Hoffmann, K., Hoffmann, O. 1894. Syst. Compos. [Wiss. Beil. Jahresber. Fried. Werders. Gym. Berlin]. 20.
Type Status:
Possible Type
Place:
Agiabampo., Mexico, North America
Collection Date:
3 Oct 1890 to 15 Oct 1890
Notes:
Original publication not seen. See also Hoffmann, Naturl. Pflanzenfam. 4(5): 390 (1894) & Rose, Contr. U.S. Natl. Herb. 1: 335 (1895). Currently accepted name according to B.L. Turner, Phytologia 64: 210 (1988).