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2 Pith of stems lamellate; leaf blades not variegated, only green in color without any white, yellow, or pink coloration; inflorescence a 1-7-flowered cyme; anthers dark purple to black; fruits green, purplish-green, reddish-purple, or purple at maturity | |
2 Pith of stems solid or lamellate (A. kolomikta); leaf blades often variegated with some amount of white to yellow or pink coloration; inflorescence a 1-3-flowered cyme of fascicle; anthers yellow or brown; fruits orange, yellow-orange, pinkish-orange, or greenish-orange at maturity. | |
3 Pith of stems solid and white in color; flowers white; fruits rostrate at apex and calyx generally persistent |