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Genus Myosotis Family Boraginaceae

Description: Annual to perennial herbs, glabrous to hirsute, but not hispid.

Leaves alternate above a basal rosette.

Inflorescence terminal, scorpioid cymes, bracts absent. Flowers 5-merous, pedicellate. Sepals fused at the base. Corolla actinomorphic, blue, yellow or white; tube ± funnel-shaped with 5 saccate scales at the throat; lobes spreading. Stamens usually included in corolla, exserted in a few species only. Gynobase low and broad.

Mericarps smooth and shiny.


Photo © ANBG

Distribution and occurrence: World: c. 50 species, Northern Hemisphere to southern temperate regions. Australia: 7 species (2 species native, 5 species naturalised) N.S.W., Vic., Tas., S.A., W.A.

Text by Peter G. Wilson
Taxon concept:

 Key to the species 
1Anthers fully exserted from corollla tubeMyosotis exarrhena
Anthers included or shortly exserted from corolla tube2
2Hairs on leaves appressed; hairs on calyx appressed, not hookedMyosotis laxa
Hairs on leaves spreading; hairs on calyx spreading, hooked
                       Back to 1
3
3Corolla bright blue with a yellow throat; lobes ± 2.5 mm longMyosotis sylvatica
Corolla white, yellow or pale blue; lobes less than 2 mm long
                       Back to 2
4
4Corolla white or yellow, turning blue; lobes of fruiting calyx narrow-triangular to linear, 2.5–3 times longer than broadMyosotis discolor
Corolla white or yellow; lobes of fruiting calyx triangular, twice as long as broad
                       Back to 3
Myosotis australis

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