Helichrysum chionosphaerum Dc.

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Mat-forming perennial herb or subshrub, stock stout, woody, up to 10 mm diam., stems many, well-branched, branches up to 5 mm diam., prostrate, older parts rooting, young parts leafy, leaves more or less rosetted when branchlets very short. Leaves 10-100 x 1.5-3(-5) mm, linear or linear-lanceolate, upper surface sometimes greyish-white or white-felted, but usually only glandular-pubescent, lower surface sometimes silky-woolly or silky-felted, but usually at maturity wool confined to the margins and 3 parallel veins, margins slightly involute. Heads homogamous, campanulate, 7-12(-15) mm long, 12-25 mm across the fully radiating bracts, solitary or up to 4 clustered at the tips of erect leafy stems up to 150 mm tall. Involucral bracts in ±6 series, graded, loosely imbricate, about equalling flowers, glossy white, occasionally washed palest yellowish brown outside. Receptacle shortly honeycombed. Flowers 71-154, yellow. Achenes ±1.25 mm, barrel-shaped, with myxogenic duplex hairs. Pappus bristles many, equalling corolla, scabrid, bases cohering strongly by patent cilia.
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Perennial herb or subshrub; flowering stems up to 150 mm high; procumbent, mat-forming, leafy. Leaves sessile; blade linear or very narrowly obovate, 10-100 x 1.5-3.0(-5.0) mm, upper surface glandular-pubescent, sometimes white-felted, lower surface usually glabrous with wool confined to margins, margins slightly involute; 3-veined. Heads discoid, campanulate, 7-12(-15) x 12-25 mm, solitary or up to 4 clustered at tips of stems. Involucral bracts in ± 6 series, graded, loosely imbricate, ± equalling florets, glossy white, occasionally washed palest yellowish brown outside, radiating, stereome divided. Receptacle epaleate, shortly honeycombed. Flowers: disc florets only, 71-154; corolla narrowly campanulate above, yellow; Sep.-Mar. Fruit with cypsela (and ovary) hairy. Pappus of many barbellate bristles, bases cohering strongly by patent cilia.
Stems many, well-branched, prostrate, older parts rooting, young parts leafy. Leaves initially ± rosetted, 10-100 mm long, linear or linear-lanceolate, upper surface usually glandular-pubescent, lower surface usually with wool confined to margins and 3 parallel veins. Capitula campanulate, 7-15 mm long, 1-4 clustered at tips of erect, leafy stems up to 150 mm high; involucral bracts in ± 6 series, graded, glossy white or very pale yellow-brown outside. Flowers 71-154, yellow. Flowering time July-Dec. Pappus of many bristles. Cypselae ± 1.25 mm long, barrel-shaped.
Prostrate, mat-forming perennial herb or subshrub. Leaves 10-100 x l,5-3.0(-5.0) mm, linear or linear-lanceolate. Heads campanulate, 7-12(-15) mm long, solitary or up to 4 clustered at tips of stems. Flowers yellow; involucral bracts glossy white, occasionally washed palest yellowish brown outside.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.15
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity 1-6
Soil texture 7-8
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses medicinal
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 -

Images

Helichrysum chionosphaerum unspecified picture

Distribution

Helichrysum chionosphaerum world distribution map, present in Lesotho, eSwatini, South Africa, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:212562-1
WFO ID wfo-0000069078
COL ID 3K6HN
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum randii Helichrysum chionosphaerum Helichrysum pondoense Gnaphalium chionosphaerum