Helichrysum dunense Hilliard

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Perennial (?) herb, taproot woody, stems many from the crown, up to 600 mm long, loosely branched, more or less prostrate, thinly white or greyish-white woolly, closely leafy. Leaves mostly 6-10 x 2.5-4.5 mm, spathulate, apex rounded, base broad, half-clasping, both surfaces closely greyish-white woolly. Heads homogamous, cylindric-campanulate, ±4-5 x 3 mm, several clustered at the branch tips closely surrounded by leaves. Involucral bracts in 4 series, soon caducous, outer short, webbed with wool to surrounding leaves, others subequal, about equalling the flowers, not radiating, translucent, often tinged purple, tips abruptly acute, opaque, light golden-brown. Receptacle nearly smooth. Flowers ±9-12. Achenes 0.75 mm long, glabrous. Pappus bristles many, about equalling the corolla, scabrid, bases with obsolete patent cilia.
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Trailing, short-lived perennial with slender branches up to 600 mm long, from a woody caudex. Leaves spathulate, mostly 6-10 x 3-5 mm, grey-woolly. Flowerheads in dense, leafy clusters, discoid, cylindric-campanulate, ±4 mm long, bracts 4-seriate, acute, erect, inner caducous, translucent purplish, woolly below, florets ±10.
Trailing, white-woolly, short-lived perennial with slender branches to 60 cm long from a woody caudex. Leaves spathulate, grey-woolly. Flower heads discoid, several in dense, terminal clusters, enclosed by leaves, cylindric-campanulate, translucent purplish, ± 4 x 3 mm, bracts apiculate, florets ± 10, ovary glabrous.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
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) 9-11

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 -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Helichrysum dunense world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:928697-1
WFO ID wfo-0000027510
COL ID 3K6MJ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum dunense