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Vitex agnus-castus [Lamiaceae]

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Scientific Name Vitex agnus-castus USDA PLANTS Symbol VIAG
Common Name Lilac Chastetree ITIS Taxonomic Serial No. 32221
Family Lamiaceae (Mint) SEINet
Reference
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Description Habitat: Drier, well-drained soils; sunny locations, limestone outcrops and dry creek beds; widely cultivated in southern and coastal US and throughout Central Texas.
Plant: Sprawling shrub growing from 10 to 20 feet tall and 2 to 8 feet wide.
Leaves: Aromatic, palmate-compound, grayish-green leaves on petioles 3 inches long; 5 to 9 lanceolate leaflets of unequal length, 1 to 4-1/2 inches long; smooth upper surface and small white hairs underneath.
Inflorescence: Dense, pyramid-shaped panicles of lilac or deep violet flowers 4 to 8 inches long at the ends of branches or from leaf axils; flowers bell-shaped, less than 1/2-inch across with protruding stamens.
Fruit: Forming from the top of the inflorence spike; round, green, turning brown, 1/8-inch diameter.
Reference: "Manual of the Vascular Plants of Texas" by Correll and Johnston, "Shinners & Mahler’s Flora of North Central Texas" by Diggs, Lipscomb and O’Kennon, Invasive Plant Atlas, et al.
BONAP Distribution Map

Texas Status:
Introduced
INVASIVE



© Tom Lebsack 2021