Henwood, Actinotus periculosus sp. nov. 
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Flowering: October and November 
Etymology: from the Latin periculosus, dangerous, in reference to the difficulty 
experienced in obtaining representative specimens of this species from sandstone cliffs. 
Conservation status: this species is not regarded as rare and is adequately protected. 
Selected specimens: Queensland: Leichhardt: 'The Tombs', c. 143 km from Injune, Mt Moffatt 
section of Carnarvon National Park, Henwood 508,18 Oct 1998 (BR1, NSW, SYD); 15 km N of 'The 
Tombs' on Marlong creek, Mt Moffat region of Carnarvon National Park, Henwood 511 ,19 Oct 1998 
(BR1, NSW, SYD); Lookout at Lonesome National Park, Henwood 513,19 Oct 1998 (BRI, NSW, SYD); 
'Balloon Cave', Carnarvon Gorge, Carnarvon National Park, Henwood 517 ,21 Oct 1998 (BRI, NSW, 
SYD); 'Spyglass Peak' Salvator Rosa section of Carnarvon National Park, Henwood 518 ,21 Oct 1998 
(BRI, NSW, SYD); c. 100 m north of Get Down track, Robinson National Park, Henwood 520 ,23 Oct 
1998 (BRI, NSW, SYD). 
J 
Fig. 1, Actinotus periculosus (from Hemoood 511). a, foliose upper portion of branch with 
inflorescence; b, hermaphrodite flower; c, apex of gynoecial column with 3 sepals, 4 petals and 
2 stamens removed (trichomes not illustrated). Scale bar: a = 100 mm; b = 5 mm; c = 4 mm. 
