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毛柄枫
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{| class="wikitable" align="right"
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| style="background: #E6E8FA" align= center| '''<big>毛柄枫</big> '''
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|<center><img src=http://img1.iplant.cn/gotoimg/236/BF7CAF64DCEEC797.jpg width="300"></center>
<small>[http://plantplus.cn/info/Acer%20pubipetiolatum?t=p 来自 植物智 的图片]</small>
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| style="background: #C0C0C0" align= center|
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中文名称:毛柄枫
拉丁学名:Acer pubipetiolatum
Hu et Cheng
界:植物界
门纲:被子植物门、
双子叶植物纲
亚纲:原始花被亚纲
目科:无患子目、
科:[[槭树科]]
属:[[槭树属]]
英文名:Acer pubipetiolatum
Hu et Cheng
|}
'''毛柄枫''',学名 Acer pubipetiolatum Hu et Cheng,属于[[槭树科]]、[[槭树属]],[[落叶乔木]],落叶乔木,高5-10米。树皮灰色或深灰色,平滑。小枝细瘦,当年生枝紫绿色,被很稀疏的短柔毛,多年生枝淡绿色或黄灰色,无毛,具近于圆形或椭圆形皮孔。叶纸质,披针形或长圆披针形,长6-9厘米,宽2-2.5 厘米,稀达3厘米,基部圆形或微近于心脏形,先端渐尖,边缘全缘或近先端具几个很稀的小锯齿;上面深绿色,无毛,下面淡绿色,产[[云南]]西部[[怒江]]、[[澜沧江]]流域。生于海拔1900-2600米的疏林中。
<ref>[http://www.iplant.cn/info/%E6%AF%9B%E6%9F%84%E6%9E%AB?t=b 毛柄枫],植物智,引用日期 2021-02-25</ref>
==形态特征==
落叶乔木,高5-10米。树皮灰色或深灰色,平滑。小枝细瘦,当年生枝紫绿色,被很稀疏的短柔毛,多年生枝淡绿色或黄灰色,无毛,具近于圆形或椭圆形皮孔。
叶纸质,披针形或长圆披针形,长6-9厘米,宽2-2.5 厘米,稀达3厘米,基部圆形或微近于心脏形,先端渐尖,边缘全缘或近先端具几个很稀的小锯齿;
上面深绿色,无毛,下面淡绿色,沿主脉被很稀疏的疏柔毛和脉腋被丛毛外其余部分无毛,主脉在上面显著,在下面凸起,侧脉8-10对,在上面微现,在下面显著,均不到边即分成小叶脉,小叶脉在下面成网状;
叶柄长约8-10毫米,密被淡黄色或淡褐色长柔毛。花杂性,雄花与两性花同株,成顶生的伞房花序,被灰色长柔毛,总花梗长1-1.5 厘米,常被灰色长柔毛;
花梗细瘦,长4-10毫米,无毛;萼片5,绿色,长圆卵形,长约4毫米,宽约2毫米,外侧无毛或近先端处被疏柔毛,内侧被很稀疏的疏柔毛;花瓣5,白色,倒卵形,长与宽均约3毫米;
雄蕊8,微短于萼片;花盘紫色,无毛,位于雄蕊的外侧;子房紫色、被很稀疏的柔毛,花柱细瘦,无毛,长1.5毫米,2裂,柱头反卷。翅果嫩时紫色,成熟后黄绿色;
小坚果凸起,脉纹显著,长8-9毫米,宽5-6毫米;翅镰刀形,中段最宽,常宽1.4厘米,连同小坚果长3.4厘米,张开成钝角。花期3月下旬,果期7-8月。
Trees to 10 m tall, andromonoecious. Bark gray or dark gray, smooth. Branchlets slender, those of present year purplish green, pubescent, older ones greenish or yellowish gray, glabrous. Leaves deciduous; petiole 8-10 mm, densely yellowish or brownish villous or glabrous; leaf blade abaxially pale green, adaxially dark green, lanceolate or oblong-lanceolate, 6-9 × 2-3 cm, papery, abaxially with tufts of hairs at vein axils, adaxially glabrous, base rounded or subcordate, deeply 5- or 7-lobed; lobes entire or doubly serrate near and below apex, apex acuminate.
Inflorescence terminal, corymbose, 1-1.5 cm, gray villous. Sepals 5, green, ovate-oblong, ca. 4 mm. Petals 5, white, obovate, ca. 3 mm in diam. Stamens 8. Disk purple, glabrous, extrastaminal. Ovary purple, slightly pubescent. Fruit yellowish green, pubescent; nutlets convex, 8-9 mm; wing falcate, including nutlet 2.8-3.4 × ca. 1.4 cm, wings spreading obtusely. Fl. Mar-Apr, fr. Jul-Aug or Sep.
● Mixed forests, valleys, limestone slopes; 800-2600 m. SW Guizhou, Yunnan.
1 Leaf blade usually serrulate in upper part; petiole tomentose; samara ca. 3.4 cm. 43a var. pubipetiolatum 毛柄枫(原变种)
+ Leaf blade entire throughout; petiole tomentose when young, but glabrescent when mature; samara 2.8-3 cm. 43b var. pingpienense 屏边毛柄枫
==产地生境==
产[[云南]]西部[[怒江]]、[[澜沧江]]流域。生于海拔1900-2600米的疏林中。模式标本采自耿马。
==参考资料==
{{reflist}}
[[Category:370 植物學總論]]
|-
| style="background: #E6E8FA" align= center| '''<big>毛柄枫</big> '''
|-
|<center><img src=http://img1.iplant.cn/gotoimg/236/BF7CAF64DCEEC797.jpg width="300"></center>
<small>[http://plantplus.cn/info/Acer%20pubipetiolatum?t=p 来自 植物智 的图片]</small>
|-
| style="background: #C0C0C0" align= center|
|-
| align= light|
中文名称:毛柄枫
拉丁学名:Acer pubipetiolatum
Hu et Cheng
界:植物界
门纲:被子植物门、
双子叶植物纲
亚纲:原始花被亚纲
目科:无患子目、
科:[[槭树科]]
属:[[槭树属]]
英文名:Acer pubipetiolatum
Hu et Cheng
|}
'''毛柄枫''',学名 Acer pubipetiolatum Hu et Cheng,属于[[槭树科]]、[[槭树属]],[[落叶乔木]],落叶乔木,高5-10米。树皮灰色或深灰色,平滑。小枝细瘦,当年生枝紫绿色,被很稀疏的短柔毛,多年生枝淡绿色或黄灰色,无毛,具近于圆形或椭圆形皮孔。叶纸质,披针形或长圆披针形,长6-9厘米,宽2-2.5 厘米,稀达3厘米,基部圆形或微近于心脏形,先端渐尖,边缘全缘或近先端具几个很稀的小锯齿;上面深绿色,无毛,下面淡绿色,产[[云南]]西部[[怒江]]、[[澜沧江]]流域。生于海拔1900-2600米的疏林中。
<ref>[http://www.iplant.cn/info/%E6%AF%9B%E6%9F%84%E6%9E%AB?t=b 毛柄枫],植物智,引用日期 2021-02-25</ref>
==形态特征==
落叶乔木,高5-10米。树皮灰色或深灰色,平滑。小枝细瘦,当年生枝紫绿色,被很稀疏的短柔毛,多年生枝淡绿色或黄灰色,无毛,具近于圆形或椭圆形皮孔。
叶纸质,披针形或长圆披针形,长6-9厘米,宽2-2.5 厘米,稀达3厘米,基部圆形或微近于心脏形,先端渐尖,边缘全缘或近先端具几个很稀的小锯齿;
上面深绿色,无毛,下面淡绿色,沿主脉被很稀疏的疏柔毛和脉腋被丛毛外其余部分无毛,主脉在上面显著,在下面凸起,侧脉8-10对,在上面微现,在下面显著,均不到边即分成小叶脉,小叶脉在下面成网状;
叶柄长约8-10毫米,密被淡黄色或淡褐色长柔毛。花杂性,雄花与两性花同株,成顶生的伞房花序,被灰色长柔毛,总花梗长1-1.5 厘米,常被灰色长柔毛;
花梗细瘦,长4-10毫米,无毛;萼片5,绿色,长圆卵形,长约4毫米,宽约2毫米,外侧无毛或近先端处被疏柔毛,内侧被很稀疏的疏柔毛;花瓣5,白色,倒卵形,长与宽均约3毫米;
雄蕊8,微短于萼片;花盘紫色,无毛,位于雄蕊的外侧;子房紫色、被很稀疏的柔毛,花柱细瘦,无毛,长1.5毫米,2裂,柱头反卷。翅果嫩时紫色,成熟后黄绿色;
小坚果凸起,脉纹显著,长8-9毫米,宽5-6毫米;翅镰刀形,中段最宽,常宽1.4厘米,连同小坚果长3.4厘米,张开成钝角。花期3月下旬,果期7-8月。
Trees to 10 m tall, andromonoecious. Bark gray or dark gray, smooth. Branchlets slender, those of present year purplish green, pubescent, older ones greenish or yellowish gray, glabrous. Leaves deciduous; petiole 8-10 mm, densely yellowish or brownish villous or glabrous; leaf blade abaxially pale green, adaxially dark green, lanceolate or oblong-lanceolate, 6-9 × 2-3 cm, papery, abaxially with tufts of hairs at vein axils, adaxially glabrous, base rounded or subcordate, deeply 5- or 7-lobed; lobes entire or doubly serrate near and below apex, apex acuminate.
Inflorescence terminal, corymbose, 1-1.5 cm, gray villous. Sepals 5, green, ovate-oblong, ca. 4 mm. Petals 5, white, obovate, ca. 3 mm in diam. Stamens 8. Disk purple, glabrous, extrastaminal. Ovary purple, slightly pubescent. Fruit yellowish green, pubescent; nutlets convex, 8-9 mm; wing falcate, including nutlet 2.8-3.4 × ca. 1.4 cm, wings spreading obtusely. Fl. Mar-Apr, fr. Jul-Aug or Sep.
● Mixed forests, valleys, limestone slopes; 800-2600 m. SW Guizhou, Yunnan.
1 Leaf blade usually serrulate in upper part; petiole tomentose; samara ca. 3.4 cm. 43a var. pubipetiolatum 毛柄枫(原变种)
+ Leaf blade entire throughout; petiole tomentose when young, but glabrescent when mature; samara 2.8-3 cm. 43b var. pingpienense 屏边毛柄枫
==产地生境==
产[[云南]]西部[[怒江]]、[[澜沧江]]流域。生于海拔1900-2600米的疏林中。模式标本采自耿马。
==参考资料==
{{reflist}}
[[Category:370 植物學總論]]