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Genus Sagina Family Caryophyllaceae

Description: Small annual or perennial herbs, glabrous.

Leaves subulate, fused at the base; stipules absent.

Flowers bisexual, solitary or in terminal cymes. Sepals usually 4, free, obtuse-tipped, hooded, green with scarious margins, spreading in the ripe fruit. Petals mostly absent, if present usually 4 and minute, white. Stamens as many as or twice as many as sepals. Ovary 1-locular; styles 4 or 5.

Capsule with 4 or 5 teeth, splitting almost to base, as long as or longer than the sepals; seeds numerous, reddish brown.

Flowering: Flowers spring–summer.

Distribution and occurrence: Weeds of cultivation. World: c. 20 species, chiefly northern temperate regions. Australia: 3 species (naturalized), N.S.W., Vic., Tas., S.A., W.A.

Text by A. Doust
Taxon concept:

Taxa not yet included in identification key
Sagina maritima

 Key to the species 
1Erect annual herb with a tap root and nodes never producing roots; inflorescence a terminal cymeSagina apetala
Perennial herb with fibrous roots, often rooting at lower branch nodes; flowers solitary, terminal or axillary2
2Leaves 0.5–1 mm wide, apex acuminate and shortly awned; seeds with dorsal margin flattened or groovedSagina procumbens
Leaves 0.3–0.5 mm wide, apex acute, awnless; seeds with a dorsal margin rounded, never flattened or grooved
                       Back to 1
Sagina namadgi

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