Helichrysum griseolanatum Hilliard

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Well-branched subshrub forming mats up to 250 mm tall and 1 m across, old stems up to 8 mm diam., main branches becoming woody, bare, decumbent and rooting, ultimate branchlets greyish-white woolly, closely leafy at first, more distantly so at flowering. Leaves more or less imbricate, up to 15 x 6 mm, oblong, elliptic, or lanceolate-elliptic, apex obtuse or acute, base broad, half-clasping, margins revolute, both surfaces greyish-white woolly. Heads homogamous, cylindric, ±3.5 x 1 mm, very many felted together at the base in dense cymose clusters disposed in compact, flattish corymbs terminating the branches. Involucral bracts in ±4 series, graded, closely imbricate, about equalling flowers, pellucid, not radiating, canary-yellow. Receptacle smooth. Flowers 3-5, yellow. Achenes 0.75 mm, with duplex hairs. Pappus wanting.
More
Mat-former up to 0.25 m high, 1 m wide, old stems bare, decumbent, rooting, ultimate branchlets greyish-white, woolly, first closely leafy, fewer later. Leaves ± imbricate, up to 15 x 6 mm, oblong to lanceolate-elliptic, apex ± obtuse, base broad, ± clasping, margins revolute, both sides greyish-white, woolly. Capitula homogamous, cylindric, ± 3.5 x 1 mm, many felted together basally in dense cymose clusters, these in compact, ± flat, terminal corymbs; involucral bracts in ± 4 series, graded, closely imbricate, pellucid, yellow. Receptacle smooth. Flowers 3-5, yellow. Flowering time Dec.-Apr. Pappus absent. Cypselae 0.75 mm long.
Life form -
Growth form
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.25
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture 7-8
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-11

Usage

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

Cultivation

Mode -
Germination duration (days) 7 - 10
Germination temperacture (C°) 18 - 23
Germination luminosity light
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Helichrysum griseolanatum world distribution map, present in Lesotho and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:212830-1
WFO ID wfo-0000010991
COL ID 3K6RP
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum griseolanatum Helichrysum epapposum var. robustum Helichrysum inerme var. brachycladum