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Centipeda minima (L.) A.Braun & Asch.

Spreading sneezeweed (en), Centipède (fr)

Species

Angiosperms > Asterales > Asteraceae > Centipeda

Characteristics

Prostrate to suberect annual or facultative perennial, to c. 20 cm high, occasionally rooting from lower nodes, ±glabrous to cottony. Leaves obtrullate to spathulate, 3–12 (–27) mm long, 1.5–6 (–11) mm wide, variably serrate to shallowly incised. Inflorescence a solitary sessile or subsessile capitulum, (peduncles to c. 1 mm long), appearing axillary or leaf-opposed. Capitula hemispherical to subglobular, 1.5–5 mm diam.; involucral bracts obovate, 1–1.6 mm long; receptacle ±hemispherical. Female floret corolla 0.1–0.25 mm long. Bisexual floret corolla 0.3–0.4 mm long. Fruiting capitula disintegrating; bracts spreading to deflexed. Achenes narrowly cuneate (l:w ratio c. 2.5–4), 0.6–1.5 mm long, truncate or obtusely rimmed and very slightly impressed at apex, 4–6 (–8)-ribbed, with intervening faces membranous; ribs with short ascending bristles; pericarp pithy in distal 1/4.
More
Procumbent, slender, aromatic, glabrous or sparsely hairy annual. Stems terete, much-branched from base and above, (3)-5-25 cm long. Lvs glandular, oblong, elliptic-oblong to spathulate, acute to obtuse, narrowed to base but petiole usually indistinct, sometimes slightly amplexicaul, entire or with few coarse teeth, 3-15-(20) mm long. Capitula usually sessile, sometimes shortly pedunculate, usually solitary, rarely appearing paired, 2-4-(5) mm diam.; florets 30-numerous; ♀ florets in 2-4 rows. Achenes 0.8-1.4 mm long, with faces dark brown and pale brown ribs extending ± to apex.
A herb. It often lies along the ground. It grows each year from seed. The stems can be erect or spreading from a single taproot. The leaves are alternate and broadly oval with teeth towards the end. The flower heads occur singly in the axils of leaves. They are white. The fruit is a dry.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 0.5
Mature height (meter) 0.1
Root system tap-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Humid open locations; thinly grassed patches in savannah; banks of permanent waterholes; muddy banks of rivers; fallow rice-fields and waste land; at elevations from sea-level to 1,200 metres, sometimes to 2,400 metres.
More
It is a tropical and subtropical plant. It grows in wet places. It can be in shallow water and flowers as the water recedes. In Sichuan and Yunnan.
Waste ground and roadsides all over Japan. Usually in wet places in eastern Australia.
Light 4-9
Soil humidity 6-8
Soil texture 1-4
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 7-11

Usage

The leaves are mixed with other vegetables and cooked and eaten. The leaves can be stored for 3-4 days.
Uses material medicinal poison social use
Edible leaves
Therapeutic use Arthralgia (leaf), Common cold (leaf), Emetics (leaf), Expectorants (leaf), Flatulence (leaf), Headache (leaf), Low back pain (leaf), Nasal disease (leaf), Paralysis (leaf), Scabies (leaf), Toothache (leaf), Vitiligo (leaf), Anthelmintics (seed), Common cold (seed), Nasal disease (seed), Common cold (stem), Toothache (stem), Alexiteric (unspecified), Bite(Snake) (unspecified), Congestion (unspecified), Conjunctivitis (unspecified), Decoagulant (unspecified), Epilepsy (unspecified), Cold(Head) (unspecified), Malaria (unspecified), Ophthalmia (unspecified), Pertussis (unspecified), Pterygium (unspecified), Rhinitis (unspecified), Sinus (unspecified), Vermifuge (unspecified), Circulation (unspecified), Cold (unspecified), Epididymitis (unspecified), Hydrocoele (unspecified), Sinusitis (unspecified), Toothache (unspecified), Deafness (unspecified), Nose (unspecified), Opacity (unspecified), Piles (unspecified), Polyp (unspecified), Swelling (unspecified), Fever (unspecified), Medicine (unspecified), Analgesics (unspecified), Antiprotozoal agents (unspecified), Antipyretics (unspecified), Arthralgia (unspecified), Asthma (unspecified), Central nervous system depressants (unspecified), Common cold (unspecified), Diuretics (unspecified), Endophthalmitis (unspecified), Headache (unspecified), Hypersensitivity (unspecified), Hypothermia (unspecified), Low back pain (unspecified), Migraine disorders (unspecified), Paralysis (unspecified), Parasympatholytics (unspecified), Scabies (unspecified), Hydrocele (unspecified), Vitiligo (unspecified), Anti-infective agents, local (whole plant), Antitussive agents (whole plant), Asthma (whole plant), Common cold (whole plant), Expectorants (whole plant), Nasopharyngeal neoplasms (whole plant), Rhinitis (whole plant), Sinusitis (whole plant), Toothache (whole plant)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Centipeda minima unspecified picture

Distribution

Centipeda minima world distribution map, present in Australia, New Zealand, and United States of America

Conservation status

Centipeda minima threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:191968-1
WFO ID wfo-0000113861
COL ID S85X
BDTFX ID 7946
INPN ID 89878
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Cotula minuta Dichrocephala minima Centipeda minuta Centipeda minima Myriogyne minuta Artemisia sternutatoria Grangea minuta Artemisia stemutatoria Artemisia orbicularis Grangea minima Centipeda minuta Centipeda orbicularis Cotula minima Artemisia minima Centipeda orbicularis var. orbicularis Myriogyne minuta var. minuta Centipeda minima var. minima Centipeda orbicularis var. lanuginosa Centipeda minima var. lanuginosa Sphaeromorphaea russeliana var. glabrata Myriogyne minuta var. lanuginosa

Lower taxons

Centipeda minima subsp. minima Centipeda minima subsp. macrocephala
WorldFloraDB 2024