Common name: Water Primrose
Ludwigia peploides (Kunth) P.H.Raven APNI*
Description: Prostrate often villous herb, rooting at the nodes or floating, with pneumatophores restricted to submerged parts; flowering stems ascending.
Leaves alternate, usually oblanceolate to obovate, usually 1–10 cm long, 4–30 mm wide, base tapering; petiole 2–30 mm long.
Flowers solitary in upper leaf axils; bracteoles triangular, near middle of ovary. Sepals 5, triangular. Petals 10–20 mm long, yellow, darker at base. Stamens 10.
Fruit terete, 10–30 mm long, 2–4 mm diam., 10-ribbed, thick-walled and tardily dehiscent; seeds in each loculus in 1 row, embedded in endocarp.
Flowering: summer and autumn.
Distribution and occurrence:
Grows on margins of lakes and along streams.
NSW subdivisions: NC, CC, SC, ST, NWS, CWS, SWS, NWP, SWP, NFWP
Other Australian states: Qld Vic. S.A.
Species is cosmopolitan.
Text by J. M. Dalby
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.