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 blade is oval to ellipic in shape, apexis acuminate and bse cuneate ; the blade is smooth, shiny and covered with few hairs; both acanthospwrmum are gland-dotted. Base is slightly cordate. Title Habit Caption Acanthospermum australe spiny-bur ; habit.
Acanthospermum australe (Loefl.) Kuntze — The Plant List
It is controlled by shallow digging. US Fish and Wildlife Service, 10 pp. North American vascular flora.
Problem plants and alien weeds of South Africa. It has been introduced in Chinaand is an invasive species in parts of the United StatesCanadaand South Africa. They are also dispersed by water, particularly during floods, and as a contaminant of agricultural produce e. Morphotaxonomic approach of their foliar community.
Leaves rhombic-ovate to triangular, 1. Warm temperate climate with dry winter Warm average temp. Poa mannii Mann’s bluegrass. Centrospermum xanthioides Kunth Echinodium prostratum Poit.
Acanthospermum australe is a creeping annual or short-lived perennial plant, which originates from the tropics and sub-tropics of Central and South America. 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.
The basis for these uses has not been explained, but Carvalho et al. In the cogeneric A. To reuse an image, please click it to see who you will need to contact. Missouri Botanical Garden, Fruits Fruits are achenes, mm long and covered with numerous hooked spines, but apex is without 2 prominent spines. Extracts of Acanthospermum australe have in vitro antiviral activity against herpesvirus and poliovirus but clinical effects have not been studied.
Weeds of Australia – Biosecurity Queensland Edition Fact Sheet
These include soybean, Phaseolus beans, rice, cotton, groundnut, maize, cassava, okra and tomatoes, but there are no exact estimates of the losses caused. Revista Brasileira de Plantas Medicinais, 13 2: Acanthospermum australe austraoe be confused with Acanthospermum hispidum, but A.
Journal of Ethnopharmacology, 76 1: Acanthospermum xanthioides Kunth DC. The flower-heads quickly develop into five to ten spiny wedge-shaped ‘seeds’ i. Pacific Islands Ecosystems at Risk.
In other projects Acsnthospermum Commons Wikispecies. The flowers are few, small tubular and yellowish. Revista Brasileira de Plantas Medicinais, 15 4: Leaf blade glands the leaf blades have glandular translucent dots or scales Ovary glands there are glands on the ovary surface Sap the sap is clear and watery.
Distribution is generally localized in China and Australia, and austrxle sporadic in a number of countries in Africa. Starburr Acanthospermum hispidum is usually easily distinguished by its burrs and is therefore rarely confused with other species.