Helichrysum pannosum Dc.

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Perennial herb up to ±1 m high, stem from a creeping woody stock, crown brown silky-woolly, sparingly branched low down, slender, woody, brittle, often zigzag, thinly greyish white-woolly, leafy throughout. Leaves up to 100 x 20(-30) mm, smaller upwards, oblanceolate or oblong-elliptic, lanceolate upwards, apex more or less acute, base broad, cordate-clasping, both surfaces greyish-white woolly, often drying fulvous, sometimes glabrescent, wool then clinging to the three prominent nerves. Heads homogamous, narrowly campanulate, ±6 x 3 mm, many in tight corymbose clusters corymbosely arranged. Involucral bracts in ±6 series, graded, closely imbricate, woolly, inner acute, glossy, lemon-yellow, about equalling flowers, not radiating. Receptacle with fimbrils about equalling ovaries. Flowers 8-15. Achenes 1 mm, faintly ribbed, glabrous. Pappus bristles many, about equalling corolla, scabrid, bases cohering by patent cilia.
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Up to 1 m high, creeping woody stock, crown brown silky woolly, stem ± branched low down, often zigzag, greyish white-woolly. Leaves up to 100 x 30 mm, smaller upwards, oblanceolate to lanceolate, apex acute, base broad, cordate-clasping, both surfaces greyish white-woolly, sometimes glabrescent. Capitula narrowly campanulate, ± 6 x 3 mm, many in tight clusters corymbosely arranged; involucral bracts in ± 6 series, outer woolly, inner glossy, lemon-yellow. Flowers 8-15. Flowering time Apr.-June. Pappus of many bristles.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.0
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) 9-11

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 -

Images

Helichrysum pannosum unspecified picture

Distribution

Helichrysum pannosum world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:213147-1
WFO ID wfo-0000005010
COL ID 3K73X
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum pannosum Gnaphalium pannosum