Iva axillaris

A long-lived perennial herb usually about 20 to 30 cm high but can reach 40 cm. It reproduces from both roots and seeds. The top-growth dies off in autumn and re-shoots in spring.
Its leaves are aromatic (when crushed), hairy, grey-green, 10-30 mm long and grow directly from the main stem. Lower leaves are arranged opposite each other; upper leaves are smaller and alternately arranged.
The flower head is greenish yellow (5-7 mm across) nodding on a short stalk at the base of upper leaves and appears in summer.

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