Comments
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Dracaena menglaensis G. Z. Ye (in G. Z. Ye et al., Acta Bot. Yunnan. 14: 30. 1992) was described from two collections from the same locality in S Yunnan (Mengla Xian). It is said to differ from D. angustifolia in its longer, sword-shaped leaves with bases completely covering internodes, perianth lobes tinged reddish purple distally, and 3-ribbed berry with 4 small, apical projections. However, in all other features, it falls within the range of variation of D. angustifolia and is probably best regarded as a robust plant of that species.
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Description
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Plants shrubby, rhizomatous, 1--3 m tall. Stems simple or few branched; internodes often longer than wide; bark grayish, smooth. Leaves spaced along distal part of stems, subsessile or indistinctly petiolate; petiole to 1 cm, base not completely covering internode; leaf blade nearly sword-shaped to linear-oblanceolate, 20--45 × 1.5--5.5 cm. Inflorescence terminal, branched, 30--50 cm; rachis glabrous. Flowers in clusters of 2 or 3; pedicel 7--8 mm, articulate distally or near apex. Perianth greenish white, 1.9--2.3 cm; tube 7--8 mm; lobes 1.1--1.6 cm. Filaments filiform; anthers 2--3 mm. Style 5--8 × as long as ovary. Berry orange, globose, 0.8--1.2 cm in diam., 1- or 2-seeded. Fl. Mar--May, fr. Jun--Aug. 2 n = 40.
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Habitat & Distribution
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Forests, thickets. Hainan, S Taiwan (including Lan Yu), S Yunnan [Bhutan, Cambodia, India (including Andaman Islands), Indonesia, Laos, Malaysia, Myanmar, Papua New Guinea, Philippines, Thailand, Vietnam; N Australia].
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Synonym
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Pleomele angustifolia (Roxburgh) N. E. Brown.
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Dracaena angustifolia
provided by wikipedia EN
Dracaena angustifolia[1] is a species of Asian tropical forest under-storey plants in the family Asparagaceae; no subspecies are listed in the Catalogue of Life.[2]
Distribution and Description
The native range of this species is from Bangladesh, through Indo-China and Malesia to northern Australia.[3] In Vietnam the plant may be called phất dủ lá hẹp.[4]
D. angustifolia is a shrub, up to 3 metres (9.8 ft) high, with leaves 150–250 millimetres (5.9–9.8 in) x 20–30 millimetres (0.79–1.18 in) wide. The yellowish flowers are about 20 millimetres (0.79 in) long.[4]
Use
The leaves are used to make green food coloring. D. angustifolia is used traditionally as medicine for several different ailments.[5][6] It is also planted as a hedge. [6]
References
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^ Roxburgh W (1814) Hort. Bengal.: 24.
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^ Roskov Y., Kunze T., Orrell T., Abucay L., Paglinawan L., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Decock W., De Wever A., Didžiulis V. (ed) (2014). "Species 2000 & ITIS Catalogue of Life: 2014 Annual Checklist". Species 2000: Reading, UK. Retrieved 12 February 2020.
{{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link) -
^ Plants of the World Online: Dracaena angustifolia (retrieved 13 February 2020)
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^ a b Phạm Hoàng Hộ (2003) Cây Cỏ Việt Nam: an Illustrated Flora of Vietnam vol. III (entry: 10.713) publ. Nhà Xuẩt Bản Trẻ, HCMC, VN.
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^ "Dracaena angustifolia".
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^ a b "Dracaena angustifolia (PROSEA)".
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Dracaena angustifolia: Brief Summary
provided by wikipedia EN
Dracaena angustifolia is a species of Asian tropical forest under-storey plants in the family Asparagaceae; no subspecies are listed in the Catalogue of Life.
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