338 Austrobaileya 9(3): 321-381 (2015) 
5 Cauline leaves with 7-14 pairs of marginal lobes; low shrub 30 to 60 cm; 
verticils widely separated.20. A. ornans 
5. Cauline leaves with 12-20 pairs of marginal lobes; shrub (40—) 60-200 cm; 
verticils not widely separated, sometimes overlapping.6 
6 Bracteoles 0.3-0.8 mm wide; corolla platform glabrous; calyx fringe 
hairs 0.2-0.35 mm long at apical end.8. A. eriodes 
6. Bracteoles 0.9-1.2 mm wide; corolla platform with 20-100 
hairs; calyx fringe hairs 0.5-1 mm long at apical end.23. A. salviifolia 
7 Erect glandular hairs (0.1-0.3 mm long) frequent to abundant on upper 
stems and inflorescence rachis.8 
7. Erect glandular hairs absent from upper stems and rachises, although 
sessile glands usually present.11 
8 Patent hispid hairs absent from upper stems; cymes twice dichasial at 
base; cauline leaves 120-150 mm long; bracteoles 6.4-11 mm long. . .4. A. bundeyensis 
8. Patent hispid hairs present (often frequent) on upper stems; cymes 
monochasial or once dichasial at base; cauline leaves 51-110 mm long; 
bracteoles 2.5-7.5 mm long.9 
9 Cauline leaves 1.2-1.9 times longer than wide, base obtuse; corolla upper 
lip 5.8-67 mm long.17. A. macdonaldii 
9. Cauline leaves 2-3.8 times longer than wide, base cuneate; corolla 
upper lip 3.5-57 mm long.10 
10 Glandular hairs not extending to lower stems; hairs sparse on upper 
leaf surface; corolla platform glabrous; nutlets 17-1.9 mm long.7. A. dallachyi 
10. Glandular hairs extending to lower stems; hairs moderately dense to dense 
on upper leaf surface; corolla platform with 1-20 hairs; nutlets 
1.9-2.2 mm long.24. A. viscidula 
11 All calyx fringe hairs < 0.4 mm long.12 
11. Calyx fringe hairs > 0.4 mm long, at least at the sinus end.19 
12 Floral bracts consistently longer than verticils.13 
12. Floral bracts not consistently longer than verticils.14 
13 Hispid hairs frequent on upper stems; 4-10 pairs of marginal lobes on 
cauline leaves; plants prostrate or procumbent; Qld.15. A. lappa 
13. Hispid hairs absent from upper stems; 12-27 pairs of marginal 
lobes on cauline leaves; plants erect; N.T.10. A. grandibractea 
14 Fruiting calyces obconical, 5-7.5 mm wide at lobe apices; corolla 
platform with > 100 hairs.12. A. indica 
14. Fruiting calyces cylindrical to narrowly campanulate, 2-5 mm wide 
at lobe apices; corolla platform glabrous or with many fewer than 100 hairs.15 
15 Petioles 0-3 mm long; plants prostrate.16 
15. Petioles 3.5-31 mm long; plants erect.17 
