Helichrysum albirosulatum Killick

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Prostrate well-branched shrublet, main branches bare, up to 10 mm diam., with numerous erect leafy dwarf lateral branches, flowering branches up to 120 mm long, often decumbent then erect, silvery-white felted, closely leafy throughout. Leaves at first rosetted at the branch tips, up to 25 x 6 mm, spathulate, apex rounded or subacute, slightly recurved, base half-clasping, both surfaces enveloped in silvery white, slightly glossy, very closely felted indumentum, stem leaves similar but often smaller and narrower. Heads homogamous, subcylindric, ±4 x 2-3 mm, many felted together at the base in a congested, rounded, corymbose cluster 10-20 mm across. Involucral bracts in ±3 series, loosely imbricate, about equalling flowers, obtuse, not radiating, translucent, pale yellow washed golden-brown outside. Receptacle shortly honeycombed. Flowers ±8-26, yellow. Achenes 1 mm, with myxogenic duplex hairs. Pappus bristles ±6-10, tips plumose, shaft nude, bases not cohering.
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Prostrate shrublet, main branches bare, with many, erect, leafy, dwarf branches, flowering branches up to 120 mm long, decumbent then erect, silvery white-felted, closely leafy. Leaves at first rosetted terminally, up to 25 x 6 mm, apex rounded or subacute, ± recurved, base half-clasping, both surfaces with silvery white, ± glossy, closely felted indumentum; cauline leaves similar but smaller. Capitula subcylindric, ± 4 x 2-3 mm, rounded clusters 10-20 mm in diam.; involucral bracts in ± 3 series, obtuse, translucent, pale yellow, golden-brown outside. Flowers ± 8-26, yellow. Flowering time Jan.-Mar. Pappus of 6-10 bristles, shaft nude, bases not cohering. Cypselae 1 mm long, with myxogenic duplex hairs.
Life form -
Growth form shrub
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
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Mature height (meter) -
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture 5-8
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 -
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Optimum temperature (C°) -
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Productivity -

Distribution

Helichrysum albirosulatum world distribution map, present in Lesotho and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:212366-1
WFO ID wfo-0000077978
COL ID 3K6BQ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum albirosulatum