Chrysanthemum maximum hort.

Chrysanthemum maximum plant

Family - Asteraceae

Stems - Glabrous, to 90cm tall, typically simple, carinate, erect.

Leaves - Alternate, dentate, glabrous, linear to linear-lanceolate. Cauline leaves clasping, basal leaves petiolate.

Inflorescence - Single flower head terminating stem.

Involucre - Phyllaries lanceolate, imbricate, glabrous, with scarious brownish margins near apex, to +3mm long, -2mm broad at base.

Chrysanthemum maximum plant

Ray flowers - Ligule white, 2-3 notched at apex, +/- 4cm long, +/-1cm broad.

Disk flowers - Disk 1.5-2.5cm broad. Corolla yellow, 5-lobed, fertile.

Flowering - June - August.

Habitat - Cultivated.

Origin - Europe and Asia.

Other info. - This is the plant commonly called the "Shasta Daisy". It is frequently cultivated but probably not escaped, yet. The plant is not naturally occurring and was developed in cultivation.

Photographs taken at the Kansas City Zoo, 7-10-00.