Alphonsea glandulosa sp. nov. is described from Yunnan Province in south-west China. It is easily distinguished from all previously described Alphonsea species by the possession of glandular tissue at the base of the adaxial surface of the inner petals. Nectar was observed throughout the flowering period, including the pistillate phase and subsequent staminate phase. Small curculionid beetles w...

Woody plant encroachment into grasslands and rangelands is a world-wide phenomenon but detailed descriptions of changes in geographical distribution and infilling rates have not been well documented at large land scales. Remote sensing with either aerial or satellite images may provide a rapid means for accomplishing this task. Our objective was to compare the accuracy and utility of two types ...

The widespread encroachment of woody plants throughout the semi-arid grasslands in North America has largely resulted from overgrazing by domestic livestock, fire suppression, and loss of native large and small mammalian herbivores. Burrowing-herbivorous mammals, such as prairie dogs (Cynomys spp.), help control shrub encroachment through clipping of shrubs and consumption of their seedlings, b...

Five apigenin-based C-gfycosylflavones were isolated from the leaves and pods of Prosopis chilensis and identified as vicenin-1, 6†-0-acetyrvicenin-l, vicenin-2, vitexin and isovitexin. 6*â€TM-0-ac«ryrvicenin-l could be a new acylated di-Cglycosylflavone and Vicerun-l is reported here for the first time in the genus Prosopis. The structures of the isolated compounds were established through ...

Interest in the use of summer fires to restore southern Great Plains prairie ecosystems infested with woody plants and cactus is increasing, but information regarding effects on target and nontarget plant species is needed before this practice can be recommended. We review effects of summer and winter fires on mortality and growth of honey mesquite (Prosopis glandulosa), prickly pear (Opuntia p...

Three new species of Dactuliothrips Moulton are described, two from Mendoza, Argentina and one from Southern California, USA: D. prosopis sp.n. from Prosopis alpataco (Fabaceae), D. monttea sp.n. from Monttea aphylla (Scrophulariaceae), and D. ephedra sp.n. from Ephedra sp. (Ephedraceae). A revised diagnosis and an illustrated identification key to the nine recognized species of Dactuliothrips ...

Prosopis juliflora (Sw.) DC. commonly known as mesquite, vilayti babul, vilaytikikar belongs to family leguminosae sub family (mimosoidae). P. juliflora is often quoted as native to the Caribbean where it is found often in coastal areas.It’s a thorny ever-green to semi-evergreen fast growing tree capable of growing in arid and semi-arid regions and attaining heights up to 10m. A polysaccharide ...

Prosopis africana is an under utilized tree crop with immense medicinal and industrial values. Manual threshing of the pods to extract the seeds is uneconomical, time consuming, associated with drudgery and low output capacity. A motorized Prosopis africana pod thresher was designed, fabricated and assessed for performance. The main components of the thresher include hopper, threshing unit, cle...

Prosopis juliflora (Sw.) DC. commonly known as mesquite, vilayti babul, vilayti kikar belongs to family leguminosae sub family (mimosoidae). It’s a thorny ever-green to semi-evergreen fast growing tree capable of growing in arid and semi-arid regions and attaining heights up to 10m. A polysaccharide was isolated from Prosopis juliflora seed and purified. Purified juliflora polysaccharide has be...