- ≡ Ligusticum filifolium Hook.f., Handb. New Zealand Fl. 95 (1864)
- ≡ Gingidium filifolium (Hook.f.) J.W.Dawson (1961)
- ≡ Gingidia filifolium (Hook.f.) J.W.Dawson
Slender herb up to ± 3 dm. or more tall, from stout stock; stems grooved, stiff, slender, branched above. Lvs on slender petioles up to c. 2 dm. long, us. shorter; sheaths broad, membr., up to ± 2 cm., long. shortly obtusely liguled. Lamina (5)–10–(40) × 5–10 mm.; pinnae 3–6 pairs, spreading, ternately divided into filiform or very narrow-linear acute segs, us. apiculate, up to c. 4 cm. long. Umbels several to few, compound, on slender peduncles up to ± 8c m. long. Bracts foliaceous. Primary rays very slender, unequal, ± 2–5 cm. long; involucral bracts few, short, linear. Umbellules ± 5 mm. diam.; fls small. Fr. 8–9 mm. long, narrow-oblong in outline, compressed. Mericarps thin, 5-winged, lateral wings distinctly > dorsal.
[From: Allan (1961) Flora of New Zealand. Volume 1.]
Flowering: Nov.–Jan.; Fruiting: Jan.–Feb.