dracaena chalk white icon on black background. potted ornamental houseplant. dragon tree. green indoor plant with spiky

background black blackboard board chalk chalkboard concept contour cultivate decor decorative design domesticated doodle dracaena dragon drawing drawn flower gardening green grow hand home house houseplant icon illustration interior isolated leaf line linear logo logotype office ornamental outline plant potted purify sign sketch spiky style symbol tree vector web white windows