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For canna grown outside (in California or Texas, for example), mealybugs and scale insects are most drawn to the dense folds and creases between the leaves and the stem/petiole, where the foliage attaches to the plant. At times, if left unchecked, these sucking-insects may remain effectively concealed in these tight areas, only for older or ...
Cultivars, F1 and F2 hybrids, normally with small species-like flowers, but grown principally for their foliage. [2] [3] [4] This group has occasionally been referred to as the Année Group, after the originator, Théodore Année, the world's first Canna hybridizer.
The lower leaf pairs usually occur in an opposite leaf arrangement and the upper leaf pairs in an alternate arrangement on the main stem of a mature plant. The leaves have a peculiar and diagnostic venation pattern (which varies slightly among varieties) that allows for easy identification of Cannabis leaves from unrelated species with similar ...
Canna species have been categorised by two different taxonomists in the course of the last three decades. They are Paul Maas , from the Netherlands [ 1 ] [ 2 ] [ 3 ] and Nobuyuki Tanaka from Japan . [ 4 ]
Canna 'Austria' Canna 'Bengal Tiger' Canna 'Florence Vaughan' Canna 'Madame Crozy' Canna 'Musaefolia' Canna 'Phasion' Canna 'Pringle Bay' Canna 'R. Wallace' Canna 'Roi Humbert' Canna 'Roma' Canna 'Trinacria Variegata' Canna 'Trinacria' Canna 'Yellow King Humbert' List of Canna cultivars; Canna × ehemannii; Canna coccinea; Canna compacta
The canna leaf roller butterfly (Calpodes ethlius) has been seen on Canna plants in the US. [22] It is a caterpillar known as the worst pest for this plant and primarily found in the Southern United States. This pest causes damages by laying its eggs in the bud of developing stalks.
Canna (Agriculture Group) 'Edulis Dark' Many more traditional varieties exist worldwide, they have all involved human selection and so are classified as agricultural cultivars . Folk lore states that Canna edulis Ker-Gawl. is the variety grown for food in South America, but there is no scientific evidence to substantiate the name as a separate ...
Small sized with spreading habit and thick rhizomes (these up to 3 cm in diameter). Green ovate leaves; green triangular stems; upright spikes with flowers of yellow petals with a wide red margin; staminodes are long and narrow, edges regular; capsules globose.
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