Verbena L.

Plants erect not rooting at nodes Verbena

Leaves shortly petiolate entire to deeply divided. Spikes dense at flowering but often elongating in fruit

Corolla limb 2–5 mm diam.; the tube up to c. 4 mm long. Calyx c. 3 mm long

Leaves deeply pinnately lobed to pinnatifid, up to 7 cm long; upper ones often entire. Spikes elongating in the fruiting stage; the peduncles often becoming leafy just below the spike. Glandular pubescent also with some simple hairs. Corolla lilac, pink, to deep blue. Erect, annual herb up to 1 m high.

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Lower and mid stem leaves deeply divided or incised. Floral bracts usually as long as calyx. Widespread. Fl. spring–summer Verbena officinalisgaudichaudii

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Lower and often mid stem leaves coarsely toothed or incised not deeply divided. Floral bracts about half the length of the calyx. Weed of cultivation and waste places. Introd. from the Mediterranean. Fl. spring–summer. Common Verbena Verbena officinalishalei