Canna-Leaf Donax
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Canna-Leaf Donax
P Native Photo: N Arun Kumar
Common name: Canna-Leaf Donax
Botanical name: Donax canniformis    Family: Marantaceae (Arrowroot family)
Synonyms: Donax gracilis, Maranta grandis, Phrynium canniforme

Canna-Leaf Donax is a herb 1.5-4 m tall. Stems with basal, canelike internode 1-2.5 m. Leaf sheath is to 15 cm; leaf-stalk 8-20 cm, thickened into a cylindric pulvinus. Leaves are broadly ovate to elliptic, 10-25 x 10-45 cm, resembling Canna leaves. Flowers are borne in slender clusters up to 20 cm, bracts 9-11, green, obovate to lanceshaped, 2.5-3.5 cm, falling off after anthesis. Flower-stalks are thickened in fruit. Sepals are white, triangular-ovate, 3-3.5 mm, hairless. Flower tube is 8-10 mm; petals linear, 1-1.4 cm x 2--3 mm. Outer staminodes are white, obovate, 1.2-1.4 cm x 5-6 mm; callose staminode yellowish, about 1.5 cm, tip usually notched; hoodlike staminode light yellow at tip. Fruit is white to pale cream, 1-1.5 cm in diameter, dry, not splitting open. Flowering: June.

Identification credit: N Arun Kumar Photographed in Mt. Harriet National Park, South Andaman.

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