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Senecio brigalowensis I.Thomps.
Family Asteraceae
Senecio brigalowensis I.Thomps. APNI*

Description: Annual to 0.5 m high, erect, ± glabrous.

Leaves in mid-region of stems mostly 3–12 cm long, mostly divided occasionally not, base attenuate or becoming dilated, margin with occasional teeth or denticulations; undivided leaves oblanceolate to narrow-elliptic; divided leaves with 2 or 3 narrow-triangular or narrow-oblong to linear segments per side. Uppermost leaves base becoming more dilated with often long segments.

Inflorescences sometime congested, of 3–15 flowerheads; axils of bracts conspicuously hairy. Flowerheads with 6–8 bracteoles, not imbricate at anthesis, involucre bracts c. 18–20 in all or most flowerheads, 4.0–5.0 mm long. florets 40–60; ligulate florets mostly c. 13; ligule 6–8 mm long; corolla of disc florets 4.0–5.0 mm long.

Achenes 2.0–3.0 mm long, generally 50% of the length of the involucral bracts, golden, brown, olive-brown or green; papillose hairs in bands obscuring 50% of the surface, ± appressed. Pappus c. 4 mm long.


Flowering: Flowers most of the year.

Distribution and occurrence: Occurs in far west of New South Wales neat Tilpa, southern and central Queensland from Castle Rock NW of Quilpie, east to Nanango in the SE and NE to near Mackay.

Grass plains.
NSW subdivisions: NFWP
AVH map***

Text by Louisa Murray
Taxon concept: Ian R. Thompson (2005) Taxonomic Studies of Australian Senecio (Asteraceae): 5. The S. pinnatifolius/S. lautus complex.

APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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