| a shrub or small tree, Vitex agnus-castus, of southern Europe, having aromatic, hairy leaves and long clusters of fragrant, pale lilac-blue flowers. |
| chaste tree n. Any of several shrubs or trees of the genus Vitex, especially two cultivated Old World species (V. agnus-castus and V. negundo), having aromatic, palmately compound leaves and clusters of usually lilac flowers. |
chaste tree
(Vitex agnus-castus), aromatic shrub growing to 5 metres (about 16 feet) tall, bearing spikes of rose-lavender flowers. It belongs in the verbena family (Verbenaceae), order Lamiales.
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