Media (fm-2-2-113.jpg)

Rachis scales (SEM). — a. Ctenitis alteroblumei Holttum, × c. 40; b. ibid., × c. 80. — c. C. subglandulosa (Hance) Ching, × c. 40; d. ibid., × c. 140 (a, b:Sapiin 2793.; c, d:Elmer 22162.).