisbury: 128 (1866).
  • Hymenetron Salisb.
    • SAlisbury: 128 (1866).
  • Stylago Salisb.
    • Salisbury: 127 (1866).
  • Gemmaria Salisb.
    • Salisbury: 127 (1866)
    • Müller-Doblies: 29 (1985).
  • Bokkeveldia D. & U.Müll.-Doblies
    • Müller-Doblies: 27 (1985).
  • Tedingea D. & U.Müll.-Doblies
    • Müller-Doblies: 45 (1985)

Distribution & Notes:

  • Southern Africa : Species ± 23, endemic, most diverse in the winter-rainfall region in Namibia, Northern Cape and Western Cape, with 2 species in semi-arid regions of the S Free State and Eastern Cape

References:

  • BAKER, J.G. 1896. Amaryllideae . Flora capensis 6
  • BENTHAM, G. & HOOKER, J.D. 1883. Genera plantarum , Vol. 3. Reeve, London
  • HERBERT, W. 1837. Amaryllidaceae . James Ridgway & Sons, London
  • JACQUIN, N.J. 1797 ('1796'). Collecteana , Vol. 5. Wappler, Vienna
  • MÜLLER-DOBLIES, D. & U. 1985. De Liliifloris notulae 2. De taxonomia subtribus Strumariinae ( Amaryllidaceae ). Botanische Jahrbücher 107
  • SALISBURY, R.A. 1866. The genera of plants . John van Voorst, London
  • SNIJMAN, D.A. 1994. Systematics of Hessea , Strumaria and Carpolyza ( Amaryllideae : Amaryllidaceae ). Contributions from the Bolus Herbarium , Vol. 16
  • SÖLCH, A. & ROESSLER, H. 1969. Amaryllidaceae . Prodromus einer Flora von Südwestafrika 150
  • WILLDENOW, C.L. 1799. Species plantarum , Vol. 2, Part 1. G.C. Nauk, Berlin