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Genus Triglochin Family Juncaginaceae

Description: Annual, ephemeral or perennial herbs, with bulbs or rhizomes.

Leaves all basal, semi-terete, ligulate or auriculate.

Inflorescence racemose or spicate. Flowers bisexual, 3-merous. Perianth segments 6, in 2 whorls, falling readily. Stamens 6. Carpels 6, sometimes 3 sterile, fused for various lengths, each 1-ovuled; stigmas equal to number of fertile carpels.

Individual fruit indehiscent, separating, mostly with carpophore.

Distribution and occurrence: World: c. 24 species, America & Australia. Australia: c. 12 species (1 naturalised), all States.

Text by S. W. L. Jacobs; updated Louisa Murray Feb 2017
Taxon concept: From - S. von Mering & J.W. Kadereit in O. Seberg et al. (eds), Diversity, Phylogeny, and Evolution in the Monocotyledons: 73 (2010)

Taxa not yet included in identification key
Triglochin isingiana

 Key to the species 
1Perennials of more or less permanently aquatic habitatsTriglochin striata
Annuals or ephemerals of ephemerally wet habitats or damp ground2
2All carpels fertile; individual fruit cylindrical with a short conical summit; each carpel rounded on the back, with 2 short, spreading spurs at the baseTriglochin turrifera
Fertile carpels alternating with sterile ones; individual fruit tapered or angular, not cylindrical with a conical top; fertile carpels either keeled or winged, with or without basal spurs
                       Back to 1
3Fruit about twice as long as wide; fertile carpels each with 2 angular wings and no basal spursTriglochin hexagona
Fruit more or less linear, tapering gradually towards apex; fertile carpels more or less keeled, wings absent, each with 2 basal not prominent spurs
                       Back to 2
Triglochin nana

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