a wisteria with large blue drooping blooms

flower plant purple lilac tree blossom branch blue art leaf spring lavender autumn wildflower garden painting shrub frost wisteria large climbing ththe live long time produces profusion flowers hang mass drooping blooms prolific woody lived pea structure ancient heavy species seeds sinensis china climber old mauve flowering seed pods hanging deciduous japan perfumed legume family like pendulous twining stems native work gardening cottage walls aged entwine entwining prune leaves vigorous clusters pergola