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Genus Actinobole Family Asteraceae

Description: Dwarf annual herbs, hairy.

Leaves cauline, alternate sometimes appearing opposite, ± sessile, entire, hairy.

Heads terminal in sessile, dense clusters or compound; involucre of leaves and leaf-like bracts; receptacle disc-like or slightly branched; bracts of partial heads in several rows, margins usually hyaline; lamina of outer bracts barely constricted, hairs along margins; middle and inner bracts constricted and ± reflexed, middle with hairs at constriction, inner glabrous; bracts united by hairs. Florets c. 10–60 per head, tubular, bisexual; corolla 5- or rarely 4-toothed. Anthers tailed, with terminal appendage. Style branches truncate, with short hairs.

Achenes obovoid, glabrous; pappus of 5 or rarely 4 bristles, fused at base, tapering towards apex, ± plumose.


Distribution and occurrence: World: c. 4 species, endemic Australia. Australia: all mainland States.

Text by E. A. Brown
Taxon concept:

One species in NSW: Actinobole uliginosum

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