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DescriptionHerbs to 2(-3) m. Leaves distichous. Inflorescence terminal, showy. Calyx tubular. Corolla tube slender; petals long and narrow, reflexed. Labellum 2-lobed, showy. Lateral stamens petaloid, showy. Filaments usually long and slender; anthers without a crest. Capsule spherical or oblong, often red or orange inside.