1. | Spikes flexuous, 5-8, 6-12 cm long |
C. radiatus (NT) C. arcuatus |
Spikes not flexuous, 3-6, 1-6 cm long | 2 | |
2. | Plants with rhizomes and stolons | 3 |
Plants only with stolons | 5 | |
3. | Leaf-blades up to 1.5 mm wide | *C. transvaalensis (NSW) |
Leaf-blades more than 1.5 mm wide | 4 | |
4. | Spikes more than 3 cm long with spikelets to 2.5 mm long | C. dactylon var. dactylon (NSW VIC TAS NT SA WA QLD) |
Spikes less than 3 cm long with spikelets 2.5-3 mm long | C. dactylon var. pulchellus (VIC SA) | |
5. | Racemes 2-3 cm long; plants up to 15 cm tall | 6 |
Racemes 4-8 cm long; plants up to 60 cm tall | 7 | |
6. | Leaf-blades densely hairy on both surfaces; glumes ±equal | *C. hirsutus (NSW) |
Leaf-blades loosely hairy; glumes unequal | *C. incompletus (NSW QLD) | |
7. | Racemes in 2-5 whorls | *C. aethiopicus (QLD) |
Racemes in 1 whorl (occasionally 2) | 8 | |
8. | Culms 1-1.5 mm in diameter; leaf blades 2-5 mm wide | *C. nlemfuensis var. nlemfuensis (NT QLD) |
Culms 2-3 mm in diameter; leaf blades 5-6 mm wide | *C. nlemfuensis var. robustus (QLD) |
Add C. plectostachyus (QLD),
Key to Cynodon derived from de Wet and Harlan 1970; Lazarides 1972; Nowak 1992; Nightingale et al 2005
Taxonomic name: