Helichrysum zwartbergense Bolus

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Grey-woolly herb, probably perennial, woody at the root, stems many from the crown, 40-150 mm long, prostrate, profusely branched, forming dense little mats, branchlets slender, white-woolly, closely leafy. Leaves 3-8(-15) x 1.5-5(-7) mm, spathulate, obovate or subrotund, tips rounded, base somewhat narrowed, half-clasping, both surfaces densely greyish-white woolly. Heads homogamous, or very rarely one flower female, cylindric, ±5 x 3 mm, solitary or several clustered at the tips of the branchlets, surrounded by leaves. Involucral bracts in 4 series, soon caducous, outer 2 series shorter, webbed with wool to 3-4 reduced surrounding leaves, inner series subequal, about equalling flowers, not radiating, all light golden-brown, sometimes red above the stereome, semi-pellucid, extreme tip opaque, straw-coloured, obtuse and then usually emarginate, or sometimes subacute to shortly acuminate. Receptacle nearly smooth. Flowers 15-44. Achehes 1 mm, glabrous or hairy and then myxogenic. Pappus bristles very many, in more than 1 series, equalling corolla, delicate, scabrid, bases cohering by patent cilia.
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Greyish white-woolly herb, perennial(?). Stems many from the crown, 40-150 mm long, prostrate, much branched, forming dense little mats, closely leafy. Leaves 3-15 x 1.5-7.0 mm, spathulate to subrotund. Capitula homogamous, cylindric, 5 x 3 mm, solitary or several clustered at tips of branchlets, surrounded by leaves; involucral bracts soon caducous, all light golden-brown, sometimes red above the stereome. Flowers 15-44. Flowering time Dec., Jan. Pappus of very many bristles, in more than 1 series, delicate. Cypselae 1 mm long, glabrous or hairy.
Like H. litorale but more densely branched and forming rounded cushions or mats.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
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 5-6
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 zwartbergense world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:213502-1
WFO ID wfo-0000127884
COL ID 3K7F6
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum zwartbergense