Lopes da Cunha Neto, I., Angyalossy, V. and Douglas, N. A. (2019) “What are the "sticky rings" on stems of Anulocaulis and related taxa (Nyctaginaceae) from arid regions?”, Journal of the Botanical Research Institute of Texas, 13(2), pp. 477-485. doi: 10.17348/jbrit.v13.i2.803.