Understanding a species' reproductive biology, which encompasses floral biology, pollination biology, and breeding system, is necessary for the restoration of endangered plant species. Buchanania lanzan is a vulnerable evergreen tree in IUCN Red Data Book due to excessive deforestation and over-exploitation. Light and scanning electron microscopy and histochemical analysis were used to study floral and pollination biology. Experiments were conducted to study floral and pollination biology, including pollen viability, stigma receptivity, and pollen-pistil interactions. Bisexual, pentamerous, complete yellowish-white flowers have an annual growth of 11 months and are arranged in terminal and axillary panicles. Anthers dehisce between 10.30 and noon, 9–10 h after anthesis. Stigmas were receptive at the time of anther dehiscence and remained receptive for two days. The flowers contain sucrose-rich nectar and emit a mild scent to attract visitors, including Musca domestica, Apis cerena indica, and black ants. None of these visitors appeared to be an effective pollinator. The results of pollination trials showed that the species outcrosses with low levels of selfing. Cross-pollinated flowers had a higher percentage of fruit sets (74.4 %) compared to self-pollinated (43.4 %) and open (3 %). The index of self-incompatibility (ISI) indicates partial self-incompatibility. Due to the probable loss of pollinators or the lack of efficient pollinators, the natural population of B. lanzan has not yet been restored. To achieve the required fruit or seed set cross-pollination facilitated by humans would be a feasible technique. Therefore, to prevent the extinction of this species, human management is required in terms of cross-pollination. As a result, the scientific knowledge produced by the current study may prove helpful in various breeding initiatives and the preservation of this medicinal plant species. Further, this knowledge forms the basis for taking measures for the conservation and management of forests.

了解物种的生殖生物学，包括花卉生物学、授粉生物学和育种系统，对于恢复濒危植物物种是必要的。由于过度砍伐和过度开发，Buchanania lanzan在 IUCN 红色数据书中是一种脆弱的常绿乔木。使用光学和扫描电子显微镜以及组织化学分析来研究花和授粉生物学。进行实验是为了研究花和授粉生物学，包括花粉活力、柱头可接受性和花粉-雌蕊相互作用。两性，五聚体，完整的黄白色花，每年生长11个月，排列成顶生和腋生圆锥花序。花药在 10.30 至中午（开花后 9-10 小时）之间裂开。柱头在花药开裂时即可接受并保持两天。这些花含有富含蔗糖的花蜜，散发出温和的气味来吸引包括家蝇、蜜蜂和黑蚂蚁在内的游客。这些访客似乎都不是有效的传粉者。授粉试验的结果表明，该物种以低水平的自交进行异型杂交。与自花授粉 (43.4%) 和开放 (3%) 相比，异花授粉的坐果率 (74.4%) 更高。自交不亲和指数（ISI）表示部分自交不亲和。由于传粉媒介可能丧失或缺乏有效的传粉媒介，B. lanzan的自然种群尚未恢复。为了获得所需的果实或种子，由人类促进的异花授粉将是一种可行的技术。因此，为了防止该物种灭绝，需要在异花授粉方面进行人类管理。因此，当前研究产生的科学知识可能有助于各种育种计划和这种药用植物物种的保存。此外，这些知识构成了采取森林保护和管理措施的基础。