Helichrysum simillimum Dc.

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Perennial herb, rootstock slender, creeping, branching, stems slender, tufted, simple or branching mostly near the base, erect to ±400 mm, thinly grey woolly-felted, closely leafy. Leaves imbricate, up to ±17 x 5 mm, scarcely decreasing in size upwards, lanceolate or ovate-lanceolate, apex acuminate, base cordate-clasping, shortly decurrent, both surfaces grey woolly-felted. Heads heterogamous, oblong-campanulate, ±3-4 x 2-3 mm, many in compact corymbose panicles up to ±40 mm across terminating the branches. Involucral bracts in ±6 series, graded, closely imbricate, inner about equalling flowers, tips opaque, pale yellow or rarely whitish, crisped, more or less squarrose. Receptacle with fimbrils exceeding the ovaries. Flowers 15-27, 5-9 female, 10-18 homogamous. Achenes less than 0.5 mm long, glabrous. Pappus bristles many, equalling corolla, scabrid, bases cohering lightly by patent cilia.
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Perennial herb, creeping, stems slender, tufted, simple or branching mostly basally, erect, up to 0.4 m high, closely leafy. Leaves imbricate, up to ± 17 x 5 mm, lanceolate or ovate-lanceolate, base cordate-clasping, shortly decurrent. Capitula heterogamous, oblong-campanulate, ± 3-4 x 2-3 mm, many in compact, corymbose panicles up to ± 40 mm in diam.; involucral bracts in ± 6 series, graded, apex opaque, pale yellow or whitish. Receptacle fimbrils exceeding ovaries. Flowers 15-27. Flowering time Jan.-Apr. Pappus of many bristles. Cypselae < 0.5 mm long.
Closely leafy, grey-felted shrublet to 40 cm. Leaves ascending, imbricate, lanceolate, revolute, grey-felted. Flower heads disciform, crowded in terminal corymbs, oblong-campanulate, pale yellow or whitish, ± 3.5 x 2.5 mm, florets ± 15-25, ovary glabrous.
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 creeping-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 7-8
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 -

Distribution

Helichrysum simillimum world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:213334-1
WFO ID wfo-0000046568
COL ID 3K79T
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Gnaphalium simillimum Helichrysum simillimum