BP Singh

80 B.P. Singh(v) Deubentonia puricea : A small leguminous tree, which isnaturalized in South America. One collection Ee 104146 has beenintroduced from USA in 197J and grown at NBPGR RegionalStation, Shimla. The plant bears scarlet flowers.(vi) Paulownia sp. (Empress tree) : One cultivar Be 316474 of P.tomentosa has been introduced from China during 1991 and isunder evaluation at Bangalore. It is fast growing deciduous tree,bears erect panicles of fragrant pale violet panicles during May.(vii) Sophora japonic'a (Japanese Pagoda tree) : One cul.tivar Be155222 has been introduced from USA during i983 and is undertrial at NBPGR Regional Station, Shimla. It is small deciduous tree,pendulous, prostrate stiff branches, forming a dense round head.(viii) Tabebuia chrysotricha : A native of tropical America isevergreen medium size tree, has been introduced from USA in 1977and tried at NBRI, Lucknow. Plants flowered in February-March1983 attaining a height of 2.5 m. It looks pretty in full bloom fromFebruary to April, bears funnel shaped bright yellow flowers,arranged in umbrella characters.(b)Ornamental shrubsNBPGR has int~oduced seeds/ plant propagating materialsof commercial cultivars of flowering shrubs like Bougainvillea,Buddleia, Caliandra, Cotoneaster, Forsythia, Hibiscus, PhiZadeZphus,Rosa spp., Spirea, Vibumum and Weigela from various countries.(i) Bougainvillea: Bougainvilleas are among the most floriferousshrubs of the tropics, producing beautiful colour effects, which canhardly be excelled by any other plant. NBPGR has introduced 38cultivars from New Zealand and Kenya. The prominent ones areHawaiian scarlet, Hawaiian orange, Hawaiian white, Crimsonglory, and Lady Hudson. These are under trial at IARI New Delhi!and IIHR, Bangalore.(ii)BuddleiaB. davidii - Varieties Royal R~d (EC 25938 Hungary) and WhiteBanquet (BC 25939 Hungary) were inh·oduced. These are mediumto tall deciduous shrubs, with thick 20 em long panicles of darkpurple and white flowers respectively, .flowers during rainyseason.