T.E.R:R.A.I.N - Taranaki Educational Resource: Research, Analysis and Information Network

Verbena officinalis (Vervain)

Kingdom: Plantae
(Unranked): Angiosperms
(Unranked): Eudicots
(Unranked): Asterids
Order: Lamiales
Family: Verbenaceae
Genus: Verbena
Species: V. officinalis
Binomial name: Verbena officinalis
Common name: Common Vervain or Common Verbena, Vervain.

Verbena officinalis is a short lived perennial herb native to Europe. It grows up to 80 cm high. It has diamond or lance shaped lobed leaves which are toothed. The upright spikes hold tiny (5 mm) mauve flowers during Nov-March. Its stems are erect and stiff and are square shaped well branched.
This plant prefers alkaline soils and can be found on road sides and waste places.

A thick mass of Verbena officinalis growing at 640 MASL  in the North Mavora Lakes.

The square stems of Verbena officinalis



Thanks to Wikipedia for text and information: https://creativecommons.org/licenses/by-sa/3.0/