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Woody-based herb with short branchlets arising from a multicipital stock, usually just below the soil surface; living leaves in rosettes at the tips of branchlets; the whole plant forming a loose mat of numerous rosettes. Leaf sheaths densely imbricate, and compacted into a pseudostem. Leaf lamina (10)-15-45-(70) × (1.5)-3.5-6-(7.5) cm, somewhat flaccid, errect but tending to spread, lanceolate to narrow-elliptic; upper surface concolorous, bright to dark green, veins obvious; lower surface glabrous, glaucous green; tip acute; margins entire, often slightly recurved; base cuneate; petiole short, to 1/3 length of lamina, usually deep purple, glabrous or with scattered whitish hairs. Scape purple, up to 65 cm long; bracts numerous, erect, subulate, somewhat leafy; monocephalous. Capitula up to 5 cm diam. Phyllaries in several series, subulate, erect, glabrous. Ray florets 60-70, ligulate, the limb more or less linear, creamy white often tinged violet when capitulum first open. Disc florets c. 200, funneliform, yellow; tube with eglandular biseriate hairs. Achene fusiform-cylindric, strongly ribbed, c. 5 mm long, glabrous. Pappus unequal, c. 7 mm long, of 55-60 bristles, n = 54.
[Reproduced from Given (1984, New Zealand J. Bot. 22: 139-158) with permission from The Royal Society of New Zealand.]