Helichrysum gariepinum Dc.

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Herbaceous, taproot woody stems several to many from the crown, 200-300 mm long, prostrate or decumbent, simple or branched, wiry, white cobwebby-woolly, often glabrescent, leafy. Leaves ±7-20 x 3-12 mm, scarcely diminishing upwards, thin, spathulate or obovate to elliptic, much narrowed to the base, subpetiolate, apex obtuse, apiculate, both surfaces white cobwebby-woolly, often glabrescent. Heads heterogamous, campanulate, mostly ±6-7 x 5-6 mm, ±10 mm across the radiating bracts, solitary or up to 8 clustered at the branch tips, shortly pedunculate, closely surrounded by leaves. Involucral bracts in ±3-5 series, surrounded by green lanceolate bracts webbed together with wool, sub-equal, loosely imbricate, exceeding the flowers, pellucid, silvery, tips radiating, subopaque, obtuse to acute, mostly white, outermost sometimes tinged pale golden-brown, inner sometimes rosy to crimson, fading to white. Receptacle nearly smooth. Flowers 40-99, (1-)3-8 female, 36-91 homogamous, yellow, tipped pink. Achenes 0.75 mm with myxogenic duplex hairs or sometimes glabrous. Pappus bristles many, equalling corolla, scabrid, bases cohering lightly by patent cilia. Flowers between May and October, mainly August and September.
More
Like H. herniarioides but flowerheads 6-7 mm long, heterogamous, with 40-100 florets.
Life form -
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 0.3
Root system tap-root
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) 9-12

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 -

Images

Helichrysum gariepinum unspecified picture

Distribution

Helichrysum gariepinum world distribution map, present in Namibia and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:212780-1
WFO ID wfo-0000064621
COL ID 6LHDY
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Gnaphalium gariepinum Helichrysum gariepinum