Thismia bokorensis

Suetsugu, Kenji, Tsukaya, Hirokazu, Tagane, Shuichiro, Chhang, Phourin, Yukawa, Tomohisa & Yahara, Tetsukazu, 2018, Flora of Bokor National Park VII: Thismia bokorensis (Burmanniaceae), a new species representing a new generic record, Phytotaxa 334 (1), pp. 65-69 : 68

Key of Thismia bokorensis and closely related species.

1. Inner surface of perianth tube finely irregular manicate-rugulose without transverse bars...............................................................2

1. Inner surface of perianth tube with transverse bars............................................................................................................................4

2. Teeth on free apical part 3, narrowly triangular, tapering at apex into long, filiform, hair................................................................3

2. Teeth on free apical part 2, narrowly triangular without long hair................................................................................. T. tentaculata

3. Lateral appendage of the connective fan-shaped, not exceed apical part of the connective ........................................... T. bokorensis

3. Lateral appendage of the connective quadrangular-shaped, almost the same with whole apical part of the connective..................... ...................................................................................................................................................................................... T. gardneriana

4. Teeth on free apical part 3, narrowly triangular, tapering at apex into long, filiform, hair. Outer perianth lobes broadly ovate, obtuse, erect........................................................................................................................................................................ T. javanica

4. Teeth on free apical parts, numerous, slightly dentate. Outer perianth lobes short, ear-shaped..................................... T. arachnites