B.R. Maslin, Acacia Miscellany — 4 
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7. Phyllodes 2-nerved or more per face 
8. Heads ± cream; peduncle indumentum obscure; phyllodes (2)3-5 cm long, 
1-2.5 mm wide. (W.A.) A. cowaniana 
8. Heads golden (S.A., Vic., N.S.W.) 
9. Peduncles with a conspicuous, dense, light golden pubescence; 
phyllodes 1-3 cm long, 1-4(6) mm wide A. wilhelmiana 
9. Peduncles glabrous; phyllodes 1.5-4 cm long, 0.5-1 mm wide A. menzelii 
7. Phyllodes 1 -nerved per face 
10. Peduncles 2-3 mm long; flowers 8 or 9 per head; 
phyllodes 2-5 cm long (W.A.) A. brachypoda 
10. Peduncles 5-15 mm long; flowers 20-30 per head; 
phyllodes 0.5-2 cm long (W.A., N.T., S.A.) A. helmsiana 
6. Phyllodes terete to sub-terete 
11. Flowers 8 or 9 per head; peduncles 2-3 mm long; phyllode apices 
eglandulose (W.A., rare) A. brachypoda 
1 1. Flowers >10 per head; peduncles usually >3 mm long 
12. Flowering peduncles glabrous 
13 Phyllodes 6-nerved, apices eglandulose; 
branchlet apices sparsely puberulous (S.A.) A. menzelii 
13. Phyllodes (obscurely) 2- or 4-nerved, with a small gland 
adjacent to mucro (observe at xlO mag); branchlets glabrous 
14. Phyllodes 0.5-2 cm long, 2-nerved, 
base eglandulose. (W.A., N.T., S.A.) A. helmsiana 
14. Phyllodes 2-5 cm long, 4-nerved 
15. Gland at base of phyllode 0-2 mm above the pulvinus; 
sepals united; legumes 2.5-3 mm wide (W.A., N.T.) A. abrupta 
15. Gland absent from base of phyllode; 
sepals ± free; legumes 5 mm wide (W.A.) A. ascendens 
12. Flowering peduncles and branchlet apices puberulous 
(indumentum sometimes minute, sparse and imbedded in resin) 
16. Peduncles with a prominent, dense, light golden pubescence; 
branchlets commonly with prominent yellow ribs 
at extremities (S.A.,Vic., N.S.W.) A. wilhelmiana 
16. Peduncles sparsely pubescent, hairs white and/or golden; 
branchlets not obviously ribbed (W.A.) A. viscifolia 
Taxonomy 
Acacia ascendens Maslin, sp. nov. 
