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非洲天门冬Asparagus densiflorus

时间:2013-09-30 13:57来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):非洲天门冬 学名( Scientific Name ): Asparagus densiflorus (Kunth) Jessop 英文名( English Common Name ): Sprengers asparagus fern 别名( Chinese Common Name ): 万年青 异名( Synonym ): Asparagus sprengeri
中文名(Chinese Name):非洲天门冬
学名(Scientific Name):Asparagus densiflorus (Kunth) Jessop
英文名(English Common Name):Sprenger's asparagus fern
别名(Chinese Common Name):万年青
异名(Synonym):Asparagus sprengeri Regel  Asparagopsis densiflora Kunth  Asparagus aethiopicus L.  Asparagus laetus Salisb.  Asparagus lanceus Thunb.  Asparagus aculeatus Voss  Asparagopsis aethiopica (L.) Kunth  Asparagopsis lancea (Thunb.) Kunth  Asparagus maximus Voss  Protasparagus aethiopicus (L.) Oberm.  Protasparagus densiflorus (Kunth) Oberm.  Asparagus sarmentosus var. comatus Baker  Asparagus sarmentosus var. densiflorus (Kunth) Baker
科属Family & Genus):百合科(Liliaceae)天门冬属
形态特征Description):半灌木,多少攀援,高可达1米。茎和分枝有纵稜。叶状枝每3(1-5)枚成簇,扁平,条形,长1-3厘米,宽1.5-2.5毫米,先端具锐尖头;茎上的鳞片状叶基部具长约3-5毫米的硬刺,分枝上的无刺。总状花序单生或成对,通常具十几朵花;苞片近条形,长2-5毫米;花白色,直径约3-4毫米;花被片矩圆状卵形,长约2毫米;雄蕊具很短的花药。浆果直径8-10毫米,熟时红色,具1-2颗种子。
分布(Distribution):原产非洲南部,现已被广泛栽培。
用途(Use):我国各地公园都很常见,供观赏。
引自植物志英文版:FOC Vol. 24 Page 210
Asparagus densiflorus (Kunth) Jessop, Bothalia. 9: 65. 1966.
非洲天门冬 fei zhou tian men dong | Liliaceae  | Asparagus
Asparagopsis densiflora Kunth, Enum. Pl. 5: 96. 1850; Asparagus sprengeri Regel.
Subshrubs hermaphroditic. Stems ± climbing, branched, to 1 m; branches distinctly striate-ridged. Cladodes in fascicles of 1--5, linear, 1--3 cm × 1.5--2.5 mm, flat. Leaf spur spinescent; spine slightly hooked, 3--5 mm and sharp on main stems, very short and not sharp on branches, woody. Inflorescences developing after cladodes, solitary or paired, axillary, each a many-flowered raceme or panicle 2--2.5 cm; bracts linear, 2--5 mm. Pedicel ca. 2 mm, articulate at middle. Perianth white; segments oblong-ovate, ca. 2 mm. Stamens shorter than perianth; anthers minute. Berry red, 8--10 mm in diam., 1- or 2-seeded. Fl. throughout year. 2 n = 40, 60.
Commonly cultivated and occasionally becoming naturalized [native to S Africa].
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