A. gangetica is a fast growing perennial plant which is included on various lists of invasive plants, including for Cuba, Puerto Rico and Hawaii. The binomial Asystasia gangetica covers a very complex, polymorphic aggregate , and it is possible that the West African material may be separable. The group. Excerpts from Langeland et al1 This plant forms weedy thickets along roadsides and is found in disturbed upland habitats in at least 11 conservation areas from.

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Sheldon Navie close-up of leaves Photo: These capsules mm long have two compartments i. Rio de Janeiro Botanic Garden.

Click on images to enlarge stems and leaves Photo: Sheldon Navie the whitish flowered form, which is sometimes known as Asystasia gangetica ‘Alba’ Photo: Idu M, Onyibe HI, If you have a large expanse that needs covering, try the magic of this African gangetiica. If you have any useful information about this plant, please leave a comment. Soil Tolerances Top of page Soil drainage asystasiia impeded seasonally waterlogged Soil texture heavy light medium.

Close up of the flowers and leaves Photograph by: Description Top of page Perennial herbs, erect, decumbent, or clambering; m in length.

Asystasia gangetica (chinese violet)

It is currently found mainly on coastal sandy soils in the warmer temperate regions of New South Wales. Leaves opposite, simple, ovate, to 3 inches long and 1.


Sheldon Navie mature fruit Photo: Asystasia coromandeliana Nees Justicia gangetica L. Its ability to reproduce by vegetative propagation can result in it smothering surrounding vegetation with its herbaceous layer. The white petals of the flowers and purple blue strip on the lower petal attract the insect, indicating to the honeybee where to find the nectar. Flora of Puerto Rico and adjacent islands: Close-up of the flowers Photograph by: Floristic inventory of South Florida database.

Flower production can begin as early as 40 days after germination, with seed development beginning after 57 days, facilitating the production of viable seed in as little as 72 days.

US Fish and Wildlife Service, a. Asystasia gangetica smothering rainforest understory. Contributions from the United States National Herbarium, pp. Click on asystasa to enlarge. New York Botanical Garden. Year ISBN Description An excellent little guide to some of the more commonly cultivated ornamental plants of the Tropics, often giving some information on the plants other uses.

More information about modern web browsers can be found at http: Polyploidy in invasive plant species of Singapore. Asystasia gangetica from KalepolepoMaui. List of vascular plants of Gabon.

Sheldon Navie close-up of old fruit that has already released its seeds Photo: Publisher Timber Press Inc. Journal of Ethnopharmacology, 89 1: Ismail S, Shukor A, Also naturalised overseas in south-eastern Asia i. When several references are cited, they gzngetica give conflicting information on the status. Herbicidal weed control methods for pastures and natural areas of Hawaii.


Center for Aquatic and Invasive Plants

Contributions from the United States National Herbarium, Asystasia means inconsistency and relates to the fact that the corolla is more or less regular, which is unusual in the family Acanthaceae.

Readable yet also very detailed. Seeds are dispersed from explosive capsules. Flowering Plants of Jamaica. Distribution Table Top of page The distribution in this summary table is based asyystasia all the information available.

Sheldon Navie close-up of flower from side-on Photo: Hawaii at Manoa, Honolulu, Hawaii. These restrictions may prevent the use of one or more of the methods referred to, depending on individual circumstances. Login to add your Comment Not registered yet? Last update on The effect of light, fertiliser and planting density on the growth and flowering of Asystasia gangetica subsp.

Tropical Plants Database, Ken Fern.