Scientific Name:
Utricularia L., Sp. Pl. 18 (1753)
Vernacular Name(s):

Annual or perennial, aquatic, terrestrial or epiphytic herbs. Roots 0, but root-like structures present. Stems modified to form rhizoids, stolons and leafy shoots. Lvs usually small, entire when terrestrial or emergent, capillary and much-divided when submerged, all with small bladder-like traps. Infl. racemose, emergent in aquatic spp., usually with a simple scape or peduncle. Fls 1-several. Calyx 2-lipped, divided almost to base, usually accrescent. Corolla yellow, white or purple; upper lip entire or lobed, mainly small; lower lip entire or 2–5-lobed, generally larger than upper lip, with palate or pouch present at base, ± raised and often gibbous; spur usually subulate or conic. Filaments usually curved, often dilated and flattened; anthers convergent. Stigma unequally lobed. Ovules 1-numerous. Capsule globose or ovoid, dehiscing in various ways. Seed very variable in shape and sculpturing.

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

Indigenous (Non-endemic)
Number of species in New Zealand within Utricularia L.
Indigenous (Endemic)1
Indigenous (Non-endemic)2
Exotic: Fully Naturalised3
Exotic: Casual2
Biosecurity New Zealand 2012: Regional Pest Management Strategies Database.
Linnaeus, C. 1753: Species Plantarum. Impensis Laurentii Salvii, Stockholm.
Mabberley, D.J. 2008: Mabberley's plant book, a portable dictionary of plants, their classification and uses. Edition 3. Cambridge University Press.