Simonachne, a new genus for Australia segregated from Ancistrachne s. l. (Poaceae: Panicoideae: Paniceae) and a new subtribe Cleistochloinae Author Thompson, E. J. text Australian Systematic Botany 2022 2022-04-11 35 1 19 62 http://dx.doi.org/10.1071/sb20024 journal article 10.1071/SB20024 1446-5701 10903871 Key to the genera of Cleistochloinae Three species with phrase names: D . sp. (Charters Towers E . J . Thompson + CHA 554 ), D . (Miles E . J . Thompson EJT 906 ), D . (Mt Cooper R . J . Cumming 18623 ). 1. Spikelets from the two types of inflorescences similar....................2 Spikelets from the two types of inflorescences strongly dimorphic...............................................................................................3 2. Plants stoloniferous; cleistogamous ( CL ) spikelets in usually 4- flowered axillary racemes ........................................... Simonachne Plants rhizomatous with wiry erect tufted culms; CL spikelets usually solitary, apical on leafy subordinate branches............................... .......................................................................... Dimorphochloa s.s. 3. Upper lemmas awned; CL spikelets adaxial.....................................4 Upper lemmas mucronate; CL spikelets abaxial........ Cleistochloa s.s. 4. Plants stoloniferous; upper lemma much shorter than lower lemma… Calyptochloa , Cleistochloa sp ........................................... ..........................................................(Duaringa K . B . Addison 42) Plants not stoloniferous, bushy with some decumbent branching; upper lemma subequal to lower lemma.......... Dimorphochloa spp.