Helichrysum niveum Less.

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Dwarf twiggy ericoid shrublet, branches erect, spreading or prostrate, ±60-120(-300) mm long, branchlets white-woolly-felted, closely leafy. Leaves 2-5(-10) x 0.5-0.75 mm, scarcely diminishing upwards, spreading, later reflexed, linear, obtuse, half clasping, shortly decurrent, margins strongly revolute, both surfaces grey woolly-felted, glabrescent, or wholly glabrous. Heads homogamous, cylindric, 4-5 x 1 mm, in small glomerules clustered at the branch tips closely surrounded by leaves. Involucral bracts in ±6 series, outermost very short, webbed to the surrounding leaves, persistent, inner subequal, tips lanceolate, acute, milk-white or sometimes pink, slightly exceeding flowers, not radiating, soon caducous. Receptacle conical, honeycombed. Flowers (3-)5(-6). Achenes 0.75 mm, with myxogenic duplex hairs. Pappus bristles many, equalling corolla, scabrid, bases with minute patent cilia not cohering.
More
Twiggy, ericoid shrublet to 20 cm. Leaves small, spreading or reflexed, linear, glabrescent or woolly, margins strongly revolute. Flower heads discoid, in small terminal glomerules nested in leaves, cylindric, white sometimes pink, ± 4 x 1 mm, florets ± 5, ovary papillate-hairy.
Life form -
Growth form shrub
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
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Flower color
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture 5-6
Soil acidity -
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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 -
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Optimum temperature (C°) -
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Vigor -
Productivity -

Distribution

Helichrysum niveum world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:213092-1
WFO ID wfo-0000087283
COL ID 3GJZD
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum metalasioides Helichrysum niveum Gnaphalium niveum Gnaphalium parviflorum Gnaphalium cernuum