Plants of South Eastern New South Wales

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Triglochin striata

Common name

Streaked arrowgrass

Family

Juncaginaceae

Where found

Periodically inundated salt marshes or shallow saline aquatic habitats. Coastal.

Notes

Perennial herb to 0.5 m high. Rhizome soft, hairless. Leaves forming tufts spaced along the rhizome, each 2–52 cm long, 1–5.5 mm wide, basal sheath with a distinct blunt ligule. Flowers about 2 mm long, with 6 'petals' in two whorls, falling readily. Flowers in elongated clusters of 4- to about 200 flowers, usually 1–15 cm long, elongating to 29 cm long at the seeding stage. Flowering: during the warmer months. Seed cases almost globular to oval, 1.5–3 mm long, 1.5–2.4 mm wide, with 6 carpels, 3 carpels producing seed alternating with 3 undeveloped carpels that do not produce seed.

PlantNET description:   http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Triglochin~striata (accessed 25 March, 2021)