Dittrichia

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Introduced

Annual to perennial herbs or subshrubs, viscid, glandular-hairy, aromatic. Leaves basal and cauline, alternate, simple, toothed. Capitula campanulate, in leafy racemes or panicles, terminal and axillary, shortly pedunculate to sessile; involucral bracts 3- or 4-seriate, unequal, herbaceous with scarious margins; receptacle flat, naked. Ray florets 1-seriate, female, shortly ligulate, yellow to reddish; disc florets bisexual, tubular, fertile, 4- or 5-lobed, yellow to reddish; anthers tailed at base, with acute apical appendages; style bilobed, with lanceolate, papillose branches. Cypselas ellipsoid to terete, abruptly constricted below pappus, pubescent, glandular; pappus 1-seriate, of basally fused barbellate bristles.

2 species, from the Mediterranean region; both species naturalised in Australia.

Source: Jeanes, J.A. (1999). Asteraceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne.
Updated by: Val Stajsic, 2019-03-15
 
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life Life
kingdom Plantae
phylum Tracheophyta
superorder Asteranae
order Asterales
family Asteraceae
Higher taxa
genus Dittrichia
Subordinate taxa