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

Amaryllidaceae - Haemanthus L.

Description :

  • Deciduous or evergreen bulbous herbs
  • Bulb 45-100 mm in diameter with thick fleshy tunics, usually conspicuously 2-ranked, sometimes splitting to form clumps
  • Leaves 1-6, mostly 2, present after or during flowering, distichous, erect to prostrate, ligulate to elliptical, often barred with red or dark green, glabrous or pubescent, thick-textured
  • Inflorescence a many-flowered, compact or spreading head; scape fleshy, slender to stout, solid, up to 370 mm long, ± compressed, glabrous or pubescent, sometimes spotted with red, reclining in fruit; spathe valves 4-13, spreading and membranous or erect, fleshy and brightly coloured
  • Flowers regular, funnel-shaped, spreading and lax or erect and dense, pink, red or white; pedicels shorter or slightly longer than perigone
  • Tepals connate into a short cylindric or campanulate tube; segments connivent or spreading, longer than perigone tube
  • Stamens erect or spreading, ± equal, arising in perigone throat; filaments filiform, free at base, mostly longer than tepal segments or occasionally half as long; anthers dorsifixed, versatile
  • Ovary subglobose; ovules bitegmic, solitary or in a collateral pair in each locule
  • Style erect, filiform, as long as stamens; stigma minutely tricuspidate
  • Berry ovoid to globose, white, orange or pink when ripe, often translucent and aromatic
  • Seeds ovoid, fleshy, 5-10 mm in diameter, wine-red to green or opalescent; embryo green
  • x = 8, 9

Nomenclature:

  • Haemanthus L.
    • Linnaeus: 325 (1753)
    • Baker: 229 (1896) in part
    • Sölch & Roessler: 9 (1969)
    • Bjørnstad & Friis: 190 (1972) in part
    • Friis & Nordal: 63 (1976)
    • Snijman: 1 (1984)
  • Leucodesmis Raf.
    • Rafinesque: 19 (1838).
  • Perihema Raf.
    • Rafinesque: 20 (1838).
  • Serena Raf.
    • Rafinesque: 20 (1838).
  • Melicho Salisb.
    • Salisbury: 130 (1866).
  • Diacles Salisb.
    • Salisbury: 130 (1866)

Distribution & Notes:

  • Southern Africa : Species 22, endemic, in all countries and provinces except Botswana; most diverse in Namaqualand (Northern Cape) and the Western Cape

References:

  • BAKER, J.G. 1896. Amaryllideae . Flora capensis 6
  • BJØRNSTAD, I.N. & FRIIS, I. 1972. Studies on the genus Haemanthus ( Amaryllidaceae ) 1. The infrageneric taxonomy. Norwegian Journal of Botany 19
  • FRIIS, I. & NORDAL, I. 1976. Studies on the genus Haemanthus ( Amaryllidaceae ) 4. Division of the genus into Haemanthus s.str. and Scadoxus s. str. Norwegian Journal of Botany 23
  • LINNAEUS, C. 1753. Species plantarum . Laurentius Salvius, Stockholm
  • RAFINESQUE, C.S.1838 ('1836'). Flora telluriana , Vol. 4. Rafinesque, Philadelphia
  • SALISBURY, R.A. 1866. The genera of plants . John van Voorst, London
  • SNIJMAN, D.A. 1984. A revision of the genus Haemanthus ( Amaryllidaceae ). Journal of South African Botany , Suppl. Vol. 12
  • SÖLCH, A. & ROESSLER, H. 1969. Amaryllidaceae . Prodromus einer Flora von Südwestafrika 150