AMARYLLIDACEAE

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1980, Flora Europaea. Volume 5. Alismataceae to Orchidaceae (Monocotyledones), Cambridge: Cambridge University Press : 75

CLXXXV. AMARYLLIDACEAE 2

Glabrous, bulbous, scapose (rarely more or less acaulescent), perennial herbs. Leaves all basal, linear to lorate or oblanceolate, often distichous. Flowers in an umbel (sometimes reduced to a single flower), subtended by a spathe of 1 or more usually scarious valves. Flowers hermaphrodite, regular or slightly zygomorphic. Perianth of 6 petaloid segments, arising from the apex of the ovary, or from a hypanthial tube. Corona sometimes present. Stamens 6. Ovary inferior, 3-locular; stigma capitate or shortly 3-lobed. Fruit a loculicidal or irregularly dehiscent capsule, sometimes with fleshy pericarp and transitional to a berry.

Literature: J. G. Baker, Handbook of the Amaryllideae. London. 1888.

1 Corona present, in the form of a tube or collar

2 Lower part of stamens adnate to corona, the upper part widely exserted from it 7. Pancratium

2 Stamens free from corona, and usually included in it or in hypanthial tube 6. Narcissus

1 Corona absent, or represented by inconspicuous scales

3 Flowers yellow

4 Hypanthial tube at least 5 mm; leaves at least 5 mm wide 2. Stembergia

4 Hypanthial tube c. 2 mm; leaves c. 1 mm wide 6. Narcissus

3 Flowerswhiteorpink 5 Flowersstellate,erect 5. Lapiedra 5 Flowerscampanulate,noddingor inclined 6 Perianth-segments 50- 80 mm 1. Amaryllis 6 Perianth-segments not more than 25 mm 7 Perianth-segments all alike 3. Leucojum 7 Outer perianth-segments ± acute, the inner much shorter and emarginate 4. Galanthus