Jasminum ex/ensum以往的分布紀錄在印度、中國南方及泰國，本文報導了在越南首 次發現的新分布紀錄。本種可從革質狀的葉及由中肋延伸的5-6條主脈辨認並與其相近種 Jasminum p/+errea册m區分開來。本文一併提供分類、型態、棲地、生態與標本資訊以及圖 片以供物種鑑定。

One rare, poorly known species from India, South China and Thailand - Jasminum extensum Wall. ex G. Don is recently discovered in Vietnam representing a new record to the flora of the country. The plant differs from its closely related species viz. Jasminum pierreanum in having coriaceous leaves and 5-6 primary veins in each side of the mid-rib. Detailed information on taxonomy, types, morphology, habitat, ecology, distribution and studied voucher specimens, as well as illustrations are provided here for species identification.