Plants of South Eastern New South Wales

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Veronica anagallis-aquatica

Common name

Blue water-speedwell

Family

Plantaginaceae

Where found

Stream banks, drainage channels, muddy areas, and in shallow water. Widespread.

Notes

Introduced perennial herb to 1 m or more high, sometimes trailing, with stout rhizomes, hairless apart from glandular hairs on the flower clusters. Stems hollow. Leaves opposite each other, 3–12.5 cm long, 4–45 mm wide, more or less stalkless and stem-clasping, margins often finely toothed, tips pointed. Flowers blue or lilac, 2–5.5 mm long, 5-6 mm in diameter, with a short tube and 4 spreading lobes. Stamens 2. Flower clusters about 15–40-flowered. Flowering: spring–summer.

Family was Scrophulariaceae. 

PlantNET description:   http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Veronica~anagallis-aquatica (accessed 8 February, 2021)