羊踯躅Rhododendron molle (Blum) G. Don
羊踯躅Rhododendron molle (Blum) G. Don
274. 羊踯躅(神农本草经)黄杜鹃(本草蒙荃),闹羊花(本草纲目),羊不食草(本草拾遗),玉枝(名医别录)图版122: 1-4
Rhododendron molle (Blum) G. Don, Gen. Syst. 3: 846. 1834; Wils. in Wils. et Rehd. , Monog. Azal. 95. 1921 et in Journ. Arn. Arb. 8: 184. 1927; Rehd. in Stevenson, Spec, Rhodod. 64. 1930; Fang in Journ. Bot. Soc. China 2(2): 604-605. 1935 et in Contr. Biol. Lab. Sci. Soc. China Bot. 12: 5. 1939; 陈嵘, 中国树木分类学954-955. 1937; 中国高等植物图鉴3: 144. 图4241. 1974; M. N. Philip. et W. R. Philip. in Not. Bot. Gard. Edinb. 40: 226. 1982; 华南杜鹃花志 26. 1983; 云南植物志4: 446. 1986; 中国四川杜鹃花327. 1986.——Azalea mollis Blume in Cat. Gewass. Buitenz, 44. 1823.——Azalea sinensis Lodd. Bot. Cab. 9: t. 885. 1824.——R. sinensis (Lodd. ) Sweet in Brit. Fl. Gard. Ser., l 3:t. 290. 1829.
落叶灌木,高0.5-2米;分枝稀疏,枝条直立,幼时密被灰白色柔毛及疏刚毛。叶纸质,长圆形至长圆状披针形,长5-11厘米,宽1.5-3.5厘米,先端钝,具短尖头,基部楔形,边缘具睫毛,幼时上面被微柔毛,下面密被灰白色柔毛,沿中脉被黄褐色刚毛,中脉和侧脉凸出;叶柄长2-6毫米,被柔毛和少数刚毛;总状伞形花序顶生,花多达13朵,先花后叶或与叶同时开放;花梗长1-2.5厘米,被微柔毛及疏刚毛;花萼裂片小,圆齿状,被微柔毛和刚毛状睫毛;花冠阔漏斗形,长4.5厘米,直径5-6厘米,黄色或金黄色,内有深红色斑点,花冠管向基部渐狭,圆筒状,长2.6厘米,外面被微柔毛,裂片5,椭圆形或卵状长圆形,长2.8厘米,外面被微柔毛;雄蕊5,不等长,长不超过花冠,花丝扁平,中部以下被微柔毛;子房圆锥状,长4毫米,密被灰白色柔毛及疏刚毛,花柱长达6厘米,无毛。蒴果圆锥状长圆形,长2.5-3.5厘米,具5条纵肋,被微柔毛和疏刚毛。花期3-5月,果期7-8月。
产江苏、安徽、浙江、江西、福建、河南、湖北、湖南、广东、广西、四川、贵州和云南。生于海拔1000米的山坡草地或丘陵地带的灌丛或山脊杂木林下。
本种因叶较大,密被灰白色微柔毛及疏刚毛;花冠大,黄色或金黄色,极易识别。▽本种为著名的有毒植物之一。“神农本草”及“植物名实图考”把它列入毒草类,可治疗风湿性关节炎,跌打损伤。民间通常称“闹羊花”。植物体各部含有闹羊花毒素(rhodo japonin)和马醉木毒素(asebotoxin), ericolin和andromedotoxin等成份,误食令人腹泻,呕吐或痉挛;羊食时往往踯躅而死亡,故此得名。近年来在医药工业上用作麻醉剂、镇疼药;全株还可做农药。
形态特征:落叶灌木,高达1.5米。老茎近无毛,嫩枝、叶、花和冬芽幸免被长柔毛。叶互生,椭圆状披针形,长5-10厘米,宽2-4厘米,先端急尖,基部楔形,边缘有刺状缘毛,常外卷,下面密被柔毛;叶柄长2-3毫米,有柔毛。花数朵或很多密集枝端,排成短总状花序,先花后叶或与叶同时开入;花萼5裂,裂片半圆形至三角形,边缘有长缘毛;花冠钟状漏斗形,金黄色,直径5-6厘米,5裂,裂瓣椭圆状卵形,反曲,上端钝和微凹,外面有绒毛,上面一瓣较大,有绿色斑点;雄蕊5枚,稍长于花冠军,花药顶孔裂;子房上位,有灰色长毛;花柱细长,柱头头状。蒴果圆柱状长圆形,红棕色,有宿存花萼和花柱,有细绒毛和稀疏的硬毛。花期4-5月,果期7-8月。
分 布:罗田、麻城、红安、阳新
生 境:低山丘陵的山坡、路边和林缘
繁殖方式:种子
习 性:阳生
药用部位:果实
药用功能:祛风除湿、活血行瘀、麻醉止痛
药用主治:用于跌打损伤、风湿痹痛
《Flora of China》 Vol. 14 (2005)
Rhododendron molle (Blume) G. Don
羊踯躅 yang zhi zhu
Shrubs, 0.5–2 m tall; branches densely gray-white-pubescent, also sparsely setose when young. Petiole 2–6 mm, puberulent and ± setose; leaf blade papery, oblong to oblong-lanceolate, 5–11 × 1.5–3.5 cm; base cuneate; margin ciliate; apex obtuse and mucronate; abaxial surface densely gray-white-pubescent, yellow-brown setose along midrib; adaxial surface sparsely to densely puberulent when young. Inflorescence terminal, racemose-umbellate: flowers opening before or with the leaves; many-flowered. Pedicel 1–2.5 cm, pubescent and sparsely setose; calyx lobes small, rounded, pubescent and setose-ciliate; corolla broadly funnelform, yellow or golden yellow, with dark red flecks on lobes, ca. 4.5 × 5–6 cm; tube cylindric, tapering towards base, ca. 26 mm wide, outer surface puberulent; lobes 5, elliptic or ovate-oblong, ca. 2.8 cm, puberulent on outer surface; stamens 5, unequal; filaments flat, puberulent below; ovary conical, ca. 4 mm, densely gray-white-pubescent, also sparsely setose; style to 6 cm, glabrous. Capsule conical-cylindric, 5-ribbed, 25–35 mm, puberulent and sparsely setose. Fl. Mar–May, fr. Jul–Aug.
Pinus forests, thickets on mountain slopes, exposed grassy hillsides, ridges; near sea level to 2500 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Sichuan, Yunnan, Zhejiang.
Kron (Edinburgh J. Bot. 50: 279. 1993) treated Rhododendron japonicum A. Gray as R. molle subsp. japonicum (A. Gray) Kron. This taxon differs from subsp. molle in its more densely hairy fruit and yellow to orange-red flowers. It is restricted to Japan.
别名:黄色映心红;映山黄;老虎花;一杯倒;黄牯牛花;八厘麻;八里麻;毛老虎;黄杜鹃;黄花杜鹃;黄喇叭花;黄踯躅;惊羊草;惊羊花;隔羊花;羊踯鹃;雷公花;黄花女;老鸦花;羊不食草;六轴子;豹狗花;老羊婆花;水云花;羊蹄躅;一杯醉;玉枝;闷头花;羊不食;闹头花;牛不食;三钱三;搜山虎;山茶花;闹羊花;
科名:杜鹃花科 Ericaceae
属名:杜鹃属 Rhododendron
274. 羊踯躅(神农本草经)黄杜鹃(本草蒙荃),闹羊花(本草纲目),羊不食草(本草拾遗),玉枝(名医别录)图版122: 1-4
Rhododendron molle (Blum) G. Don, Gen. Syst. 3: 846. 1834; Wils. in Wils. et Rehd. , Monog. Azal. 95. 1921 et in Journ. Arn. Arb. 8: 184. 1927; Rehd. in Stevenson, Spec, Rhodod. 64. 1930; Fang in Journ. Bot. Soc. China 2(2): 604-605. 1935 et in Contr. Biol. Lab. Sci. Soc. China Bot. 12: 5. 1939; 陈嵘, 中国树木分类学954-955. 1937; 中国高等植物图鉴3: 144. 图4241. 1974; M. N. Philip. et W. R. Philip. in Not. Bot. Gard. Edinb. 40: 226. 1982; 华南杜鹃花志 26. 1983; 云南植物志4: 446. 1986; 中国四川杜鹃花327. 1986.——Azalea mollis Blume in Cat. Gewass. Buitenz, 44. 1823.——Azalea sinensis Lodd. Bot. Cab. 9: t. 885. 1824.——R. sinensis (Lodd. ) Sweet in Brit. Fl. Gard. Ser., l 3:t. 290. 1829.
落叶灌木,高0.5-2米;分枝稀疏,枝条直立,幼时密被灰白色柔毛及疏刚毛。叶纸质,长圆形至长圆状披针形,长5-11厘米,宽1.5-3.5厘米,先端钝,具短尖头,基部楔形,边缘具睫毛,幼时上面被微柔毛,下面密被灰白色柔毛,沿中脉被黄褐色刚毛,中脉和侧脉凸出;叶柄长2-6毫米,被柔毛和少数刚毛;总状伞形花序顶生,花多达13朵,先花后叶或与叶同时开放;花梗长1-2.5厘米,被微柔毛及疏刚毛;花萼裂片小,圆齿状,被微柔毛和刚毛状睫毛;花冠阔漏斗形,长4.5厘米,直径5-6厘米,黄色或金黄色,内有深红色斑点,花冠管向基部渐狭,圆筒状,长2.6厘米,外面被微柔毛,裂片5,椭圆形或卵状长圆形,长2.8厘米,外面被微柔毛;雄蕊5,不等长,长不超过花冠,花丝扁平,中部以下被微柔毛;子房圆锥状,长4毫米,密被灰白色柔毛及疏刚毛,花柱长达6厘米,无毛。蒴果圆锥状长圆形,长2.5-3.5厘米,具5条纵肋,被微柔毛和疏刚毛。花期3-5月,果期7-8月。
产江苏、安徽、浙江、江西、福建、河南、湖北、湖南、广东、广西、四川、贵州和云南。生于海拔1000米的山坡草地或丘陵地带的灌丛或山脊杂木林下。
本种因叶较大,密被灰白色微柔毛及疏刚毛;花冠大,黄色或金黄色,极易识别。▽本种为著名的有毒植物之一。“神农本草”及“植物名实图考”把它列入毒草类,可治疗风湿性关节炎,跌打损伤。民间通常称“闹羊花”。植物体各部含有闹羊花毒素(rhodo japonin)和马醉木毒素(asebotoxin), ericolin和andromedotoxin等成份,误食令人腹泻,呕吐或痉挛;羊食时往往踯躅而死亡,故此得名。近年来在医药工业上用作麻醉剂、镇疼药;全株还可做农药。
形态特征:落叶灌木,高达1.5米。老茎近无毛,嫩枝、叶、花和冬芽幸免被长柔毛。叶互生,椭圆状披针形,长5-10厘米,宽2-4厘米,先端急尖,基部楔形,边缘有刺状缘毛,常外卷,下面密被柔毛;叶柄长2-3毫米,有柔毛。花数朵或很多密集枝端,排成短总状花序,先花后叶或与叶同时开入;花萼5裂,裂片半圆形至三角形,边缘有长缘毛;花冠钟状漏斗形,金黄色,直径5-6厘米,5裂,裂瓣椭圆状卵形,反曲,上端钝和微凹,外面有绒毛,上面一瓣较大,有绿色斑点;雄蕊5枚,稍长于花冠军,花药顶孔裂;子房上位,有灰色长毛;花柱细长,柱头头状。蒴果圆柱状长圆形,红棕色,有宿存花萼和花柱,有细绒毛和稀疏的硬毛。花期4-5月,果期7-8月。
分 布:罗田、麻城、红安、阳新
生 境:低山丘陵的山坡、路边和林缘
繁殖方式:种子
习 性:阳生
药用部位:果实
药用功能:祛风除湿、活血行瘀、麻醉止痛
药用主治:用于跌打损伤、风湿痹痛
《Flora of China》 Vol. 14 (2005)
Rhododendron molle (Blume) G. Don
羊踯躅 yang zhi zhu
Shrubs, 0.5–2 m tall; branches densely gray-white-pubescent, also sparsely setose when young. Petiole 2–6 mm, puberulent and ± setose; leaf blade papery, oblong to oblong-lanceolate, 5–11 × 1.5–3.5 cm; base cuneate; margin ciliate; apex obtuse and mucronate; abaxial surface densely gray-white-pubescent, yellow-brown setose along midrib; adaxial surface sparsely to densely puberulent when young. Inflorescence terminal, racemose-umbellate: flowers opening before or with the leaves; many-flowered. Pedicel 1–2.5 cm, pubescent and sparsely setose; calyx lobes small, rounded, pubescent and setose-ciliate; corolla broadly funnelform, yellow or golden yellow, with dark red flecks on lobes, ca. 4.5 × 5–6 cm; tube cylindric, tapering towards base, ca. 26 mm wide, outer surface puberulent; lobes 5, elliptic or ovate-oblong, ca. 2.8 cm, puberulent on outer surface; stamens 5, unequal; filaments flat, puberulent below; ovary conical, ca. 4 mm, densely gray-white-pubescent, also sparsely setose; style to 6 cm, glabrous. Capsule conical-cylindric, 5-ribbed, 25–35 mm, puberulent and sparsely setose. Fl. Mar–May, fr. Jul–Aug.
Pinus forests, thickets on mountain slopes, exposed grassy hillsides, ridges; near sea level to 2500 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Sichuan, Yunnan, Zhejiang.
Kron (Edinburgh J. Bot. 50: 279. 1993) treated Rhododendron japonicum A. Gray as R. molle subsp. japonicum (A. Gray) Kron. This taxon differs from subsp. molle in its more densely hairy fruit and yellow to orange-red flowers. It is restricted to Japan.
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