Chromosome-level genome assembly of <i>Bougainvillea glabra</i>

<i>Bougainvillea. glabra</i> Choisy, a common perennial shrub or climbing vine in tropical and subtropical areas, has significant ornamental and ecological value due to its immensely showy, floriferous blooms and multiple stresses adaptability. In this study, based on PacBio and Hi-C sequencing data, we presented the haplotype-aware, andchromosome-level assembled genomes for <i>B. glabra</i><i> </i>(2n=34). We totally get two haplotypes with genome size from 2,855,692,602 to 2,889,511,499 bp, N50 of 165~167 Mbp, and both anchored to 17 pseudochromosomes with anchor ratio of 97.07% and 97.55% respectively. Through the BUSCO evaluation process, the two assembled haplotypes both exhibited the high score of 96%. By combining the high-confidence different evidence of genome structure annotation pipeline we annotated each haplotypes containing ~33,000 predicted genes, of which 86% were functionally annotated by different databases. These high-quality haplotypes assembly and annotation results will sever as the great genomic resource to help explore the ornamental traits and environmental adaptability and accelerate improvement in future.光叶子花（*Bougainvillea glabra* Choisy）是热带、亚热带地区常见的多年生灌木或攀援藤本，因其花色艳丽、开花繁茂且具备多重胁迫适应性，兼具极高的观赏与生态价值。本研究基于PacBio与Hi-C测序数据，完成了光叶子花（2n=34）的单倍型感知、染色体级别的基因组组装。本研究共获得两个单倍型，基因组大小介于2855692602至2889511499 bp之间，N50值为165~167 Mbp；两个单倍型均锚定至17条假染色体（pseudochromosomes），锚定率分别为97.07%与97.55%。经BUSCO评估，两个组装完成的单倍型均获得了96%的高评分。结合基因组结构注释流程的多组高可信度证据，本研究对两个单倍型分别进行了基因注释，共预测得到约33000个基因，其中86%的基因可通过多个数据库完成功能注释。本研究获得的高质量单倍型组装与注释结果，将作为宝贵的基因组资源，为探究光叶子花的观赏性状与环境适应性提供支撑，并助力未来的品种改良工作。