栏目

白花悬钩子Rubus leucanthus Hance

白花悬钩子Rubus leucanthus Hance

别名:大叶温垚;南蛇簕;白钩簕籐;白钩簕藤;吊杆泡;巨花悬钩子;白花簕藤;白钩簕子;泡藤;

科名:蔷薇科 Rosaceae

属名:悬钩子属 Rubus

《中国植物志》第37卷103页
  65.白花悬钩子 (广州植物志) 白钩簕藤、南蛇簕 (广东海南)
  Rubus leucanthus Hance in Walp. Ann. Bot. Syst. 2: 468. 1852; Benth. Fl. Hongk. 105. 1861; Focke, Bibl. Bot. 72 (2): 148. 1911; Card. in Fl. Gen. lndo——Chine 2: 642. 1920; Hand.-Mazz. Symb. Sin. 7: 499. 1933;广州植物志291.1956;中国高等植物图鉴2: 273. 图2276. 1972. ——R. glaberrimus Champ. in Hook. Kew. Journ. Bot. 4: 80: 1852. ——R. paradoxus Moore in Journ. Bot. 7: 132. 1878. ——R. leucanthus Hance var.villosulus Card. in Lecomte, Not. Syst. 3: 306. 1914. ——R. leucanthus Hance var. paradoxus (Moore) Metc. in Lingn. Sci. Journ. 19: 30. 1940. syn. nov.
  攀援灌木,高1-3米;枝紫褐色,无毛,疏生钩状皮刺。小叶3枚,生于枝上部或花序基部的有时为单叶,革质,卵形或椭圆形,顶生小叶比侧生者稍长大或几相等,长4-8厘米,宽2-4厘米,顶端渐尖或尾尖,基部圆形,两面无毛,侧脉5-8对,或上面稍具柔毛,边缘有粗单锯齿;叶柄长2-6厘米,顶生小叶柄长1.5-2厘米,侧生小叶具短柄,均无毛,具钩状小皮刺;托叶钻形,无毛。花3-8朵形成伞房状花序,生于侧枝顶端,稀单花腋生;花梗长0.8-1.5厘米,无毛;苞片与托叶相似;花直径1-1.5厘米;萼片卵形,顶端急尖并具短尖头,内萼片边缘微被绒毛,在花果时均直立开展;花瓣长卵形或近圆形,白色,基部微具柔毛,具爪,与萼片等长或稍长;雄蕊多数,花丝较宽扁;雌蕊通常70-80,有时达100或更多,花柱和子房无毛或仅于子房顶端及花柱基部具柔毛;花托中央突起部分近球形,基部无柄或几无柄。果实近球形,直径1-1.5厘米,红色,无毛,萼片包于果实;核较小,具洼穴。花期4-5月,果期6-7月。
  产湖南、福建、广东、广西、贵州、云南。在低海拔至中海拔疏林中或旷野常见。越南、老挝、柬埔寨、泰国也有分布。
  果可供食用;根治腹泻、赤痢。
  此种和小柱悬钩子R. columellaris Tutcher相近,但后者叶片椭圆形或长卵状披针形,萼片于果期常反折;花瓣比萼片长得多;雌蕊数多达300;花托基部具长达5毫米的柄。
形态特征:攀援灌木,高1—3米;枝紫褐色,无毛,疏生钩状皮刺。小叶3枚,生于枝上部或花序 基部的有时为单叶,革质,卵形或椭圆形,顶生小叶比侧生者稍长大或几相等,长4—8厘 米,宽2—4厘米,顶端渐尖或尾尖,基部圆形,两面无毛,侧脉5—8对,或上面稍具柔毛, 边缘有粗单锯齿;叶柄长2—6厘米,顶生小叶柄长1.5—2厘米,侧生小叶具短柄,均无 毛,具钩状小皮刺;托叶钻形,无毛。花3—8朵形成伞房状花序,生于侧枝顶端,稀单花腋 生;花梗长0.8一1.5厘米,无毛;苞片与托叶相似;花直径1—1.5厘米;萼片卵形,顶端急 尖并具短尖头,内萼片边缘微被绒毛,在花果时均直立开展;花瓣长卵形或近圆形,白色, 基部微具柔.毛,具爪,与萼片等长或稍长;雄蕊多数,花丝较宽扁;雌蕊通常70—80,有时 达100或更多,花柱和子房无毛或仅于子房顶端及花柱基部具柔毛;花托中央突起部分近 球形,基部无柄或几无柄。果实近球形,直径1—1.5厘米,红色,无毛,萼片包于果实;核 较小,具洼穴。 花期4—5月,果期6一7月。
用    途:果可供食用;根治腹泻、赤痢。
产地分布:产湖南、福建、广东、广西、贵州、云南。在低海拔至中海拔疏林中或旷野常见。越南、, 老挝、柬埔寨、泰国也有分布。
本种提示:此种和小柱悬钩子R.Columellaris Tutcher相近,但后者叶片椭圆形或长卵状披针 形,萼片于果期常反折;花瓣比萼片长得多;雌蕊数多达300;花托基部具长达5.毫米的 柄。
参考文献:Rubus leueanthus Hance in Walp.Ann.Pot.Syst.2:468.1852;Benth.F1.Hongk. 105.1861;Focke,Bibl.Bot.72(2):148.1911; Card.In F1·.Gdn.Indo-Chine 2:642: 1920;Hand.·Mazz.Symb.Sin.7:499.1933;广州植物志291.1956;·中国高等植物图鉴 2:273. 图2276.1972.——R.Glaberrimus Champ·in Hook.Kew.Journ.Bot.4:80: 1852.——R·paradoxus Moore in Journ.Bot.7:132.1878.——R.Leucanthus Hance var. Villosulus Card.In Lecomte,Not.Syst.3:306.1914.——R.1eucanthus Hance var.Paradoxus (Moore)Metc.In Lingn.Sci.Journ.19:30.1940.Syn.Nov.
亚组概述:Subsect.Leucanthi.(Focke)Yu ct Lu,植物分类学报20(3): 303.1982.——Sect.Leucanthi Focke,Bibl.Bot.72(2):146.1911 et 83:37.1914.P.P. 本亚组有下列7种。

《Flora of China》 Vol. 9 (2003)
Rubus leucanthus  Hance
白花悬钩子   bai hua xuan gou zi
Rubus glaberrimus Champion ex Bentham; R. leucanthus var. paradoxus (S. Moore) F. P. Metcalf; R. leucanthus var. villosulus Cardot; R. paradoxus S. Moore.
Shrubs climbing, 1–3 m tall. Branchlets brown to purplish brown, glabrous, with sparse, curved prickles. Leaves imparipinnate, 3-foliolate, sometimes simple apically on branchlets or basally in inflorescences; petioles 2–6 cm, petiolule of terminal leaflet 1.5–2 cm, lateral leaflets shortly petiolulate, glabrous, with curved minute prickles; stipules subulate, 4–6 mm, glabrous; blade of leaflets ovate or ovate-elliptic, 4–8 × 2–4 cm, terminal leaflet slightly longer than or nearly as long as lateral leaflets, leathery, lateral veins 5–8 pairs, raised abaxially, impressed adaxially, both surfaces glabrous or adaxially slightly soft hairy, base rounded, margin sharply coarsely serrate, apex acuminate to caudate. Inflorescences terminal on lateral short branchlets, corymbose, 3–5 cm, 3–8-flowered, rarely flowers solitary in leaf axils; rachis and pedicels glabrous; bracts subulate, 3–5 mm, glabrous. Pedicel 0.8–1.5 cm. Flowers 1–1.5 cm in diam. Calyx abaxially glabrous; sepals erect, ovate, 4–7 × 3–5 mm, apex acute, shortly pointed, inner sepals with tomentose margin. Petals white, narrowly ovate or suborbicular, nearly as long as or slightly longer than sepals, base puberulous, clawed. Stamens many, somewhat shorter than petals; filaments broadened and flattened. Pistils usually 70–80, sometimes to 100 or more; style and ovary glabrous or pilose only at ovary apex and style base; torus basally subsessile or sessile. Aggregate fruit red, subglobose, 1–1.5 cm in diam., glabrous, enclosed in calyx; pyrenes foveolate. Fl. Apr–May, fr. Jun–Jul.
Sparse forests, waste places; 1000--2500 m. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Yunnan [Cambodia, Laos, Thailand, Vietnam].
The edible fruit and roots are used medicinally.

TOP