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Volume I (1961) - Flora of New Zealand Indigenous Tracheophyta - Psilopsida, Lycopsida, Filicopsida, Gymnospermae, Dicotyledons
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Cotula pyrethrifolia var. robusta G.Simpson

Var. robusta Simpson in T.R.S.N.Z. 79, 1952, 433.

Simpson's description is: "Similar to the species, but everywhere stouter. Stems 3 mm. diam. Leaves green, fleshy, 3 cm. long, 1 cm. broad, with a long sheathing base. Petiole equalling the blade, flattened 2 mm. broad; sheath membranous, 5 mm. broad. Blade ovate or broadly ovate in outline, closely pinnate or deeply pinnatifid, with 1-4 (3) pairs of obovate obtuse pinnae and a terminal one, occasional pinnae irregularly 1-3 lobed. Peduncles 5-7 cm. long, with 4-10 narrow-linear bracts with scarious tips. Heads 1·5 cm. diam."

DIST.: "Habitat: Edges of grassland against rock or on rock ledges. Type specimen―from a plant collected on the Tararua Mountains by Mr. N. Potts and in cultivation at Dunedin". The type specimen (BD 75700, G. Simpson) has stems up to 5 mm. diam.

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