7. Prasoxylon rigidum (Ridl.) Mabb., comb. nov.

≡ Chisocheton rigidus Ridl. in Bull. Misc. Inform. Kew 1929: 122. 1929 ≡ Dysoxylum rigidum (Ridl.) Mabb. in Malaysian Forester 45: 450. 1982 – Lectotype (designated by Mabberley in Malaysian Forester 45: 450. 1982): Malaysia, Pahang, Temerloh, Kemasul FR, Hamid KEP 10880 (K barcode K001368877!).

Distribution. – Sumatra to Borneo.

Note. – See also Mabberley (2013a: 201).