Class
Order
Family
Fls us. stalked and clustered at base of lvs, mostly minute, sts cleistogamous. Calyx subcampanulate, us. 5-toothed, sts 2-lipped. Corolla us. > calyx, tube crowned by spreading limb of 5 ± equal white lobes, upper surface papillose. Stamens us. 4, didynamous. Ovary ± globose, 2-celled at base. Stigma capitate, sts 2-lobed. Capsule minute, septidically dehiscent. Small annual to perennial aquatic herbs of mud or damp ground. Lvs ± clustered in rosettes on slender rhizomes, cylindric or differentiated into petiole and lamina, very susceptible to habitat conditions.
[From: Allan (1961) Flora of New Zealand. Volume 1.]
Category | Number |
---|---|
Indigenous (Non-endemic) | 1 |
Exotic: Casual | 1 |
Total | 2 |