软叶刺葵 Phoenix roebelenii
中文名(Chinese Name):软叶刺葵
学名(Scientific Name):Phoenix roebelenii O'Brien
英文名(English Common Name):pygmy date palm
别名(Chinese Common Name):美丽针葵、江边刺葵
异名(Synonym):
科属(Family & Genus):棕榈科(Palmae)刺葵属
形态特征(Description):茎丛生,栽培时常为单生,高1-3米,稀更高,直径达10厘米,具宿存的三角状叶柄基部。叶长1-1.5(-2)米;羽片线形,较柔软,长20-30(-40)厘米,米,两面深绿色,背面沿叶脉被灰白色的糠秕状鳞秕,呈2列排列,下部羽片变成细长软刺。佛焰苞长30-50厘米,仅上部裂成2瓣;雄花序与佛焰苞近等长,雌花序短于佛焰苞;分枝花序长而纤细,长达20厘米;雄花花萼长约1毫米,顶端具三角状齿;花瓣3,针形,长约9毫米,顶端渐尖;雄蕊6;雌花近卵形,长约6毫米;花萼顶端具明显的短尖头。果实长圆形,长1.4-1.8厘米,直径6-8毫米,顶端具短尖头,成熟时枣红色,果肉薄而有枣味。花期4-5月,果期6-9月。
分布(Distribution):产云南,常见于海拔480-900米江岸边。缅甸、越南、印度亦产。
用途(Use):可作庭园观赏植物。
引自中国植物志英文版:FOC Vol. 23 Page 143, 144
Phoenix roebelenii O’Brien, Gard. Chron., ser. 3,. 6: 475. 1889.
江边刺葵 jiang bian ci kui| Arecaceae | Phoenix
Stems clustered (solitary in cultivated plants), 1-3 m tall, to 10 cm in diam., straight or twisted, rough with persistent, diamond-shaped leaf bases. Leaves to 2 m; sheath and petiole to 50 cm; rachis 1-2 m; acanthophylls ca. 12 per side of rachis; pinnae 25-50 per side of rachis, linear, regularly arranged and spreading in same plane, with persistent scales on abaxial surface of midrib; middle pinnae 20-40 × ca. 1.5 cm. Male inflorescences pendulous, 30-60 cm, with to 20 rachillae, these 7-20 cm; female inflorescences erect, to 35 cm, with to 50 rachillae. Fruits orange-brown or purple-brown, obovoid, to 1.8 × 0.7 cm; endosperm homogeneous.
Scattered localities on rocky riverbanks or cliffs, sometimes with stems submerged, especially along the Lancang Jiang and Nu Jiang, at low elevations. Yunnan [Laos, Myanmar, Thailand, Vietnam].
This species is widely planted as an ornamental.
(责任编辑:徐晔春)
学名(Scientific Name):Phoenix roebelenii O'Brien
英文名(English Common Name):pygmy date palm
别名(Chinese Common Name):美丽针葵、江边刺葵
异名(Synonym):
科属(Family & Genus):棕榈科(Palmae)刺葵属
形态特征(Description):茎丛生,栽培时常为单生,高1-3米,稀更高,直径达10厘米,具宿存的三角状叶柄基部。叶长1-1.5(-2)米;羽片线形,较柔软,长20-30(-40)厘米,米,两面深绿色,背面沿叶脉被灰白色的糠秕状鳞秕,呈2列排列,下部羽片变成细长软刺。佛焰苞长30-50厘米,仅上部裂成2瓣;雄花序与佛焰苞近等长,雌花序短于佛焰苞;分枝花序长而纤细,长达20厘米;雄花花萼长约1毫米,顶端具三角状齿;花瓣3,针形,长约9毫米,顶端渐尖;雄蕊6;雌花近卵形,长约6毫米;花萼顶端具明显的短尖头。果实长圆形,长1.4-1.8厘米,直径6-8毫米,顶端具短尖头,成熟时枣红色,果肉薄而有枣味。花期4-5月,果期6-9月。
分布(Distribution):产云南,常见于海拔480-900米江岸边。缅甸、越南、印度亦产。
用途(Use):可作庭园观赏植物。
引自中国植物志英文版:FOC Vol. 23 Page 143, 144
Phoenix roebelenii O’Brien, Gard. Chron., ser. 3,. 6: 475. 1889.
江边刺葵 jiang bian ci kui| Arecaceae | Phoenix
Stems clustered (solitary in cultivated plants), 1-3 m tall, to 10 cm in diam., straight or twisted, rough with persistent, diamond-shaped leaf bases. Leaves to 2 m; sheath and petiole to 50 cm; rachis 1-2 m; acanthophylls ca. 12 per side of rachis; pinnae 25-50 per side of rachis, linear, regularly arranged and spreading in same plane, with persistent scales on abaxial surface of midrib; middle pinnae 20-40 × ca. 1.5 cm. Male inflorescences pendulous, 30-60 cm, with to 20 rachillae, these 7-20 cm; female inflorescences erect, to 35 cm, with to 50 rachillae. Fruits orange-brown or purple-brown, obovoid, to 1.8 × 0.7 cm; endosperm homogeneous.
Scattered localities on rocky riverbanks or cliffs, sometimes with stems submerged, especially along the Lancang Jiang and Nu Jiang, at low elevations. Yunnan [Laos, Myanmar, Thailand, Vietnam].
This species is widely planted as an ornamental.
(责任编辑:徐晔春)
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