Calliandra houstoniana var. calothyrsus (Meisn.) Barneby Anneslia confusa ( Sprague & Riley) Britton & Rose Calliandra similis Sprague & Riley Anneslia similis. BOTANIC DESCRIPTION. Calliandra calothyrsus is a small, thornless, often multistemmed shrub. Under optimum conditions it can attain a height of 12 m and a. Common Name: Red Calliandra. Calliandra calothyrsus. Often grown as a fuelwood crop and as an ornamental, it has escaped from cultivation and invaded .

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Calliandra flowers and leaves, Hawaii Photo: Calliandra wild seedlings in tree nursery, Uganda Photo: Locations within which Calliandra calothyrsus is naturalised include the Indonesian archipelago.

More recently it has been introduced to other areas of South-east Asia and is also under experimental evaluation in Africa, Australia, Brazil, Callandra and Hawaii Ella et al. Calliandra calothyrsus can very successfully colonise disturbed sites.

It can be outcompeted in later successional stages but may persist in areas of continual disturbance such as along roadsides or where shifting cultivation is practiced. It has the potential to invade woodland areas. Calliandra calothyrsus is shrub or a small tree m highwith a trunk diameter of up to 30 cm, with white to red brown bark and a dense canopy. Leaves are twice-compound bipinnate and alternate; the rachis main calothyrxus is cm long, without glands ; rachilla are cm long; there are pairs of leaflets ; leaflets are linearoblong and pointed acute x 1 mm.

Flowers are in umbelliform umbrella-like clusters outer whorl of sepals of cm length.

Calliandra (Calliandra calothyrsus) | Feedipedia

Flower sepals and petals are green, calyx 2 mm long, corolla mm long. The numerous red staminal filaments are cm long. Fruits are broadly linearflattened, cm x 1 cm linear oblong pods callkandra thickened and raised margins, finely hairy or hairless, brown dehiscent, 8 12 seeded.


Seeds are ellipsoidflattened, mm long and mottled dark brown. Pollination is achieved in the native range by hawkmoths and bats Calliandra calothyrsus can flower within one year of planting. In East Africa its pollinators have not calohtyrsus definitely identified but the flowers are visited by a range of nectar-seeking insects including wasps G.

Pods ripen over several months and seed dispersal is through apical dehiscence shattering of the pods. Pollination is achieved in the native range by hawkmoths and bats. Calliandra calothyrsus can flower within one year of planting. In East Africa its pollinators have not been definitely identified but the flowers are visited by calliansra range of nectar-seeking insects including wasps.

Calliandra calothyrsus Red Calliandra, Powderpuff, Kaliandra PFAF Plant Database

Calliandra calothyrsus is being used in a number of agroforestry applications throughout the tropics Baggio and Heuveldop It has been widely promoted as a fodder tree in Africa. It produces high quality fuelwood which can be harvested on an annual coppice rotation. It grows over a wide range of soil types and is often outstanding on infertile sites where it is used extensively for reclamation and improvement of the nitrogen status of soils.

It has been introduced to most countries in Africa as an ornamental plant. Calliandra calothyrsus can naturalise notably in riverine areas and damper woodlands. Many farmers in Cameroon are abandoning its use because of the time it takes to clear from their land Hauser et al It can negatively impact upon biodiversity by displacing native species. The precise management measures adopted for any plant invasion will depend upon factors such as the terrain, the cost and availability of labour, the severity of the infestation and the presence of other invasive species.


Some components of an integrated management approach are introduced below. The best form of invasive species management is prevention.

If prevention is no longer possible, it is best to treat the weed infestations when they are small to prevent them from establishing early detection and rapid response. Controlling the weed before it seeds will reduce future problems. Control is generally best applied caloiandra the least infested areas before dense infestations are tackled. Consistent follow-up work is required for sustainable management.

Calliandra calothyrsus

Manual control of mature plants can be difficult as it rapidly resprouts. It can be controlled by suitable herbicides. When using any herbicide always read the label first and follow all instructions and safety requirements.

If in doubt consult an expert. The editors could find no information on any biological control agents for this species.

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Not listed as a noxious weed by the state or governments in Kenya, Tanzania and Uganda. Initial performance of Calliandra calothyrsus Meissn.

Agroforestry Systems 2, Effect of plant density and cutting frequency on the productivity of four tree legumes.

Tropical Grasslands 23, Farmers’ perception and use cakothyrsus planted Calliandra calothyrsus fallow in southern Cameroon. Click on images to enlarge Calliandra flowers and leaves, Hawaii Photo: