| W. Curtis, Bot. Mag., ser. 2, vol. 16(): : p. 55 (1999) [W.H. Fitch] [64] | |
| drawing: W.H. Fitch [6608] | |
| Illustration contributed by: | JSTOR digital library, U.S.A. |
W. Curtis, Bot. Mag., ser. 2, vol. 16(): : p. 55 (1999) [W.H. Fitch]