Flowers
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Inflorescences umbelliform to racemiform, borne between petioles of a pair of leaves; calyx deeply lobed, often with glands at base or at sinuses of lobes within; corolla often carnose, sometimes submembranaceous, subrotate or broadly cyathiform, the tube short, the lobes valvate in bud, becoming spreading, upwardly curved, or reflexed; corona lobes borne on staminal tube, carnose, often horizontally spreading, shallowly concave or flattened above, rounded or sulcate or bicarinate beneath; anthers with apical membranes, the pollinia erect, often unilaterally pellucid-margined; ovaries with short styles detached from style head soon after anthesis.
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