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dutch nature with Giant hogweed ,nature scene in sneek,friesland western europe the netherlands

Heracleum, or Sosnowski's borschivny - a dangerous allergic plant that grows in the summer. Poisonous inflorescence. A poisonous perennial plant.

The hogweed a huge plant with large white parasol-like flowers, a dangerous plant for humans that can suffer severe burns from it

Cow parsnip at Milgara Ridge Golden Gate National Recreation Area on a foggy spring day.

Harmful plant cow parsnip. The flower of cow parsnip. Large white inflorescences of cow parsnip close-up. Large flowers of cow parsnip at close range.

Close up of delicate white and pink valerian flowers

$Stout medium to tall, rather bristly biennial or short-lived perennial, to 2.5m; stem hollow, ridged. Leaves pinnate with often 5 broad, lobed and toothed segments, bristly; upper leaves with large inflated bases. Flowers white, rarely pink, 5-10mm, in large umbels up to 15cm across with 12-25 rays; petals of outer flowers very unequal; bracts few or absent. Fruit elliptical to rounded, 7-10mm, flattened and broadly winged.\nHabitat: Open woodland, banks and rough grassland.\nFlowering Season: April-September.\nDistribution: Throughout Europe, except the extreme north.\n\nGenerally the commonest umbellifer flowering during the (late) summer and quite variable.$

Flower of hogweed along roadside during flowering phase

Heracleum maximum, Cow Parsnip or Indian Celery, is the only member of the genus Heracleum native to North America. Huckleberry Botanic Regional Preserve, Oakland, California. Apriaceae.

Heracleum sosnovskyi inflorescence on blue sky background. Heracleum sphondylium contains the intense toxic allergen furanocoumarin.

Flowering Invasive Heracleum mantegazzianum the gaint hogweed

Close up of Hogweed leaves, Heracleum sphondylium. Green leaves of hogweed, weed.

The flower head of a Giant Hogweed plant (Heracleum mantegazzianum), the sap from which can cause serious skin burns when exposed to sunlight.

$Low to short hairy annual or biennial; hairs whitish or reddish. Lower leaves stalked, upper unstalked, the leaflets linear-oblong; stipules lanceolate, pointed. Flowers whitish or pinkish, 4mm long, numerous, in dense oblong or egg-shaped, stalked, silky-hairy heads, the petals much shorter than the calyx. Pod 1 seeded.\nHabitat: Dry grasslands, often on slightly acid soils, field borders, grassy heaths, road verges, woodland pathways, waste places, sometimes on sand dunes, at low attitudes.\nFlowering Season: June-September.\nDistribution: Throughout Europe, except the extreme North.\n\nThis is a common Species on the described Habitats in the Netherlands.$

Borago officinalis is favorite medicinal herb with edible flowers.

A plant whose roots are used as a sedative and to treat certain medical conditions. It is being studied as a way to improve sleep in cancer patients undergoing treatment. Also called garden valerian, Indian valerian, Pacific valerian, Mexican valerian, garden heliotrope, valerian, and Valerianae radix.

Beautiful nature. A field with green, lush grass, fluffy dandelions, flowers. Natural background

Close-up of a ground elder (Aegopodium podagraria) against a blurred green background. Ground elder is generally considered a nuisance weed

Astragalus bolanderi is a species of milkvetch called Bolander's milkvetch. McGee Creek Canyon, Mono County, Sierra Nevada Mountains, California.

Autumn grass and herbs in the afternoon light in autumn.

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