- ≡ Senecio bifistulosus Hook.f., Bot. Antarct. Voy. II. (Fl. Nov.-Zel.) Part I, 144 (1853)
Stout closely branched shrub up to 6 dm. tall, main branches decumbent at base, ascending; upper branches c. 1 cm. diam., with pale bark; final branchlets c. 2.5 mm. diam., invested with remains of lf-bases. Lvs very close-set, 2–2.5 cm. × 1·5–2 mm. (not including revolute margins), narrow-linear, abruptly subacute, subcoriac., glab. except for woolly fringe on margins, broadened to submembr. base; margins revolute to stout midrib, crenulately constricted at line of revolution. Capitula c. 3 cm. diam., solitary, terminal on arrested branchlets up to 10 cm. long, and bearing ∞ lflike bracts up to 1·5 cm × 1 mm. Phyll. c. 12, c. 1 cm. long; closely subtended by bracts overtopping capitulum in bud; softly tomentose on back, with broad scarious margins. Ray-florets yellow, spreading, c. 15 mm. long, broad-oblong, clawed; achenes 1·5 mm. long, linear-oblong, glab., obscurely ribbed; pappus-hairs up to 4·5 mm. long, rather rigid, strongly barbellate.
[From: Allan (1961) Flora of New Zealand. Volume 1 as Senecio bifistulosus Hook.f.]