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드라세나 자바식물/들꽃-아스파라거스과(Asparagaceae) 2019. 4. 2. 19:57
드라세나 자바
Origin and Habitat: South-east Asia in a geographical area covering India, South China, Pacific islands, Bhutan, Cambodia, Indonesia, Laos, Malaysia, Burma, Papua New Guinea, the Philippines, Thailand, Vietnam, and North Australia.
Habitat and ecology: This plant is found in the forests and thickets.Common Names include:
ENGLISH: Nam ginseng, Soap tree, Narrow-leaf Dracaena, Narrow-leaf Pleomele
CHINESE (中文): 长花龙血树, 番仔林投, meng la long xue shu, chang hua long xue shu, 龙血树属
FRENCH (Français): Bois chandelle
MALAY (بهاس ملاي /Bahasa Melayu ): Suji
MAORI (Māori): Rautī, LautīDescription: Dracaena angustifolia is a rhizomatous, perennial herbaceous plant, forming large climbing shrubs with few ascending branches or small Slender trees with weak pendulous twigs, and 1-3 m tall. The sessile linear leaves are born in dense rosettes, followed by yellow flowers in terminal racemes to spreading panicles and globose compressed 3-lobed berry. It is widely cultivated as a garden and indoor ornamental plant.
Stems: The stems are simple or few branched, greyish and smooth. Internodes often longer than wide.
Leaves: Leaves spirally arranged, spaced along distal part of stems, sessile, subsessile or indistinctly petiolate; petiole to 1 cm, base not completely covering internode. Blade, fleshy, sword-shaped to linear-oblanceolate, (15–)20-45(–50) cm long, (1–)1.5-3.5(-5) cm wide AND tappering to a sharp tip.
Inflorescence: Terminal, paniculate, usually with only one order of branching, and 30-50 cm long. Rachis glabrous. Pedicels (5)7-8(-10) mm long, articulated above the middle.
Flowers: Arranged in clusters of 2 or 3(-4), perianth greenish white, 1.8–2.3 long, tube 7-8 mm in diameter. Lobes of the perianth 6, 10-16 mm long. Filaments filiform, anthers 2-3 mm long. Style 5-8 as long as ovary.
Fruits. Orange, globose, 8-12 mm in diameter, flesh thin orange and contain 1-2 seeds.
Seeds: Large (12mmØ), translucent cream.
Blooming season: Flowering March-May, fruiting June August.
Chromosome number: 2 n = 40.http://www.llifle.com/Encyclopedia/SUCCULENTS/Family/Dracaenaceae/30145/Dracaena_angustifolia국표에는 Dracaena (드라세나속)이 19종 있으나 학명 Dracaena angustifolia은 없다.
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