Allium ursinum umbel of six to 20 white flowers only, lacking the bulbils produced by some other "Allium" species such as "Allium vineale" (crow garlic) and "Allium oleraceum" (field garlic). It flowers in the British Isles from April to June, starting before deciduous trees leaf in the spring. The flower stem is triangular in cross-section and the leaves are broadly lanceolate similar to those of the lily of the valley ("Convallaria majalis"). It is native to temperate regions of Europe, from Britain east to the Caucasus. It is common in much of the lowland British Isles with the exception of the far
Iris hookeriana membranous, spathes (leaves of the flower bud). They are long, and wider than the main leaves. They can remain on the plant after the bloom has died. The stems hold 2 terminal (top of stem) flowers, blooming in late spring, between April and May (in Europe), and between June and July. It has very short pedicels (flower stalks). They sometimes can bloom for only 2 days. The fragrant flowers, come in shades of purple or blue, or lilac. Occasionally, there is a white form. They have darker blotches. It has 2 pairs of petals, 3 large sepals (outer petals), known