截叶悬钩子Rubus tinifolius Wu ex Yü et Lu
截叶悬钩子Rubus tinifolius Wu ex Yü et Lu
108.截叶悬钩子 图版19: 1-3
Rubus tinifolius Wu ex Yu et Lu,植物分类学报20 (4): 454. 1982.
直立或攀援灌木，高达2米；小枝灰褐色，密被浅黄色绒毛状长柔毛，疏生钩状小皮刺。单叶，三角状宽卵形，长7-14厘米，宽4.5-11厘米，顶端渐尖，基部截形，上面沿叶脉有柔毛，下面密被灰白色或浅黄色绒毛，沿叶脉具柔毛，边缘不分裂，稀浅波状，有不整齐粗锯齿，侧脉4-5对；叶柄长2-4厘米，密被浅黄色绒毛状长柔毛和稀疏钩状小皮刺；托叶离生，宽倒卵状，长宽各约8-14毫米，具柔毛，掌状深裂，裂片披针形。顶生花序短，狭圆锥状或近总状，腋生花序近伞房状或数朵簇生；总花梗和花梗有浅黄色绒毛状长柔毛；花梗长约1厘米；苞片与托叶相似；花直径约1厘米；花萼外密被浅黄色长柔毛和绒毛；萼片卵形，顶端急尖，外萼片顶端常分裂，裂片线形或披针形，内萼片全缘，在果期直立；花瓣近圆形，基部有短爪，白色；雄蕊多数，花丝线形，无毛；雌蕊多数，子房无毛，花柱比雄蕊长得多。果实小，包藏在宿萼内；核具皱纹。花期5-6月，果期7-8月。
产云南东南部。生沟边、路边或山谷密林中，海拔1400-1900米。
此种和越南产的R. ochraceus Card.区别在于后者托叶和苞片披针形，长1.2厘米，全缘或分裂；花序长达10厘米，被绒毛，可以区别。
形态特征：直立或攀援灌木，高达2米；小枝灰褐色，密被浅黄色绒毛状长柔毛，疏生钩状小皮 刺。单叶，三角状宽卵形，长7一14厘米，宽4．5—11厘米，顶端渐尖，基部截形，上面沿叶 脉有柔毛，下面密被灰白色或浅黄色绒毛，沿叶脉具柔毛，边缘不分裂，稀浅波状，有不整 齐粗锯齿，侧脉4—5对；叶柄长2—4厘米，密被浅黄色绒毛状长柔毛和稀疏钩状小皮刺； 托叶离生，宽倒卵状，长宽各约8一14毫米，具柔毛，掌状深裂，裂片披针形。顶生花序短， 狭圆锥状或近总状，腋生花序近伞房状或数朵簇生；总花梗和花梗有浅黄色绒毛状长柔． 毛；花梗长约1厘米；苞片与托叶相似；花直径约1厘米；花萼外密被浅黄色长柔毛和绒． 毛；萼片卵形，顶端急尖，外萼片顶端常分裂，裂片线形或披针形，内萼片全缘，在果期直 立；花瓣近圆形，基部有短爪，白色；雄蕊多数，花丝线形，无毛；雌蕊多数，子房无毛；花柱． 比雄蕊长得多。果实小，包藏在宿萼内；核具皱纹。花期5-6月；果期；7-8月
产地分布：产云南东南部。生沟边、路边或山谷密林中，海拔1400-1900米。
本种提示：此种和越南产的R .ochraceus Card，区别在于后者托叶和苞片披针形,长1．2厘米， 全缘或分裂；花序长达10 厘米，被绒毛，可以区别。
亚组概述：Subsect.Elongati (Focke) Yu et Lu,植物分类学报20(4):454.1982.--Sect.Moluccani Focke,Bibl.Bot.72(1):71.1910 et 83:28.1914.p.p.--Sect.Elongati Focke,1.c.72(1):49.1910 et 83:24.1914.p.p.
《Flora of China》 Vol. 9 (2003)
Rubus tinifolius C. Y. Wu ex T. T. Yu & L. T. Lu
截叶悬钩子 jie ye xuan gou zi
Shrubs erect or scandent, to 2 m tall. Branchlets grayish brown or reddish brown, densely yellowish tomentose-villous, with sparse, curved minute prickles. Leaves simple; petiole 2–4 cm, densely yellowish tomentose-villous, with sparse, curved minute prickles; stipules free, broadly obovate, 0.8–1.4 × 0.8–1.4 cm, villous, palmately lobed, lobes lanceolate; blade broadly triangular-ovate, 7–14 × 4.5–11 cm, lateral veins 4 or 5 pairs, abaxially densely gray or yellowish tomentose and intermixed villous along veins, adaxially villous along veins, base truncate, margin undivided, rarely shallowly undulate, irregularly serrate, apex acuminate. Inflorescences terminal or axillary, narrow panicles or subracemes, axillary ones subcorymbose or flowers few in clusters; rachis and pedicels yellowish tomentose-villous; bracts broadly obovate, 7–13 × 6–12 mm, villous, palmately lobed; lobes lanceolate. Pedicel ca. 1 cm. Flowers ca. 1 cm in diam. Calyx abaxially densely yellowish villous, intermixed tomentose; sepals ovate, 5–7 × 3–5 mm, apex acute, outer sepals often divided apically; lobes linear or lanceolate, inner sepals entire, erect in fruit. Petals white, suborbicular, base shortly clawed. Stamens many; filaments linear, glabrous. Pistils much longer than stamens; style and ovary glabrous. Aggregate fruit small, enclosed in calyx; pyrenes rugose, alveolate. Fl. May–Jun, fr. Jul–Aug.
Ravines, roadsides, montane valleys, forests; 1400--2100 m. SE Yunnan.
别名：荚莲叶莓;黄泡;栽秧泡;荚蒾叶莓;
科名：蔷薇科 Rosaceae
属名：悬钩子属 Rubus
108.截叶悬钩子 图版19: 1-3
Rubus tinifolius Wu ex Yu et Lu,植物分类学报20 (4): 454. 1982.
直立或攀援灌木，高达2米；小枝灰褐色，密被浅黄色绒毛状长柔毛，疏生钩状小皮刺。单叶，三角状宽卵形，长7-14厘米，宽4.5-11厘米，顶端渐尖，基部截形，上面沿叶脉有柔毛，下面密被灰白色或浅黄色绒毛，沿叶脉具柔毛，边缘不分裂，稀浅波状，有不整齐粗锯齿，侧脉4-5对；叶柄长2-4厘米，密被浅黄色绒毛状长柔毛和稀疏钩状小皮刺；托叶离生，宽倒卵状，长宽各约8-14毫米，具柔毛，掌状深裂，裂片披针形。顶生花序短，狭圆锥状或近总状，腋生花序近伞房状或数朵簇生；总花梗和花梗有浅黄色绒毛状长柔毛；花梗长约1厘米；苞片与托叶相似；花直径约1厘米；花萼外密被浅黄色长柔毛和绒毛；萼片卵形，顶端急尖，外萼片顶端常分裂，裂片线形或披针形，内萼片全缘，在果期直立；花瓣近圆形，基部有短爪，白色；雄蕊多数，花丝线形，无毛；雌蕊多数，子房无毛，花柱比雄蕊长得多。果实小，包藏在宿萼内；核具皱纹。花期5-6月，果期7-8月。
产云南东南部。生沟边、路边或山谷密林中，海拔1400-1900米。
此种和越南产的R. ochraceus Card.区别在于后者托叶和苞片披针形，长1.2厘米，全缘或分裂；花序长达10厘米，被绒毛，可以区别。
形态特征：直立或攀援灌木，高达2米；小枝灰褐色，密被浅黄色绒毛状长柔毛，疏生钩状小皮 刺。单叶，三角状宽卵形，长7一14厘米，宽4．5—11厘米，顶端渐尖，基部截形，上面沿叶 脉有柔毛，下面密被灰白色或浅黄色绒毛，沿叶脉具柔毛，边缘不分裂，稀浅波状，有不整 齐粗锯齿，侧脉4—5对；叶柄长2—4厘米，密被浅黄色绒毛状长柔毛和稀疏钩状小皮刺； 托叶离生，宽倒卵状，长宽各约8一14毫米，具柔毛，掌状深裂，裂片披针形。顶生花序短， 狭圆锥状或近总状，腋生花序近伞房状或数朵簇生；总花梗和花梗有浅黄色绒毛状长柔． 毛；花梗长约1厘米；苞片与托叶相似；花直径约1厘米；花萼外密被浅黄色长柔毛和绒． 毛；萼片卵形，顶端急尖，外萼片顶端常分裂，裂片线形或披针形，内萼片全缘，在果期直 立；花瓣近圆形，基部有短爪，白色；雄蕊多数，花丝线形，无毛；雌蕊多数，子房无毛；花柱． 比雄蕊长得多。果实小，包藏在宿萼内；核具皱纹。花期5-6月；果期；7-8月
产地分布：产云南东南部。生沟边、路边或山谷密林中，海拔1400-1900米。
本种提示：此种和越南产的R .ochraceus Card，区别在于后者托叶和苞片披针形,长1．2厘米， 全缘或分裂；花序长达10 厘米，被绒毛，可以区别。
亚组概述：Subsect.Elongati (Focke) Yu et Lu,植物分类学报20(4):454.1982.--Sect.Moluccani Focke,Bibl.Bot.72(1):71.1910 et 83:28.1914.p.p.--Sect.Elongati Focke,1.c.72(1):49.1910 et 83:24.1914.p.p.
《Flora of China》 Vol. 9 (2003)
Rubus tinifolius C. Y. Wu ex T. T. Yu & L. T. Lu
截叶悬钩子 jie ye xuan gou zi
Shrubs erect or scandent, to 2 m tall. Branchlets grayish brown or reddish brown, densely yellowish tomentose-villous, with sparse, curved minute prickles. Leaves simple; petiole 2–4 cm, densely yellowish tomentose-villous, with sparse, curved minute prickles; stipules free, broadly obovate, 0.8–1.4 × 0.8–1.4 cm, villous, palmately lobed, lobes lanceolate; blade broadly triangular-ovate, 7–14 × 4.5–11 cm, lateral veins 4 or 5 pairs, abaxially densely gray or yellowish tomentose and intermixed villous along veins, adaxially villous along veins, base truncate, margin undivided, rarely shallowly undulate, irregularly serrate, apex acuminate. Inflorescences terminal or axillary, narrow panicles or subracemes, axillary ones subcorymbose or flowers few in clusters; rachis and pedicels yellowish tomentose-villous; bracts broadly obovate, 7–13 × 6–12 mm, villous, palmately lobed; lobes lanceolate. Pedicel ca. 1 cm. Flowers ca. 1 cm in diam. Calyx abaxially densely yellowish villous, intermixed tomentose; sepals ovate, 5–7 × 3–5 mm, apex acute, outer sepals often divided apically; lobes linear or lanceolate, inner sepals entire, erect in fruit. Petals white, suborbicular, base shortly clawed. Stamens many; filaments linear, glabrous. Pistils much longer than stamens; style and ovary glabrous. Aggregate fruit small, enclosed in calyx; pyrenes rugose, alveolate. Fl. May–Jun, fr. Jul–Aug.
Ravines, roadsides, montane valleys, forests; 1400--2100 m. SE Yunnan.