Saturday, 22 November 2008

Canna speciosa (Roscoe) Hook. Part 1

A medium sized species; green foliage, large, oval shaped, spreading habit; round stems, coloured green; flowers are erect, red speckled with yellow, staminodes are small, edges regular, petals purple with farina, fully self-cleaning; fertile both ways, self-pollinating and also true to type, capsules round; rhizomes are thick, up to 3 cm in diameter, coloured white and pink; tillering is prolific.

A species introduced to England from South America in 1820. Flowers from August until the first frost in October or November. This species has been confirmed by Dr Tanake using DNA analysis, so it's future as a separate species now seems assured.

Synonym: C. indica var. speciosa (Roscoe ex Sims) Baker

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