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Inula helenium

Tracheophyta ›Magnoliopsida›Asteraceae›Inula›Inula helenium

Ecology

A rather robust, conspicuous and persistent perennial herb, widely if sparsely established from garden outcasts on road- and lane-sides and by woodland margins, but seldom far from habitation. Lowland.

Status

Archaeophyte

Trends

I. helenium has been grown in gardens for its medicinal and ornamental value since at least 995 (Harvey, 1981). It is very persistent but it may be in gradual decline.

World Distribution

Native of W. & C. Asia; widely naturalised in temperate Europe and elsewhere.

© G. Toone, IWNHAS
Wellow
© G. Toone, IWNHAS
Wellow
© G. Toone, IWNHAS
Wellow
© G. Toone, IWNHAS
Wellow
© G. Toone, IWNHAS
Wellow
© G. Toone, IWNHAS

Broad Habitats

Light (Ellenberg): 6

Moisture (Ellenberg): 6

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 5

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 4

July Mean Temperature (Celsius): 15.1

Annual Precipitation (mm): 973

Height (cm): 150

Perennation - primary

Perennial

Life Form - primary

Hemicryptophyte

Woodiness

Herbaceous

Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 631

Count of 10km squares in Ireland: 100

Count of 10km squares in the Channel Isles: 3

Atlas Change Index: -0.8

JNCC Designations

NBNSYS0000004394