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Xerochrysum bracteatum (Vent.) Tzvelev

Immortelle à bractées (fr), Hélichryse à bractées (fr)

Species

Angiosperms > Asterales > Asteraceae > Xerochrysum

Characteristics

Herbs, annual or biennial. Stems 20-120 cm tall. Leaves lanceolate to linear, up to 12 cm, costa prominent, base gradually narrower, margin entire, apex acute. Capitula 2-5 cm in diam., solitary on strong, branching stems. Phyllaries imbricate, outer ones shorter, inner ones broadly lanceolate, apex acuminate, nitid, white, red, yellow, pink, or purple. Florets numerous, yellow. Achenes glabrous. Pappus of scabrid bristles. Fl. Jul-Sep. 2n = 28.
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Annuals or perennials, 20–90 cm (dwarf varieties mostly less than 30 cm); taprooted. Stems scabrellous and minutely glandular, sometimes lightly arachnoid as well. Leaf blades narrowly elliptic or oblong to oblong-lanceolate, 2–5(–10) cm, sometimes slightly fleshy, vestiture like stems. Heads 3–5 cm diam. (across open involucres). Phyllaries yellow (wild form) or white to pink, red, and purple (cultivars), 10–20 mm. 2. = 24, 26, 28.
A shrubby herb about 1 m tall. The flowers are small and white, yellow or red but are grouped into a cluster.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 0.1 - 0.5
Mature height (meter) 0.5 - 1.0
Root system tap-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a temperate plant.
Light 6-9
Soil humidity 2-6
Soil texture 5-6
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 7-11

Usage

Uses environmental use food invertebrate food material medicinal social use
Edible -
Therapeutic use Analgesics (flower), Anti-bacterial agents (flower), Anti-inflammatory agents (flower), Diuretics (flower), Cough (unspecified), Apnea (unspecified), Hypotension (unspecified), Parasympatholytics (unspecified), Anti-inflammatory agents (whole plant), Cardiovascular system (whole plant), Hemorrhage (whole plant)
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown from seed and also from cuttings.
Mode cuttings seedlings
Germination duration (days) 7 - 14
Germination temperacture (C°) 23
Germination luminosity light
Germination treatment -
Minimum temperature (C°) -18
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Xerochrysum bracteatum leaf picture by Myriam Landon (cc-by-sa)
Xerochrysum bracteatum leaf picture by Dieter Albrecht (cc-by-sa)
Xerochrysum bracteatum leaf picture by Dieter Albrecht (cc-by-sa)

Flower

Xerochrysum bracteatum flower picture by Jean COTTI (cc-by-sa)
Xerochrysum bracteatum flower picture by Arne Haber (cc-by-sa)
Xerochrysum bracteatum flower picture by T G (cc-by-sa)

Distribution

Xerochrysum bracteatum world distribution map, present in Australia, Austria, Bangladesh, Belarus, Bolivia (Plurinational State of), Brazil, Bhutan, China, Cook Islands, Colombia, Costa Rica, Cuba, Germany, Spain, Ethiopia, France, United Kingdom of Great Britain and Northern Ireland, Guatemala, Honduras, Hungary, India, Italy, Lao People's Democratic Republic, Moldova (Republic of), Mexico, New Zealand, Panama, Peru, Philippines, Papua New Guinea, Poland, Puerto Rico, Korea (Democratic People's Republic of), Portugal, Romania, Russian Federation, El Salvador, Slovakia, Turkey, Taiwan, Province of China, Ukraine, United States of America, Viet Nam, and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:962307-1
WFO ID wfo-0000023054
COL ID 5CCKX
BDTFX ID 73087
INPN ID 130525
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum compositum Helichrysum lucidum Gnaphalium chrysanthum Helichrysum niveum Helichrysum chrysanthum Gnaphalium glabratum Gnaphalium macranthum Gnaphalium banksii Gnaphalium macrocephalum Helichrysum monstruosum Bracteantha bracteata Xeranthemum bracteatum Gnaphalium acuminatum Gnaphalium bicolor Helichrysum bracteatum Gnaphalium papillosum Helichrysum lucidum var. lucidum Xerochrysum bracteatum subsp. bracteatum Helichrysum acuminatum var. acuminatum Xerochrysum bracteatum
WorldFloraDB 2024