Classification
Class
Magnoliopsida Brongn.
Order
Saxifragales Bercht. & J.Presl
Family
Haloragaceae
Genus
Gonocarpus Thunb.
 Subordinate Taxa
 Nomenclature
Scientific Name:
Gonocarpus micranthus Thunb. (1783)
Synonymy:
  • ≡ Haloragis micrantha (Thunb.) Siebold & Zucc., Flora Japonica 1: 25 (1845)
  • = Haloragis tenella Brong. (1829)
  • = Haloragis minima Colenso, Trans. & Proc. New Zealand Inst. 18: 259 (1885 [1886])
Vernacular Name(s):
piripiri
 Description

Slender glab. herb up to 10 cm. tall, rooting from lowest nodes. Stems many, obscurely tetragonous; lvs opp., almost sessile, 3–10 mm. long, ovate, membr., margin cartilaginous with 4–5 incisures on each side. Infl. a terminal raceme from which bracts and bracteoles fall early leaving fls in opp. pairs. Fls reddish, drooping, c. 1·5 mm. long, strongly protandrous; sepals broadly triangular, = ovary; petals hooded, without hairs, > ovary; stamens 8; ovary 8-angled, globose, constricted below sepals; styles short, erect, cylindrical, stigmas of long multicellular hairs. Fr. dark red, c. 0·5 mm. long, with 8 vertical ribs, faces between ribs concave and smooth; pericarp not hardened, 1 loculus with us. 1 seed.

[From: Allan (1961) Flora of New Zealand. Volume 1 as Haloragis micrantha (Thunb.) Siebold & Zucc.]

 Biostatus
Indigenous (Non-endemic)
Number of subspecific taxa in New Zealand within Gonocarpus micranthus Thunb.
CategoryNumber
Indigenous (Non-endemic)1
Total1
 Bibliography
Colenso, W. 1886 ("1885"): A description of some newly-discovered and rare indigenous plants: being a further contribution towards the making known the botany of New Zealand. Transactions and Proceedings of the New Zealand Institute 18: 256–287.
Flora Japonica
Orchard, A.E. 1975: Taxonomic revisions in the family Haloragaceae. I. The genera Haloragis, Haloragodendron, Glischrocaryon, Meziella and Gonocarpus. Bulletin of the Auckland Institute and Museum 10: 1–299.