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Electronic Flora of South Australia species Fact Sheet

Family: Compositae
Senecio laceratus

Citation: Belcher, Ann. Miss. Bot. Gard. 43:51 (1956).

Synonymy: Erechtites lacerata F. Muell., Linnaea 25:417 (1853); E. argula sensu Benth., Fl. Aust. 3:659 (1867), partly, non (A. Rich.)DC. , Erechtites arguta

Common name: None

Description:
Erect glabrous annual herb, 15-60 cm high; stem terete, striate, branched mainly at the inflorescence; leaves overlapping, broadly oblong-lanceolate to ovate-lanceolate, to 8 x c. 3.5 cm, irregularly coarse-toothed, each tooth usually sharply denticulate, auriculate, subamplexicaul.

Inflorescence a corymbose panicle of 100-400 capitula, rather crowded and compact: peduncles slender, 2-5 mm long; involucre cylindrical, 5 x 2-3 mm; bracts 10-13, apices abruptly narrowed, often reflexed at maturity: calyculus of 2-4 slender bracteoles; female florets 15-20, 4- or 5-lobed; disk florets c. 10, 5-lobed.

Achenes 1.5-2 mm long, short-cylindrical, plump, a dark reddish-brown, indistinctly ribbed, rather densely clothed with short appressed hairs or subglabrous at maturity; pappus deciduous, dimorphic.

Distribution:  Near water holes throughout the arid ranges of central Australia, nowhere abundant.

S.Aust.: NW, LE, GT, FR, NL.   W.Aust.; N.T.

Conservation status: native

Flowering time: June — Nov.


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

Biology: No text

Author: Not yet available


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