| 1. | The calyx is five-parted and persistent; valvate in bud.
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| 2. | The capsules are normally septicidal or rarely loculicidal or valvate.
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| 3. | The reduced petals are valvate, or rarely absent.
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| 4. | The staminate flowers have three elongated, tapering sepals and three thick, valvate petals.
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| 5. | The pistillate flowers are ovoid with three broad, imbricate sepals and as many valvate petals.
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| 6. | The staminate flowers are asymmetrical and borne in triads with three distinct, valvate sepals and three thick petals.
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| 7. | The fruit is a leathery valvate capsule which splits open to release several red or orange, fleshy-coated seeds.
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| 8. | The corolla is basally tubular and twice as long as the calyx, divided into three lobes, striate and valvate.
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| 9. | They have three pointed, obovoid petals, which are elongated, valvate, and longer, wider and thicker than the sepals.
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| 10. | The pistillate flowers are longer and ovoid with three sepals forming a cup, and three imbricate petals with thick, valvate tips.
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