Helichrysum diffusum Dc.

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Wiry perennial herb, roots fibrous, stems slender, soft-wooded, decumbent or ascending, up to 500 mm long, simple below, sparingly branched above, greyish-white woolly, densely leafy. Leaves up to 40 x 25 mm, smaller and more distant upwards, oblong or elliptic, apex acute, mucronate, base broad, clasping, both surfaces greyish-white woolly. Heads homogamous, campanulate, ±5-7 mm long, double that across the radiating bracts, up to ±12 in a dense terminal corymbose cluster. Involucral bracts in ±9 series, loosely imbricate, much exceeding flowers, acute, glossy, white, mostly tipped dark brown or purplish brown outside, rarely whole bract dull purple. Receptacle smooth or shortly honeycombed. Flowers 26-64, yellow. Achenes ±1 mm, with duplex hairs. Pappus bristles many, scabrid, tips barbellate, white or purplish, bases cohering by patent cilia.
More
Like H. crispum but leaves oblong with broad, clasping base and flower heads somewhat larger, ± 5-7 x 10-14 mm.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system fibrous-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 diffusum world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:212669-1
WFO ID wfo-0000039853
COL ID 3K6LV
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum diffusum