The World Flora Online

Seeds with copious mealy endosperm Ovules few to solitary, basal or axile Fruit a capsule, opening by 3 valves septate in the middle Stamens 6, inserted in the tube; anthers basifixed, 4-locular, loculi confluent at the top and opening by 1 or 2 pores or by a terminal cleft Ovary superior, perfectly or imperfectly 3-locular; style simple Flowers hermaphrodite, actinomorphic Perianth double, the outer hyaline, lobes chaffy, rigid, imbricate, inner tubular, hyaline, lobes ovate, spreading, broadly imbricate Perennial herbs with a thick rhizome Inflorescence scapose, capitate or unilaterally spicate Leaves radical, narrow, with parallel lateral nerves Ovules few to solitary, basal or axile Fruit a capsule, opening by 3 valves septate in the middle Stamens 6, inserted in the tube; anthers basifixed, 4-locular, loculi confluent at the top and opening by 1 or 2 pores or by a terminal cleft Ovary superior, perfectly or imperfectly 3-locular; style simple Flowers hermaphrodite, actinomorphic Perianth double, the outer hyaline, lobes chaffy, rigid, imbricate, inner tubular, hyaline, lobes ovate, spreading, broadly imbricate Perennial herbs with a thick rhizome Inflorescence scapose, capitate or unilaterally spicate Leaves radical, narrow, with parallel lateral nerves