Asters, Asteraceae, Close-up view of flowers with yellow stamen growing outdoor.

Asters, Asteraceae, Close-up view of two purple flowers with yellow stamen.

Asters, Asteraceae, Close-up view of two purple flowers with yellow stamen.

Fred Howard Amacrinum, Crinodonna lily x Amarcrinum Fred Howard, Pink star shaped flowers growing outdoor.

Abelmosk, Abelmoschus moschatus, Single pink star shaped flower growing outdoor.

Abelmosk, Abelmoschus moschatus, Single pink star shaped flower growing outdoor.

Allium 'Gladiator', Close up detail of mass of pink star shaped flowers.

Christmas cactus, Schlumbergera x bridgesii, Close view of one bright pink flower with swept back petals, white stamens and unusual star shaped pink stigma.

Allium, Allium aflatunense 'Purple Sensation', Close view of one flowerhead just opening with many tiny star shaped flowers radiating out from the centre.

Allium, Allium aflatunense 'Purple Sensation', Close view of one flowerhead with many tiny star shaped flowers radiating out from the centre.

Tulip, Tulipa turkestanica, Close side view of a few white star shaped flowers with yellow centres, and showing stamens and stigmas.

Star anise, Illicium verum, A mass of star shaped husks holding the seeds.