Oenanthe pimpinelloides L.

Erect, terrestrial perennial, with ovoid tubers towards ends of roots. Stems ± solid or hollow, striate, grooved, often purple tinged toward base, 30–90 cm high, not rooting at nodes. Basal lvs 2-pinnate, petiolate; ultimate segments ovate, lobed or not, serrate, 5–15–(20) mm long; stem lvs 1–2-pinnate with lanceolate to linear segments, or simple and entire. Umbels terminal, long-pedunculate, 2–6 cm diam.; rays 6–12; rays and pedicels much thickened at fruiting; bracts 0–10, linear; bracteoles numerous, linear. Fls numerous, white, 3–4 mm diam. Fr. cylindric, c. 3 mm long; ribs prominent, the lateral larger and spongy; styles somewhat thickened, > ⅔ length of fr.

[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]

Flowering: Oct.–Apr.