e-Key <span id="jodit_selection_marker_1703063508119_6628952310401579" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Asparag<span id="jodit_selection_marker_1703063508120_09211476154228038" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>aceae
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

MONOCOTYLEDON - LILIIDAE - ASPARAGALES - Asparagaceae

Compiled by N.L. Meyer

Description:

  • Suffrutices or scramblers with perennial or annual stems from a compact woody base
  • Rhizome sympodial, often covered by persistent erect cataphylls; roots many, fibrous or often tuberous
  • Leaves much reduced, bract-like, with a spinous or soft spur
  • Cladodes (phylloclades) solitary or fascicled, persistent or deciduous, green, terete or angled to flat, linear to ovate, apex mucronate, in some species forming a basal disc
  • Spines usually present and in some species cauline or foliar in origin
  • Flowers bisexual, regular, hypogynous, inconspicuous, solitary, fascicled or racemose; peduncles or pedicels terete or grooved or reduced to a disc or none, articulated once or twice; bracts minute or larger and concave
  • Tepals 3 + 3, similar, free and spreading or fused basally
  • Stamens 3 + 3; filaments free, arising from base of tepals; anthers bilocular, versatile, introrse, dorsifixed
  • Ovary superior, 3-locular with 2-12 axile ovules per locule; style usually short; stigma capitate, 3-lobed or with 3 branches
  • Fruit usually a globose or ovoid berry, sometimes a nutlet, tepals often persisting below
  • Seeds 1-several, globose, black
  • x = 10

Nomenclature:

  • Asparagaceae
    • Jussieu: 40 (1789)
    • Dahlgren et al.: 141 (1985)
    • Obermeyer & Immelman: 11 (1992)

Distribution & Notes:

  • Global: Genus 1, species ± 120; Africa, Asia, Europe; introduced in Australia
  • Southern Africa: Genus 1, species 81

References:

  • DAHLGREN, R.M.T., CLIFFORD, H.T. & YEO, P.F. 1985. The families of the monocotyledons. Springer-Verlag, Berlin
  • JUSSIEU, A.L. DE. 1789. Genera plantarum secundum ordines naturales disposita. Herissant & Barrois. Paris
  • OBERMEYER, A.A. & IMMELMAN, K.L. 1992. Asparagaceae. Flora of southern Africa 5,3

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