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Panicled Aster (Symphyotrichum lanceolatum)

Panicled Aster, native to North America and common in the Montreal area, grows in moist open habitats. The plant can grow high and carries clusters of flowers with white petals and yellow disc blooming late summer and autumn.

Last changed on 2024-12-16

Common Names

• Panicled Aster, Lance-leaved Aster, White Panicled Aster 🇨🇦
• Aster lancéolé, Aster à feuilles lancéolées 🇫🇷
• Lanzettblättrige Aster 🇩🇪
• Symphyotrichum lanceolatum 🇲🇽

How to Identify

Panicled Aster is a tall plant, can grow up to 1.5m, with thin, long leaves. Carries on top a cluster of small flowers with many thin white petals and a small yellow disc.

Where and When to Spot

I usually spot this flower in Champ des Possibles late summer and autumn. It is common though in other parks in the Montreal area where you have open areas with wild flowers.

Taxonomy

• Order: Asterales
• Family: Asteraceae
• Species: Symphyotrichum lanceolatum

Morphology

Flowers

• Color: white
• Shape: discoid
• Inflorescence: panicle

Leaves

• Arrangement: alternate
• Petiole: sessile
• Shape: lanceolate
• Margin: entire
• Venation: pinnate