×
To buy, sell or swap plants and use our full service please log in or sign up – GreenPlantSwap is completely free!
Record your plants before you lose the plant labels! Just tick the ‘Garden’ box (below) on each plant. Learn more

Galeopsis tetrahit

Common hemp-nettle

Garden

Wishlist

  • Plant Placeholder

Features

  • BloomsJuly to September
  • Height0.1m to 1m
  • Growth HabitStalked clump
  • Flower ColourPurple, pink marked with purple

Description

Galeopsis tetrahit (Common hemp-nettle). This is an upright annual it is quite a common plant and can be found in woodland. This plant is often found in the wild in Northern Europe. STEM: Angled upwards, 4-angled, swollen below leaf-pairs ROOT: Fibrous HAIRS: Stiff, over most of plant. STIPULES: Absent LEAF-STALK: Shorter than blade. BRACTS: Leaf-like but most smaller. FLOWER STALK: Much shorter than flower. SEPALS: 5, joined into tube, teeth spine-tipped. PETALS: 5, bases form tube, upper 2 lobes joined, hood-like, lower 3 bent back, with 2 swellings. STAMENS: 4, under upper petal-lobes. STIGMA: 2 on long, forked style. OVARY: 1, deeply 4-lobed. SEEDS: 1 per segment, not released.

Characteristics

Annual, Herbaceous

Other common names

Hemp-nettle

Origin

Britain

Interest and use

Wildflower/meadow

Search or browse our Glossary of 3,000+ botanical and plant-related terms


Have something to say about this plant?
Click to write a post, ask a question or share a tip.


  • Plant Placeholder

Needs

  • SoilHeavy, Light, Medium

Search or browse our Glossary of 3,000+ botanical and plant-related terms


Have something to say about this plant?
Click to write a post, ask a question or share a tip.


Have something to say about this plant?
Click to write a post, ask a question or share a tip.


Other Galeopsis posts

To view Galeopsis plants offered near you, enter your postcode or log in.

Get started & find out why

Posts of the WeekPosts & Events

Open your garden for Thrive
Sunflower

“It’s not just gardening,
it makes us healthier and happier”

Production v5.9.2 (00577d2)