Jepson Flora Project: Jepson Interchange    

 
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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
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VERBENACEAE

VERVAIN FAMILY

Dieter H. Wilken

Annual to tree, generally hairy
Leaves cauline, opposite, generally toothed; stipules 0
Inflorescence: raceme, spike, or head, generally elongated in fruit; bract generally 1 per flower
Flower bisexual; calyx generally 4–5-toothed; corolla 4–5-lobed, radial to bilateral, salverform to 2-lipped; stamens 4–5, epipetalous (if 4, generally in unequal pairs); ovary superior, 2- or 4-lobed, generally 2-chambered, style 1, often with 2 unequal lobes, only 1 stigmatic, lateral
Fruit: 2 or 4 nutlets, drupe-like, or capsule
Genera in family: ± 90 genera, ± 1900 species: especially Am tropical. Some cultivated (Clerodendron , Lantana , Verbena , Vitex ); some weedy worldwide (Lantana ); some used for wood (Tectona , teak).

LANTANA

Perennial or shrub, strong-smelling
Stems prostrate to erect, branched
Leaf: blades oblong to ovate
Inflorescence: spike or head, not elongated in fruit; involucre bracts many, inner bracts 1 per flower
Flower: calyx ± cylindric, tip truncate to 4–5-toothed; corolla 4–5-lobed, ± salverform; stamens 4, in unequal pairs; ovary 2-chambered, ovule 1 per chamber, stigma lateral
Fruit: nutlets 2, ± spheric, drupe-like
Species in genus: ± 150 species: tropical, especially Am (few Asia, Africa)
Etymology: (Latin: ancient name for Viburnum , which this resembles)

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bioregional map for LANTANA being generated
 
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