《中国植物志》|| 忍冬科 CAPRIFOLIACEAE ||杯苞亚组 Subsect. 1. Cupulatae Hsu et H. J. Wang ||棘枝忍冬 Lonicera spinosa Jacq. ex Walp.

9. 棘枝忍冬（新拟）
Lonicera spinosa Jacq. ex Walp. Repert. Bot. Syst. 2: 449. 1843; Rehd. Syn Lonicera 48. 1903, et Bibl. Cult. Trees and Shrubs 615. 1949. ——Xylosteum spinosum Decne. in Jacq. Vog. 1’Inde 4: 78, t. 86. 1855. ——Caprifolium spinosum O. Ktze Rev. Gen. Pl. 1: 274. 1891.
落叶矮灌木，高达0.6米，常具坚硬、刺状、无叶的小枝；当年小枝被肉眼难见的微糙毛。冬芽有数对鳞片。叶对生，条形至条状矩圆形，短枝上的叶常较宽而呈矩圆形或倒卵形，长4-12毫米，宽1-2毫米，顶端钝，基部宽楔形至圆形，边缘背卷，除叶缘有时略具微糙毛外均无毛；叶柄极短，边缘略有微糙毛。花生于短枝上叶腋，总花梗极短；苞片叶状，条形至条状矩圆形，长常超过萼齿；杯状小苞顶端近截形，常浅2裂，长为萼筒的1/2以上；相邻两萼筒分离，萼檐杯状，长约1.5毫米，萼齿圆卵形，顶钝；花冠初时淡紫红色，后变白色，筒状漏斗形，筒细，长约9毫米，裂片卵状矩圆形，长约4毫米；花丝生于花冠筒口稍下处，花药伸出花冠筒外，与花丝等长；花柱伸出。果实椭圆形，长约5毫米。花期6-7月。
产西藏西南部和西北部。生于冰碛丘陵灌丛中或石砾堆上，常与锦鸡儿属 Garagana 植物混生，海拔3700-4600米。克什米尔也有分布。

《Flora of China》|| Caprifoliaceae || Lonicera ||棘枝忍冬 Lonicera spinosa

5. Lonicera spinosa (Decaisne) Jacquemont ex Walpers, Repert. Bot. Syst. 2: 449. 1843.

棘枝忍冬 ji zhi ren dong

Xylosteon spinosum Decaisne in Jacquemont, Voy. Inde 4(Bot.): 78. 1841; Caprifolium spinosum (Decaisne) Kuntze; Lonicera albertii Regel.

Shrubs, dwarf, to 60 cm tall, deciduous, often with spinelike, leafless branchlets. Bark splitting. Branches with solid pith. Winter buds with few scales. Leaves opposite; petiole ca. 1 mm; leaf blade linear to oblong, 4-15 × 1-2 mm, glabrous, base broadly cuneate to rounded, margin revolute, apex obtuse. Paired flowers fragrant, axillary at bases of lateral young branches; peduncle to 1 mm; bracts leaflike, longer than ovary; bracteoles cupular, more than 1/2 as long as ovary, apex subtruncate, often 2-lobed. Neighboring 2 ovaries free. Calyx cupular, ca. 1.5 mm; lobes ovate, apex obtuse. Corolla purplish red, later white, tubular-funnelform; tube ca. 10 mm, slender; lobes spreading, ovate-oblong, ca. 4 mm. Stamens inserted at mouth of corolla; anthers exserted. Style exserted. Berry pale violet to white, ellipsoid, ca. 5 mm. Fl. Jun-Jul, fr. Sep.

Scrub, scree slopes, often mixed with Caragana plants; 1700-4600 m. Xinjiang, Xizang [Afghanistan, India, Kashmir, Kazakhstan, Kyrgyzstan, Tajikistan].