Helichrysum griseum Sond.

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Perennial herb, rootstock stout, woody, crown brown silky-woolly, flowering stems up to ±700 mm high, simple, one or several tufted together, woolly-felted, remotely leafy in lower part, remotely leafy or bracteate upwards. Leaves often only 3 or 4, ascending, up to 200 x 80 mm, broadly elliptic or ovate, apex more or less acute, base somewhat narrowed in lower leaves, broad, cordate-clasping in upper, upper surface thinly cobwebby at first, later harshly pubescent, lower greyish-white felted, faintly 5-9-nerved, reticulate. Heads homogamous, campanulate, ±6 x 5 mm, many in a congested or lax corymbose cyme. Involucral bracts in ±4 series, subequal, closely imbricate, base woolly, tips glossy, subopaque, bright deep or pale pink or buff, very acute to acuminate, squarrose. Receptacle with fimbrils longer than ovaries. Flowers 25-31. Achenes ±1 mm long, glabrous. Pappus bristles many, equalling corolla, scabrid, bases lightly fused.
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Rootstock stout, woody, crown brown-silky woolly, flowering stems up to ± 700 mm high, simple, 1-many, woolly felted, leafy in lower part, bracteate upwards. Leaves ± 4, ascending, up to 200 x 80 mm, broadly elliptic or ovate, apex acute, base narrowed in lower leaves, broad, cordate-clasping in upper leaves, upper surface thinly cobwebby to harshly pubescent, lower surface greyish white-felted, faintly 5-9-nerved, reticulate. Capitula campanulate, 6 x 5 mm, many in a congested or lax, corymbose cyme; involucral bracts in ± 4 series, base woolly, apex glossy, pink or buff-coloured, squarrose. Flowers 25-31. Flowering time Aug.-Oct. Pappus of many bristles, bases lightly fused.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.7
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) 9-11

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 griseum unspecified picture

Distribution

Helichrysum griseum world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:212831-1
WFO ID wfo-0000070304
COL ID 3K6RQ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum griseum Helichrysum agrostophilum