Helichrysum isolepis Bolus

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Much-branched, straggling perennial herb, stems branching at ground level, decumbent, rooting, then erect to ±300 mm, simple or subsimple, loosely white-woolly, closely leafy, more distantly so under the heads. Leaves ±10-25 x 3-5 mm, diminishing upwards, oblong-obovate to oblong, apex subacute or obtuse, mucronate, uppermost with a yellow scarious appendage, base narrowed, half-clasping, both surfaces coarsely glandular-pubescent, cobwebby initially, margins thickened, they and the midvein below white-woolly. Heads homogamous, campanulate, ±7 x 6-7 mm, several in a spherical cluster ±20 mm across at the branch tips. Involucral bracts in 5 series, subequal, loosely imbricate, bases webbed together with wool, oblong-elliptic, tips very obtuse, somewhat crisped, about equalling flowers, semiglossy, bright canary-yellow, radiating. Receptacle shortly honeycombed. Flowers ±24-35. Achenes 1.5 mm long, glabrous. Pappus bristles many, equalling corolla, tips barbellate, yellow, bases cohering by patent cilia.
More
Straggling, perennial herb. Stems branching at ground level, decumbent, rooting, then erect, up to 300 mm long, loosely white-woolly, closely leafy. Leaves 10-25 x 3-5 mm, oblong-obovate to oblong, upper leaves tipped with a yellow scarious appendage, base ± clasping, both surfaces coarsely glandular-pubescent, cobwebby at first, margins thickened, margins and midvein below white-woolly. Capitula homogamous, campanulate, 7 x 6-7 mm, several in a terminal, spherical cluster; involucral bracts in 5 series, bases webbed with wool, apex ± crisped, ± glossy, bright yellow. Flowers 24-35. Flowering time Dec., Jan. Cypselae 1.5 mm long, glabrous. Pappus of many bristles, apex barbellate, yellow.
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 -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

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 isolepis world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:212897-1
WFO ID wfo-0000033509
COL ID 3K6TV
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum isolepis