Helichrysum teretifolium (L.) D.Don

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Much-branched compact or straggling subshrub up to ±300 mm tall, branchlets thinly white-felted, closely leafy to summit. Leaves ±3-15 x 1-1.5 mm, not diminishing upwards, linear, rigid, spreading, margins revolute, tip uncinate, base shortly decurrent, upper surface soon glabrous, lower white-woolly. Heads heterogamous or very rarely homogamous, campanulate, ±5 x 5 mm, few to several in compact terminal corymbs. Involucral bracts in 6-8 series, graded, imbricate, inner slightly exceeding flowers, tips very obtuse, crisped, opaque creamy-white or outer sometimes rosy, minutely radiating. Receptacle with fimbrils exceeding ovaries. Flowers 17-60, (0-)2-14 female, 10-49 homogamous. Achenes ±1 mm long, glabrous or with myxogenic duplex hairs. Pappus bristles many, about equalling corolla, tips barbellate, bases cohering by patent cilia.
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Subshrub, up to ± 0.3 m high, branchlets thinly white-felted, closely leafy. Leaves ± 3-15 x 1.0-1.5 mm, linear, rigid, spreading, margins revolute, apex uncinate, upper surface soon glabrous, lower surface white-woolly. Capitula usually heterogamous, ± 5 x 5 mm, few-several in compact, terminal corymbs; involucral bracts in 6-8 series, graded, apex very obtuse, opaque, creamy white or outer sometimes rosy. Receptacle fimbrils exceeding ovaries. Flowers 17-60. Flowering time July-Nov. Pappus of many bristles, ± equalling corolla, apex barbellate. Cypselae ± 1 mm long, glabrous or hairy.
Straggling, thinly felted, closely leafy shrublet to 30 cm. Leaves stiffly spreading, linear, revolute, hooked, glabrescent above, white-woolly beneath. Flower heads disciform, sometimes discoid, in dense, terminal corymbs, campanulate, creamy white, ± 5 x 5 mm, bracts spreading above, florets 17-60, ovary glabrous or papillate-hairy.
Life form -
Growth form
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 0.5 - 1.0
Mature height (meter) 0.3
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-9
Soil humidity -
Soil texture 5-6
Soil acidity 4-8
Soil nutriment -
Hardiness (USDA) 10-11

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
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 teretifolium unspecified picture

Distribution

Helichrysum teretifolium world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:210152-1
WFO ID wfo-0000040115
COL ID 3K7CJ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Evax ericoides Gnaphalium pumilum Gnaphalium tephrodes Gnaphalium scoparium Helichrysum teretifolium Gnaphalium teretifolium Gnaphalium stoechas Gnaphalium umbellatum Gnaphalium ericoides Helichrysum teretifolium var. natalense Helichrysum teretifolium var. teretifolium