Henbit dead-nettle – Lamium amplexicaule

Lamium amplexicaule

Lamium amplexicaule

Lamium amplexicaule (henbit dead-nettle) is an annual, seed reproducing plant. It has a deep, pivoting root (it is not a typical, curved root). It loves healthy soils, that are rich in nutritious elements. It also loves soils that are well-aired, light and clayey-sandy.

Common names: henbit dead-nettle, common henbit, or greater henbit.

Description

The stem is vertical, 10-20-cm high. It has branches starting from its base and it has a square shape. The stem has small hairs on its upper part.

Lamium amplexicaule - plant

The cotyledons are pointy on the base, with tips that overlap.

Lamium amplexicaule - cotyledon

The real leaves are placed on an opposite position from one another. The shape of the real leaves is round-reniform. The inferior leaf pairs are far from one another and have long petioles. The superior leaves surround the stem. These are wrinkly, and grouped in a web-like formation. The margins of these leaves are deeply grooved.

The flower’s color can range from pink to carmine-red. The flowers are placed on the dense verticils located on the leaf’s axilla.

Lamium amplexicaule - flower

Lamium amplexicaule - flower 1

The germination period is usually during autumn, but I can happen during spring as well. This plant has a superficial germination.

The blossoming period is between March until October. The plant produces between 50 to 300 seeds.

How to fight this pest plant

The herbicides that are recommended when fighting the henbit dead-nettle are: Adengo, Buctril Universal, Cerlit, Dicopur Top, Equip.

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