Clusters of green and pink flowers. Also known as "The Bottlebrush Orchid". Native to Australia and Papua New Guinea. Dendrobium smillieae is native to Thailand and has canes 18 to 24 inches in height that produce clusters of flowers in colors of green, white and pink. The flowers last a month or so and can appear from the year before leafless canes. This plant is a reliable bloomer and does well in intermediate to warm conditions.