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蒲苇Cortaderia selloana

时间:2013-09-11 13:41来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):蒲苇 学名( Scientific Name ): Cortaderia selloana (Schult. Schult. f.) Asch. Graebn. 英文名( English Common Name ): Uruguayan pampas grass 别名( Chinese Common Name ): 异名( Synonym ): Arundo selloana
中文名(Chinese Name):蒲苇
学名(Scientific Name):Cortaderia selloana (Schult. & Schult. f.) Asch. & Graebn.
英文名(English Common Name):Uruguayan pampas grass
别名(Chinese Common Name):
异名(Synonym):Arundo selloana Schult. et Schult. f.  Cortaderia dioica (Spreng.) Speg.  Arundo kila Spreng. ex Steud.  Gynerium argenteum Nees  Gynerium dioicum Dallière  Arundo dioeca Spreng.  Gynerium purpureum Carriere  Cortaderia argentea (Nees) Stapf  Moorea argentea (Nees) Lem.  Gynerium argenteum var. argenteum
科属(Family & Genus):禾本科(Gramineae)蒲苇属
形态特征(Description):多年生,雌雄异株。秆高大粗壮,丛生,高2-3米。叶舌为一圈密生柔毛,毛长2-4毫米;叶片质硬,狭窄,簇生于秆基,长达1-3米,边缘具锯齿状粗糙。圆锥花序大型稠密,长50-100厘米,银白色至粉红色;雌花序较宽大,雄花序较狭窄;小穗含2-3小花,雌小穗具丝状柔毛,雄小穗无毛;颖质薄,细长,白色,外稃顶端延伸成长而细弱之芒。
分布(Distribution):分布于美洲,我国南方引种栽培。
用途(Use):
引自中国植物志英文版FOC Vol. 22 Page 450
Cortaderia selloana (Schultes & J. H. Schultes) Ascherson & Graebner, Syn. Mitteleur. Fl. 2: 325. 1900.
蒲苇 pu wei| Poaceae  | Cortaderia
Arundo selloana Schultes & J. H. Schultes, Mant. 3: 605. 1827.
Perennial forming large tussocks. Culms robust, 2–3 m tall. Leaf blades stiff, 50–200 cm, 4–10 mm wide, glaucous, margins sharply serrulate, apex acuminate; ligule 2–4 mm. Panicle 30–100 cm, silvery or sometimes pinkish; branches erecto-patent in bisexual, patent in female plants. Spikelets dimorphic, florets 2–5; glumes linear or lanceolate, acuminate; lemmas 3-veined, gradually tapering to an entire apex continuing into a slender awn. Female spikelets: glumes 8–9 mm; lemmas 8–14 mm, densely silky villous; palea 2.5–3 mm; minute staminodes present. Male spikelets:glumes 9–18 mm; lemmas 11–17 mm, sparsely pilose; palea 4–6 mm.
Cultivated. Jiangsu, Taiwan, Zhejiang [native to South America].
This species is widely cultivated as an ornamental (Pampas Grass). The sharply serrulate leaf margins cut skin very easily.


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