Salix sepulcralis group Salix sepulcralis group The "Salix sepulcralis" group is a cultivar group containing all cultivars of hybrids between "Salix alba" and "Salix babylonica". The "sepulcralis" or × "sepulcralis" trees are sometimes referred to as white weeping willow or glaucous weeping willow in reference to the mixed appearance from the parent species. It was first described by L. Simonkai in 1890 from trees growing in Romania. The group contains both weeping and nonweeping cultivars, though the best-known of its cultivars is 'Chrysocoma', the most widely grown weeping tree.. Some of the cultivars are hybrids of "S. babylonica" var. "matsudana" 'Tortuosa' and have
Salix lasiolepis forest, red fir forest, lodgepole pine forest, and grasslands. Arroyo Willow (Salix lasiolepis) is a severe allergen. Occurs in following seasons depending on latitude and elevation: Spring. "Salix lasiolepis" is a deciduous large shrub or small multi−trunked tree growing to tall. The shoots are yellowish brown and densely hairy when young. The leaves are 3.5–12.5 cm long and broadly lanceolate in shape. They are green above and glaucous green below. The undersides are covered with whitish or rusty hairs which gradually wear off during the summer. The flowers are arranged in yellow catkins 1.5–7 cm long which are produced in