Notes are given on various taxa in the Asian genera Endocomia, Horsfieldia, and Knema of the family Myristicaceae. Newly described taxa are Horsfieldia penangiana subsp. obtusifolia, H. perangusta, and Knema emmae, K. krusemaniana, K. kunstleri subsp. leptophylla, K. longepilosa, and K. ridsdaleana.