Kaempferia gigantiphylla Picheans. & Koonterm, Taiwania 54(3): 219. 2009.

Type.

Lao PDR, Salawan Province, Tad Loa Waterfalls, 15°27.363'N, 106°44.12'E, alt. 482 m, 4 Jul 2007, C. Picheansoonthon & S. Koonterm 117 (holotype BKF; isotypes: BK, SING). Lao PDR, Salawan Province, Tad Lo Waterfalls, 15°31.6633'N, 106°16.535'E, 370 m alt., 21 Jun 2016, O. Insisiengmay OI-149 (neotype: HNL, designated here; isoneotypes: E (with spirit collection), P (with spirit collection)).

Note.

The original material comprises the type and two paratype collections, as follows: Champasak Province, Phou Savan, 15°23.355'N, 105°41.318'E, alt. 696 m, 14 Jun 2007, Picheansoonthon & Koonterm 105 (BK, n.v.); Attapeu Province, Ban Kasome, 14°50.167'N, 106°57.515'E, alt. 88 m, 26 Apr 2008, Picheansoonthon & Koonterm 219 (BK, n.v.). The type locality is a well-known place which is easy to find. The neotype collection was made at Tad Lo and matches the protologue exactly.