watsonia meriana var.bulbillifera or bulbil bugle-lily or wild watsonia branches with bulbils

watsonia meriana varbulbillifera bulbil buglelily wild bulbillifera branches cormlets bulbils corm bulbotuber ornamental plant flowering perennial horticulture gardening bulbous flower spikes invasive species nature botany propagation seedless vegetative reproduction var