458 
Telopea 8(4): 2000 
Key to eastern and central Australian species of Actinotus 
1 Leaves dissected; flowers in capituloid umbels; bracts > 19 mm long; gynophores 
present; columns present; petals filamentous . 2 
2 Leaf laminas without basal, basiscopic lobes; column < 3 mm long; petals hair-like, 
not apically expanded ..... 3 
3 Leaf segments long-linear; column 2.4-3 mm long. Qld. A. periculosus 
3* Leaf segements broadly linear; column < 1 mm long. Vic., N.S.W., Qld. 
. A. helianthi 
2* Leaf laminas with basal, basiscopic lobes; column > 3 mm long; petals slightly 
apically expanded. N.T. . A. schwarzii 
1* Leaves entire, toothed or dissected; flowers in capitula or capituloid umbels; 
bracts < 10 mm long; gynophores absent; columns absent; petals, when present, 
spathulate . 4 
4 Plants cushion-forming to 7 cm high; capitula with 5-12 flowers, not pseudanthial; 
bracts 1.5-3.0 mm long; flowers sessile; petals absent; fruit weakly laterally 
flattened....... g 
5 Leaves entire, crenulate or shallowly trilobed; sepals free. 6 
6 Leaves entire; stamens 2-3. Tas. A. suffocatus 
6 * Leaves crenulate or shallowly trilobed; stamens 5. Tas., Vic. 
. A. bellidioides 
5* Leaves dissected; sepals basally connate; stamens 2. Tas. A. moorei 
4* Plants erect, procumbent or decumbent, never cushion-forming, usually > 5 cm 
high; umbels or capitula with 16-68 flowers, pseudanthial; bracts 4 . 0-10 mm long; 
flowers pedicellate; petals absent or present; fruit strongly laterally flattened 
. 7 
7 Plants erect to procumbent; sepals free or connate for most of their length; 
peduncles 45-150 mm long. g’ 
8 Involucral bracts 1-whorled; petals absent, sepals free. N.S.W. 
... A. minor 
8 * Involucral bracts 2-whorled; petals spathulate; sepals connate for most of 
their length. Vic., N.S.W. . A. forsythii 
7* Plants spreading to weakly erect; sepals basally connate; petals spathulate- 
peduncles 1-8 mm long. g 
9 Fruit winged, fringed with short trichomes; stamens 3; involucral bracts 
basally connate. N.S.W., Qld. A. paddisonii 
9* Fruit not winged, fringed with long trichomes; stamens 5; involucral bracts 
free. N.S.W., Qld. A . gibbonsii 
