e-Key <span id="jodit_selection_marker_1707919253723_267212277782948" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Cro<span id="jodit_selection_marker_1707919253724_9910048724119347" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>ssyne
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Amaryllidaceae - Crossyne Salisb.

Description:

  • Deciduous bulbous herbs
  • Bulb 100-130 mm in diameter, with brittle, cartilaginous tunics, producing extensible threads when torn; neck transversally banded
  • Leaves (3)4-6, present after flowering, prostrate, biflabellate, broadly lorate; lower surface speckled with red; margin raised, fringed with stiff bristles
  • Inflorescence 30-220-flowered, in a globose head, 100-400 mm in diameter; scape strongly compressed, solid, 50-280 mm long, abscissing at ground level for seed dispersal; spathe valves 2, oblong, membranous
  • Flowers irregular, sometimes very weakly so, inconspicuous, blackish maroon, dusky pink or pale yellow; pedicels radiating, much longer than perigone, trigonous in cross section
  • Tepals connate basally into a short tube; segments narrowly oblong-lanceolate, reflexed
  • Stamens arising in perigone throat, declinate or spreading, ± equal; filaments filiform, swollen and connate into a short tube at base; anthers dorsifixed; pollen bisulculate with spinulose exine
  • Ovary ovoid; ovules 2-4 per locule, unitegmic; style declinate, filiform; stigma minutely trifid
  • Capsule ovoid, loculicidal, with conspicuous transverse veining
  • Seeds fleshy, ovoid, ± 5 mm in diameter, reddish green; testa stomatose; integument and embryo green
  • x = 11

Nomenclature:

  • Crossyne Salisb.
    • Salisbury: 116 (1866)
    • Müller-Doblies: 355 (1994)

Distribution & Notes:

  • Southern Africa: Species 2, endemic to the winter-rainfall region of South Africa, in the Northern and Western Cape

References:

  • 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
  • SALISBURY, R.A. 1866. The genera of plants. John van Voorst, London