Facts About. Paraguay starburr is native to South America and introduced in many other parts of the world. It only occurs occasionally in Massachusetts. It can be. Acanthospermum australe (Loefl.) This name is the accepted name of a species in the genus Acanthospermum Acanthospermum xanthioides (Kunth) DC. Asteraceae – Acanthospermum australe (Loefl.) Kuntze. Family: Asteraceae. Species: Acanthospermum australe (Loefl.) Kuntze. Eppo_code: ACNAU. Family: .

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The flower-heads quickly develop into five to ten spiny wedge-shaped ‘seeds’ i. Title Flowers and leaves Caption Aacanthospermum australe spiny-bur ; flowers and leaves. National Germplasm Resources Laboratory.

Acanthospermum australe (spiny-bur)

Inflorescences are terminal and axillary. Revista Brasileira de Farmacognosia, 16 1: Nova Odessa, San Paulo, Brazil: It was also recently listed as a priority environmental weed in two of Australia’s Natural Resource Management regions. Broad leaf hertbicides are also applicable as a control method. Don’t need the entire report? Retrieved 12 January Distribution Table Top of page The distribution in this summary table is based on all the information available. Revista Brasileira de Plantas Medicinais, 13 2: The flowers are few, small tubular and yellowish.

It has been introduced in Chinaand is an invasive species in parts of the United StatesCanadaand South Africa.

Plantinvasivekruger – Asteraceae – Acanthospermum australe (Loefl.) Kuntze

Generate a print friendly version containing only the sections you need. A weed of pastures, crops, disturbed sites, roadsides and waste areas in the warmer i. Leaves are simpleoppositesupported by a short petiole. Journal of Medicinal Plants Research, 6 7: GBIF has single records from many African countries, perhaps suggesting some mis-identification.


Acanthospermum australe spiny-bur ; habit, with flowers. Heads mm in diameter, generally solitary, with white-cream-yellow ray florets and yellowish disc florets functionally staminate. It can be recognized by its prostrate habit, opposite leaves and five-parted, vaguely star-shaped fruit that adheres to clothing and fur with hooked barbs.

Title Habit Caption Acanthospermum australe spiny-bur ; habit, with flowers. Acanthospermum australe Paraguayan starburr[3] [4] Ihi kukae hipaParaguay burParaquay starburPipiliSheepburSpiny-bur is a South American species of herbaceous plants first described as a species in Habitat Anthropogenic man-made or disturbed habitats. This not only has a negative impact on the productivity of these pastures but also effects their biodiversity.

When several references are cited, they may give conflicting information on the status. Longevity of the plant is not normally more than one year.

Asteraceae – Acanthospermum australe (Loefl.) Kuntze

Sheldon Navie habit of old plants Photo: Vegetative propagation can occur from the prostrate stems Technigro, Sheldon Navie hairy branched stems and paired leaves Photo: Morphotaxonomic approach of their foliar community. Origine Native to South America. Acantjospermum Daninhas do Brasil. Facts About Paraguay starburr is native to South America and introduced in many other parts of the world. Graines de germination induites par fumee.


Movement Control Avoid transfer by grazing animals and in human clothing. These two species can be distinguished by the following differences:.

No other natural enemies are commonly reported. The blade is oval to ellipic in shape, apexis acuminate and bse cuneate ; acanthosppermum blade is smooth, shiny and covered with few hairs; both surfaces are gland-dotted.

As a member of the Heliantheae tribe AsteraceaeA. Endophytic fungi in medicinal plants of northeast of Argentina. Ecology It occurs on roadsides, in disturbed areas and dry river beds.

Economic Impact Top of page A. Massachusetts not applicable S-rank: The flower heads have tubular disk flowers in the center and ray flowers around. The branches are prostrate. It is controlled by shallow digging. Datasheet Acanthospermum australe spiny-bur. The species is native to: The Biota of North America Program.

It is also often very common in alluvial soils along waterways and on floodplains in rangelands and natural areas in these regions. Plantinvasivekruger – Asteraceae – Acanthospermum australe Loefl. Accidental introduction can occur via the import of pelts or wool of livestock. They are egg-shaped in outline i.