The Encyclopedia of House Plants

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The Verbenaceae are herbs, shrubs, or trees comprising about 100 genera and 2,600 species that are further characterized by the common occurrence of quadrangular twigs and/or aromatic herbage. The leaves are nearly always opposite or whorled, mostly simple; stipules are lacking. The flowers are nearly always bisexual and zygomorphic. The calyx is synsepalous and most commonly 5-merous. The corolla is sympetalous, usually unequally 5-lobed, and sometimes strongly 2-lipped. The androecium most commonly consists of 4 didynamous stamens adnate to the corolla tube or perigynous zone, alternate with the lobes. The gynoecium consists of a single compound pistil of nearly always 2 carpels, a single terminal or subterminal style, and an unlobed or shallowly lobed ovary, usually with 4 locules (by false septation), each with a single axile ovule. A weakly developed annular nectary disk occurs around the base of the ovary in many species. The fruit is usually a drupe or nutlets.

Clerodendrum Clerodendrum

Lantana (Shrub verbena)Lantana
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