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Electronic Flora of South Australia species Fact Sheet

Family: Compositae
Senecio macrocarpus

Citation: F. Muell. ex Belcher, Muelleria 5:1.19 (1983).

Synonymy: Erechtites hispidula sensu Benth., Fl. Aust. 3:660 (1867), partly, non (A. Rich.)DC.: sensu J. Black, Fl. S. Aust. 610 (1929), partly.

Common name: None

Description:
Herb, 20-40 cm high; erect from a short perennial rootstock; stems often congested, numerous, cobwebby basally, subglabrous distally; leaves linear, to 10 cm long, 2-5 mm wide, acute or apiculate, revolute, abaxial surface cobwebby or hispidulous: lower leaves numerous, congested, the lowermost sometimes denticulate, rarely with an exserted tooth, upper leaves smaller, often minutely auriculate, apiculate.

Inflorescence usually cymose with 6-8 capitula, rarely of 1-3 capitula; peduncles 5-30 rarely to 60 mm long, ascending, subglabrous; involucre large at anthesis, 15-18 mm long, 15-20 mm wide when pressed; bracts 16-21, rarely to 33, acuminate: florets 50-100 rarely to 150, the outermost ones filiform, 4-lobed, rarely 3- or 5-lobed, pistillate or with staminodes, intermediate florets filiform, 4- or 5-lobed, with staminodes, central florets narrowly funnel-shaped, both 4- and 5-lobed, with 1-5 fertile stamens.

Achenes 4.5-5 rarely 6 mm long, brown, rostrate, densely hairy: hairs very short, greyish; pappus deciduous, dimorphic.

Distribution:  S.Aust.: FR, NL, MU, YP, SL, SE.   Vic.; Tas.

Conservation status: native

Flowering time: Sept. — Oct.


SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia

Biology: Not much is known yet of the ecology of this species. It has been collected most recently (1984) in remnant Themeda grasslands on the basalt plains along the railway west of Werribee, Vic.

Author: Not yet available


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