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FOC | Family List | FOC Vol. 24 | Liliaceae | Dracaena

6. Dracaena terniflora Roxburgh, Fl. Ind. ed. 1832. 2: 159. 1832.

矮龙血树 ai long xue shu

Plants subshrubby, less than 1 m tall. Stems somewhat sprawling, simple or few branched; internodes often longer than wide. Leaves spaced along distal part of stem, distinctly petiolate; petiole 3--6 cm, distinctly widened at base to form a persistent sheath normally concealing internode; leaf blade elliptic-lanceolate or elliptic, 20--30 × 6--8 cm. Inflorescence terminal, simple, ca. 15 cm; rachis glabrous. Flowers solitary or in clusters of 2 or 3; pedicel 3--4 mm, articulate above middle. Perianth white, (1.4--)1.8--2.2 cm. Berry globose, 1--1.3 cm in diam., 1--3-seeded. Fr. Aug. 2 n = 80.

Dense forests; 1000--1100 m. SW Yunnan (Jinghong Xian) [Bangladesh, India, Malaysia, Thailand].

There may be a nomenclatural problem with the Chinese plants known under this name. The only locality mentioned in the protologue is Sylhet in Bangladesh. The gathering Wallich 5147A (BM, K), labeled D. terniflora and from Sylhet, is original material for the name but clearly belongs to the species traditionally known as D. elliptica. If one of these specimens were designated as the lectotype of D. terniflora that name would fall into the synonymy of D. elliptica leaving the Chinese plants without a name. However, it is possible that these Chinese plants are less robust individuals of D. hokouensis characterized by smaller stature, simple inflorescence, and shorter pedicels. Further collections are needed to ascertain their true identity.


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