Triglochin from the Greek 'treis' meaning three and 'glochis' meaning a point; referring to its three-sided carpels. Longiarpa from the Latin 'longus' meaning long and 'carpos' meaning fruit; referring to its long fruits.
Distribution and status
Found on the Eyre Peninsula in South Australia, growing in damp sand loam and clay, often in saline soils near the edges of salt lakes and claypans. Also found in Western Australia and Victoria. Native. Rare in South Australia. Rare in Victoria. Common in Western Australia.
Herbarium regions: North Western, Eyre Peninsula
NRM region: Eyre Peninsula
AVH map: SA distribution map (external link)
Slender annual herb to 13 cm high. Leaves flat and tread-like, to 5.5 cm long, shorter than or as long as the inflorescence. Inflorescence erect or ascending, to 5.0 cm long, fruiting part at the top to 6.5 cm long with 6–54 fruits. Flowering between August to October. Fruits are straw-coloured narrowly cylindric, slightly expanded at base, fruit to 5.8 mm long and 0.5 mm wide on a very short stalk with six seed segments (carpels), 3 fertile alternating with 3 underdeveloped sterile ones. Seeds are straw-coloured narrow wedge-shaped seed with 2 minute downward incurved points to 0.1 mm long at the base, that do not extend beyond the segment outline. Seed embryo type is linear.
Seed collection and propagation
Collect seeds between September and November. Collect mature fruits either by breaking off individual spikes or by removing plants that are drying off with fruits that are straw-colour and seed segments coming apart easily. Place the fruit spikes in a tray and leave to dry for 1 to 2 weeks. Then rub the dried fruit spikes with a rubber bung to dislodge the seeds. Use a sieve to separate any unwanted material. Store the seeds with a desiccant such as dried silica beads or dry rice, in an air tight container in a cool and dry place.
|Location||No. of seeds|
2,400 (0.127 g)