a single stem of mrs. robb's bonnet in bloom

amygdaloides background bloom blooming blooms blossom blossoms botanical bract bracts bright chartreuse euphorbia floral flower flowering flowers horticulture natural nature outdoors outside perennial plant robbiae single spring spurge stem summer upright wood Mrs Bonnet one lone horticultural flora greenish yellow foliage leaves leaf leafy blurred Robbs grayish green cup shaped vibrant vivid isolated unusual tiny small delicate