Inula hookeri C.B.Clarke

Hooker's inula (en)

Species

Angiosperms > Asterales > Asteraceae > Inula

Characteristics

Herbs, perennial, 60-150 cm tall. Stems loosely lanate at first. Leaves elliptic-lanceolate, 7-17 × 2.5-4 cm, pubescent and shortly glandular on surfaces but more sparsely so adaxially, base attenuate to petiole ca. 5 mm, margin minutely denticulate, apex acuminate. Capitula 6-10 cm in diam., solitary on top of stem or branchlet. Involucre hemispheric, 18-40 mm in diam.; phyllaries persistent and reflexed in fruiting, in 3 or 4+ series, to ca. 15 × 1 cm, brown villous. Receptacles flat, smooth or minutely alveolate, epaleate. Ray florets 20-30(-50+); corolla yellow, tube 5-7 mm, lamina linear, 18-45 × ca. 1 mm. Disk florets 40-100(-150); corolla yellow, 5-6.5 mm, 5-lobed. Achenes ellipsoid, ca. 1.5 mm, glabrous, with 12 sulci. Pappus white, subequal to disk corollas. Fl. Jul-Oct, fr. Oct. 2n = 20.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 0.5 - 1.0
Mature height (meter) 0.6 - 1.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-6
Soil humidity 3-7
Soil texture 3-4
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 6-9

Usage

Uses medicinal
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by divisions or seedlings.
Mode divisions seedlings
Germination duration (days) 14 - 42
Germination temperacture (C°) 12 - 18
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -23
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Inula hookeri unspecified picture

Distribution

Inula hookeri world distribution map, present in Bhutan, China, United Kingdom of Great Britain and Northern Ireland, India, Myanmar, and Nepal

Identifiers

LSID urn:lsid:ipni.org:names:225929-1
WFO ID wfo-0000069313
COL ID 3PT72
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Inula hookeri Helenium hookeri