Helichrysum hamulosum Dc.

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Well-branched ericoid shrublet up to 600 mm tall, old branches nude, rough with old leaf bases, branchlets white-tomentose, closely leafy. Leaves suberect, imbricate, 6-25 x 1 mm, linear, apex acute, mucronate, hooked, base broad, sessile, margins strongly revolute, upper surface glabrous or with a few woolly hairs, lower white-tomentose. Heads homogamous, cylindric, ±6-7 x 2 mm, many in dense terminal corymbose panicles. Involucral bracts in 5-6 series, graded, imbricate, a little shorter than the flowers, ovate-lanceolate, acute or subacute, straw-coloured, glossy, erect. Receptacle with fimbrils up to half as long as ovaries. Flowers 5-14. Achenes 1 mm long, with myxogenic duplex hairs. Pappus bristles many, nearly equalling corolla, scabrid, bases nude, not cohering.
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Well-branched, ericoid shrublet, up to 0.6 m high, young branchlets white-tomentose, closely leafy. Leaves suberect, imbricate, 6-25 x 1 mm, linear, apex acute, mucronate, hooked, base broad, sessile, margins strongly revolute. Capitula cylindric, many in dense, terminal, corymbose panicles; involucral bracts in 5 or 6 series, graded, ovate-lanceolate, ± acute, straw-coloured, glossy, erect. Receptacle with fimbrils ± half as long as ovaries. Flowers 5-14. Flowering time Dec.-Mar. Pappus of many bristles, ± equalling corolla, bases nude, not cohering. Cypselae 1 mm long.
Ericoid shrublet, up to 600 mm tall. Leaves imbricate, linear, mucronate-hooked, 6-25 x 1 mm, glabrous above, felted beneath, margins strongly revolute. Flowerheads in dense, rounded corymbs, discoid, cylindric, 6-7 mm long, bracts 5-or 6-seriate, straw-coloured, acute, florets 5-15.
Erect, closely leafy shrublet to 60 cm. Leaves imbricate, linear, hooked, glabrous above, felted beneath, margins strongly revolute. Flower heads discoid, many in rounded corymbs, cylindric, straw-coloured, ± 6 x 2 mm, florets 5-15, ovary papillate-hairy.
Life form -
Growth form shrub
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.6
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity 1-3
Soil texture 7-8
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 hamulosum world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:212837-1
WFO ID wfo-0000044743
COL ID 3K6RW
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum hamulosum