The selected species belongs to the ....

Bulbs - shortened basal parts of stem with one or several thickened storage bracts or basal parts of leaves. The bulb growth is usually sympodially. Daughter bulb is formed inside the mother bulb; the daughter bulb is of the same size as the mother bulb

[other examples: Leucojum vernum, Ornithogalum nutans, Scilla bifolia].