Volume I (1961) - Flora of New Zealand Indigenous Tracheophyta - Psilopsida, Lycopsida, Filicopsida, Gymnospermae, Dicotyledons
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Hydrocotyle americana var. heteromeria (A.Rich.) Kirk

Var. heteromeria (A.Rich.) Kirk Stud. Fl. 1899, 188.

H. heteromeria A. Rich, in Ann. Sci. phys. 4, 1820, 200.

Lamina up to 25 mm. diam., but us. smaller; petioles up to 8cm. long. Umbels on peduncles up to 1 cm. long to subsessile (often on same plant).

DIST.: Three Kings; N. local; S. Queen Charlotte Sound.

Colenso's H. nitens (T.N.Z.I. 23, 1891, 386) was based on specimens "Forming large close-growing patches, or beds, sides of streamlets in plains, and in low shaded woods, near Dannevirke . . . 1887-90: W.C." His description includes: "Leaves glabrous, shining green, broadly orbicular, 2-3 lines wide, basal sinus deep. 5-nerved, 6-lobed; lobes imbricate above. each 3-crenate-toothed; teeth large, broad, and sub-acute; sinuses shallow, their bases rounded and clear; petiole 1 in.-11/2 in. long, erect, with a few weak long hairs at the top . . . Peduncle slender, erect, nearly as long as petiole, glabrous. Umbel 5-8- flowered; flowers shortly pedicelled, pedicels increasing in length in fruit . . . Fruit very small, oblate-globular, turgid; mericarps 1/20 in. diameter, 1 rib on face, back sub-acute; commissure deep; light brown . . . small neat and regular close glossy green leaves."

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