OK, from "Bulbs" by John E Bryan (Revised Edition, 2002) - with minor changes to remove abbreviations etc, hopefully no spelling mistakes from me in it as I'm typing.
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Z. grandiflora. FAIRY LILY. Mexico and Guatemala, in damp woodland and naturalized in many warm countries, including South Africa; introduced 1824. Stems to 12 inc., reddish at base. Leaves usually 3, narrow, strap-shaped, upright to 12 inches long and 1/4 inches wide. Pedicel 1 inch long, as is spathe. Flowers large, clear pink with white throat; perianthe segments to 3 inches long, 1 inch wide; style longer than stamens. Flowering late summer. Very pretty but requires frost-free conditions.
Z. rosea. Guatemala, Cuba and West Indies; instroduced 1823. Stems to 6 inches. Leaves narrow, straplike, produced with flowers, 8 inches long and to 1/4 inches wide. Flowers rose pink with greenish base, about 1 inch in diameter; style longer than stamens. Flowering late summer. Surprisingly hardy considering its origins; with the protection of a warm wall, it tolerates termperatures as low as 25'F.
