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Volume I (1961) - Flora of New Zealand Indigenous Tracheophyta - Psilopsida, Lycopsida, Filicopsida, Gymnospermae, Dicotyledons
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Ranunculus pachyrrhizus Hook.f.

R. pachyrrhizus Hook. f. Handbk N.Z. Fl. 1864, 8.

Original localities: "Otago, Lake district, alt. 6-8000 ft., covering large tracts in low matted patches". Type: K, "Hector and Buchanan No. 3, fls April".

Small matted depressed herb up to 4 cm. tall, ± clad in long soft hairs. Stock stout, fleshy, creeping, branched, ± 5 mm. diam.; roots thick, fleshy. Lvs all radical, ± fleshy, crowded at tips of stock branches on flattened fleshy petioles up to 3 cm. long, clad in long weak hairs; sheath short, pilose. Lamina cuneate to obovate-cuneate, 1-2 cm. diam.; deeply 3-lobed, lobes again deeply 3-partite; ultimate segs up to 5 mm. long, linear to narrow-oblong. Scape 1-fld, up to 25 mm. long, stout; fls ± 1-2 cm. diam. Sepals 5, narrow-oblong, silky membr.; petals (5)-10-15, obovate-spathulate, bright yellow; gland 1 (sts 2-3) near base. Fruiting heads globose, 8-10 mm. diam.; receptacle pilose; achenes turgid, glab, to sparsely hairy; style stout, subulate.

DIST.: S. Subalpine fellfield and herbfield from lat. 43° 30' to 45°.

FL. 12-4. FT. 1-4.

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