Sagittaria (Sagittaria platyphylla)

Latin Name: Sagittaria platyphylla

Origin: Native from USA to Panama

Habitat: Shallow water and muddy or sandy shores. Streams, lakes, and tidal areas from sea level to 700 metres.

Source: Australian Plant Image Index  Image by: Fagg, M.

Source: Australian Plant Image Index
Image by: Fagg, M.

 

 

 

 

 

 

 

Description: Perennial aquatic to about 1.2 m high with tubers commonly formed. Submerged leaves translucent, strap-like, to 50 cm long. Emergent leaves lanceolate to linear-lanceolate, blade to 28 cm long and to 10 cm wide on a long stalk. Fruit a cluster (head) 0.5–1.5 cm across, consisting of 1-seeded segments, each segment flattened, winged, 1.5–3 mm long…. source: Weeds Australia

Emergent rhizomatous aquatic perennial; root tubers commonly formed, to 4 cm long and 1.5 cm wide. source: Plant NET Flora Online

Sagittaria platyphylla

 

 

 

 

 

 

 

 

 

 

Sagittaria (Sagittaria platyphylla) is an emergent aquatic perennial to 1.2 m tall, rooted in the swamp floor and reproducing by seeds, rhizomes (underground stems) and tubers. The stems are triangular in cross-section. The submerged leaves are translucent and strap-like, to 50 cm long. The emergent leaves (those rising out of the water) are lance-shaped to 28 cm long and 10 cm wide, on a long stalk. … source: Weeds in Australia

Physical Characteristics: Perennial aquatic to about 1.2 m high with tubers commonly formed. Submerged leaves translucent, strap-like, to 50 cm long. Emergent leaves lanceolate to linear-lanceolate, blade to 28 cm long and to 10 cm wide on a long stalk. Fruit a cluster (head) 0.5–1.5 cm across, consisting of 1-seeded segments, each segment flattened, winged, 1.5–3 mm long.
Flowers: Inflorescence on a leafless stalk, always below leaf height, with 2–12 whorls of fls. Flowers with 3 white petals and 3 sepals, male flowers c. 3 cm wide and with reflexed sepals. Flowers mainly spring to autumn, depending on latitude.
The flowers are monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) and are pollinated by Insects.

planntain

 

 

 

 

 

 

 

 

 

 

Notes: Now widespread and common in N Victoria, SW NSW and around Sydney, Newcastle and SE Qld. Becoming increasingly common in irrigation supply channels, drains, shallow creeks and wetlands. Shade tolerant. Forms dense patches, obstructing water flow and producing luxuriant growth in enriched conditions. Competes vigorously with native waterplants.

Edibility Rating out of 5: 1

Medicinal Rating out of 5: 0

Edible Uses: Root – cooked. Contains 4 – 7% protein. Young shoots – cooked.

Resources: 

Wikispiecies

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