Description from Flora of China
Jasminum officinale Linnaeus var. grandiflorum (Linnaeus) Stokes; J. officinale f. grandiflorum (Linnaeus) Kobuski.
Shrubs scandent, 2-4 m. Branchlets terete, angular or grooved. Leaves opposite, pinnatipartite or compound with 5-9 leaflets; petiole 0.5-4 cm; leaflet blade ovate or narrowly so (terminal one usually narrowly rhomboid), 0.7-3.8 × 0.5-1.5 cm, base cuneate or blunt, apex acute, acuminate, or blunt, sometimes mucronate. Cymes terminal or axillary, 2-9-flowered; bracts linear, 2-3 mm. Pedicel 0.5-2.5 cm, middle pedicel of cymes conspicuously shorter. Calyx glabrous; lobes subulate-linear, (3-)5-10 mm. Corolla white, salverform; tube 1.3-2.5 cm; lobes often 5, oblong, 1.3-2.2 cm. Fruit not seen. Fl. Aug-Oct. 2n = 26*.
Cultivated in warm and tropical countries for its fragrant flowers.
Widely grown in Sichuan, Yunnan [native of Arabia]