Scientific Name:
Apium L., Sp. Pl. 264-265 (1753)

Glabrous annual, biennial or perennial herbs, usually with taproots, sometimes rooting at nodes.  Lvs 1–3-pinnate;  segments broad or narrow. Umbels usually compound, often ± sessile and lf-opposed, sometimes shortly pedunculate;  bracts few and simple or 0;  bracteoles several or 0.  Petals white or greenish, regular, with entire, obtuse to acute, usually inflexed apex;  calyx teeth minute or 0.  Fr. ovoid-oblong to subglobose, slightly flattened laterally, not beaked, spinless;  commissure narrow;  ribs 5 per mericarp, equal, stout or slender;  vittae solitary in furrows.

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

Indigenous (Non-endemic)
Number of species in New Zealand within Apium L.
Indigenous (Non-endemic)1
Exotic: Fully Naturalised2