Table 1 in Simonachne, a new genus for Australia segregated from Ancistrachne s. l. (Poaceae: Panicoideae: Paniceae) and a new subtribe Cleistochloinae

Table 1. Major differences in morphological characters between Simonachne maidenii (= Ancistrachne maidenii) and other putative genera in subtribe Cleistochloinae and Ancistrachne s.s.
CharacterSimonachneCalyptochloa A Cleistochloa B DimorphochloaDimorphochloa spp.AncistrachneGrowth habit FStoloniferous RhizomotousTufted, decumbentRhizomotousTerminal inflorescenceReducedRaceme Reduced spike-like panicle 5?RacemeOpen panicle,spike-like paniclesecondary branches(Primary branches reduced or absent G)reduced or absent GAxillary inflorescences FAxillary raceme sometimes reduced to one spikeletAbsent(Dimorphochloa rigida has much reduced CL racemes apical on subordinate branches)Terminal and axillary spikeletsSimilarDistinctly different SimilarDistinctly differentTerminal onlyLong white hairs on leaf sheath and proximal margin of leaf bladesPresentAbsentLeaves disarticulating D,F; relative duration of leavesYes, photosynthesising in culms; long Yes, photosynthesing in culms; very shortYes, photosynthesising in culms; variable across provenancesLiguleA fringe of hairs F,GFringed membrane; membrane and cilia approximately equal length or shorterUpper margin of leaf sheathCiliateGlabrousContraligule present CYes NoYesNoSpikelet compressionDorsi-ventralStrongly dorsi-ventral Dorsi-ventralLittle to noneOrientation of CH spikelets with respect to culmAdaxialAbaxial EOrientation of terminal spikelets on the pedicel CTransverseObliqueCH spikelet indumentum FWoolly CStraightUncinate CCH lower glume FSmall to vestigial AbsentSmall50% of spikelet lengthCH lower glume enveloping the upper glume at the baseNoYes