Helichrysum chrysargyrum Moeser

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Bushy perennial herb up to 400 mm high, old stems bare and woody below, otherwise leafy throughout, stems, leaves and base of each head enveloped in silvery, silky, skin-like indumentum. Leaves up to ±75(-90) x 5(-6) mm, narrowly lanceolate, apex long-acuminate, base slightly narrowed, half-clasping. Heads heterogamous, broadly campanulate, ±5 mm long, 8 mm across the fully radiating bracts, up to ±15 in rather congested terminal corymbose panicles. Involucral bracts in ±5 series, graded, closely imbricate, glossy, outer palest golden-brown or straw-coloured, inner about equalling the flowers, tips obtuse, lemon-yellow, radiating. Receptacle honeycombed. Flowers 38-75, 4-13 female, 30-62 homogamous. Achenes ±1 mm long, broadly cylindric, with myxogenic duplex hairs. Pappus bristles many, about equalling corolla, scabridulous, bases cohering lightly by patent cilia.
More
Perennial herb, up to 400 mm tall. Leaves 75(-90) x 5(-6) mm, narrowly lanceolate, apex long-acuminate, silvery, silky skin-like indumentum. Heads broadly campanulate in congested terminal corymbose panicles. Flowers with inner involucral bracts yellow, outer palest golden-brown or straw-coloured; February to May and August to September.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.4
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) 9-12

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 -

Distribution

Helichrysum chrysargyrum world distribution map, present in eSwatini and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:212566-1
WFO ID wfo-0000116711
COL ID 3K6HS
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum chrysargyrum