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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Amaryllidaceae - Boophone Herb.

Description:

  • Deciduous bulbous herbs
  • Bulb large, up to 250 mm in diameter, ± exposed above ground, covered by many old parchment-like tunics, producing extensible threads when torn
  • Leaves ± 20, developing after flowering, distichous, spreading into a single erect fan, narrowly lanceolate, glabrous, often glaucous; margins hyaline, often undulate
  • Inflorescence 50-100- or more-flowered, in a compact or globose head, 80-250 mm in diameter; scape compressed, solid, 50-300 mm long, withering back after infructescence detaches; spathe valves 2, broadly elliptical, membranous
  • Flowers regular, funnel-shaped, pale to deep pink, red or cream; pedicels spreading, ± equalling the perigone at anthesis, radiating and lengthening considerably in fruit
  • Tepals connate into a short, narrow, funnel-shaped tube; segments ± spreading, often recurved towards apex, narrowly lanceolate
  • Stamens arising in perigone throat, equal, ± spreading, longer than tepals; filaments filiform, free at base; anthers dorsifixed; pollen bisulculate with spinulose exine
  • Ovary trigonous; ovules 1 or 2 per locule, becoming ategmic; style erect, filiform; stigma ± entire
  • Fruit indehiscent, trigonous, papery, tapering basally, prominently 3-ribbed, walls breaking open irregularly
  • Seeds water-rich, subglobose, 8-11 mm in diameter, with a thin corky covering; endosperm green in outer layers; embryo green
  • x = 11

Nomenclature:

  • Boophone Herb.
    • Herbert: 18 (1821), given as Boophane
    • Baker: 242 (1896) in part, given as Buphane
    • Sölch & Roessler: 3 (1969), as Boophane
    • Milne-Redhead & Schweickerdt: 162 (1939), for accepted spelling
    • Leighton: 59 (1947)
    • Nordal: 21 (1982)
    • Müller-Doblies: 355 (1994)

Distribution & Notes:

  • Southern Africa: Species 2, widespread in all countries and provinces with 1 species ranging throughout sub-Saharan Africa

References:

  • BAKER, J.G. 1896. Amaryllideae. Flora capensis 6
  • HERBERT, W. 1821. An Appendix. James Ridgway, London
  • LEIGHTON, F.M. 1947. Boophone haemanthoides. Journal of South African Botany 13
  • MILNE-REDHEAD, E. & SCHWEICKERDT, H.G. 1939. A new conception of the genus Ammocharis Herb. Botanical Journal of the Linnean Society 52
  • MÜLLER-DOBLIES, D. & U. 1994. De Liliifloris notulae 5. Some new taxa and combinations in the Amaryllidaceae tribe Amaryllideae from arid southern Africa. Feddes Repertorium 105
  • NORDAL, I. 1982. Flora of tropical East Africa. Amaryllidaceae
  • SÖLCH, A. & ROESSLER, H. 1969. Amaryllidaceae. Prodromus einer Flora von Südwestafrika 150