加州大学圣克鲁斯分校植物园（UC Santa Cruz Arboretum & Botanic Garden）建立于1964年，坐落于加州蒙特雷湾畔的大学校园内，占地115英亩。这座植物园以保护地球上最原始的被子植物Amborella trichopoda著称，同时拥有全球规模最大的澳大利亚植物收藏之一以及丰富的新西兰和南非特色植物收藏。植物园的使命是保护、培育、分享植物世界，构建韧性，赋权社区守护所有生命。每年吸引超过20,000名访客，拥有1,000余名会员，是加州中部海岸地区最重要的植物研究与教育机构之一。
历史沿革与地理环境
植物园创建于1964年，选址于加州大学圣克鲁斯分校校园内，俯瞰蒙特雷湾。校园地处北加州与南加州过渡地带，受太平洋海风影响，形成独特的温和海洋性气候，年均温度适中，夏季凉爽，冬季温暖，为引种栽培亚热带、热带及温带植物提供了得天独厚的条件。植物园在创建之初便确立了以植物引种驯化、保护收藏和科学研究为核心的发展方向，并在随后数十年间逐步建立起澳大利亚、新西兰、南非及加州本土植物等专题收藏体系。凭借紧邻校园的学术优势，植物园发展成为集教学、科研、保护与公众教育于一体的综合性机构。
核心收藏与特色植物
植物园的核心收藏涵盖多个全球瞩目焦点。其中最具科学价值的是Amborella trichopoda活体收藏——这一被视为地球上最原始被子植物的活化石，是研究被子植物起源与早期演化的关键材料。澳大利亚植物收藏是植物园的旗舰收藏，保存超过2,000种澳大利亚植物，是全球最大规模之一，涵盖桉树、桃金娘科、山龙眼科等代表性类群。Dudleya属多肉植物收藏同样享誉国际，是全球最大收藏机构之一，该属植物主要分布于加州及墨西哥干旱地区，以其莲座状形态和鲜艳花序著称。此外，裸子植物收藏（含苏铁、银杏、南洋杉等）也是重要研究资源，用于比较系统学与保护生物学研究。
Edward D. Landels新西兰花园建立于1984年，占地开阔，种植着大量新西兰特有植物，其中约85%为该国独有的植物物种，展现了新西兰独特的岛屿植物区系特征。大型南非山龙眼科（Proteaceae）收藏同样引人注目，包括帝王花、银树等冬季盛花的特色种类，在蒙特雷湾温和气候下生长繁茂、景观效果出众。蝴蝶园与观鸟活动为访客提供近距离观察传粉昆虫与鸟类的机会，增添了生态教育的互动体验。
研究基础设施与保护体系
植物园建立了完善的研究设施与数据平台。种子银行设施保存超过100万粒种子，涵盖200余个物种，其中许多是首次进入保护收藏的濒危或稀有植物。种子银行开展系统性的种子活力测试与储藏寿命研究，为迁地保护提供科学依据。植物园参与California Plant Rescue（CaPR）保护收藏数据库和Center for Plant Conservation（CPC）国家数据库的建设与数据共享，与全美保护机构协作推进植物多样性保护网络。
植物园的活体收藏同时作为分子系统学研究的实验材料，研究人员利用新鲜叶片和DNA样本进行系统发育分析，揭示物种间亲缘关系。此外，民族植物学与传统生态知识记录项目与Amah Mutsun原住民社区合作，系统记录原住民传统植物利用知识与可持续管理实践。植物园还参与北加州植被制图项目以及火灾后原生植物监测研究，为区域生态恢复与适应性管理提供数据支撑。
Elvenia J. Slosson研究花园建立于1978年，专门用于测试和评价澳大利亚观赏植物在加州沿海气候条件下的适应性，为园艺推广和景观应用提供实验依据。”未来花园”（Garden of the Future）艺术科学合作项目由知名生态艺术家Harrison夫妇主持，将生态恢复、气候变化与社区参与主题融入艺术创作与公众对话，探索植物园在环境素养与文化创新中的独特角色。
教育项目与社区参与
植物园为不同群体提供丰富多元的教育服务。学生体验式学习项目将课堂延伸至户外田野，学生可在活体实验室与户外教室中开展植物识别、生态调查和科学研究。环境管理培训课程面向专业人士与高级学员，传授保护生物学、生态恢复与可持续景观管理的理论与实践技能。本土植物园艺与恢复支持项目帮助社区居民学习原生植物园艺技术，参与居住区及公共空间的生态恢复行动。
社区参与与志愿者项目是植物园公众服务的核心组成，热心市民可加入导览讲解、园艺维护、种子处理、数据录入等志愿岗位。植物园还开展加州博物学家培训课程，培养具备植物学、动物学、生态学综合知识的自然解说人才，提升公众对本土生物多样性的认知与保护意识。
基本信息
官方网站：https://arboretum.ucsc.edu
建立年份：1964年
园区面积：115英亩
植物科数：300余科
年访客量：20,000余人次
澳大利亚植物种数：2,000余种
种子银行储量：100万粒以上（涵盖200余物种）
会员人数：1,000余名
English Version:
UC Santa Cruz Arboretum & Botanic Garden – A World Hub for Primitive Angiosperms and Australasian Plant Collections
The UC Santa Cruz Arboretum & Botanic Garden was established in 1964 and is located on the campus of the University of California, Santa Cruz, overlooking Monterey Bay. Covering 115 acres, this garden is renowned for its living collection of Amborella trichopoda—the most primitive angiosperm on Earth—while also housing one of the largest Australian plant collections globally, along with extensive New Zealand and South African collections. The garden’s mission is to protect, cultivate, and share the plant world, building resilience and empowering communities to safeguard all life. With more than 20,000 visitors annually and over 1,000 members, it stands as one of the most important plant research and education institutions on California’s central coast.
History and Geographic Setting
The arboretum was founded in 1964 on the campus of the University of California, Santa Cruz, with views over Monterey Bay. Situated at the transitional zone between Northern and Southern California, the campus benefits from Pacific Ocean influences that create a unique mild maritime climate—cool summers and warm winters—providing exceptional conditions for cultivating subtropical, tropical, and temperate plants. From its inception, the arboretum established core directions in plant introduction, domestication, conservation collections, and scientific research, gradually building specialized collections of Australian, New Zealand, South African, and California native plants over subsequent decades. Leveraging its proximity to academic resources, the arboretum has evolved into a comprehensive institution integrating education, research, conservation, and public outreach.
Core Collections and Notable Plants
The arboretum’s core collections encompass several globally significant focus areas. Of the greatest scientific value is the living collection of Amborella trichopoda—a living fossil considered the most primitive angiosperm on Earth, serving as a critical resource for studying the origin and early evolution of flowering plants. The Australian plant collection is the arboretum’s flagship, preserving more than 2,000 species, making it one of the largest globally, and encompassing representative groups such as eucalypts, Myrtaceae, and Proteaceae. The Dudleya succulent collection is equally renowned internationally as one of the largest institutional collections globally; these succulents are primarily distributed across California and Mexico’s arid regions, celebrated for their rosette forms and vibrant inflorescences. Additionally, the gymnosperm collection—including cycads, Ginkgo, and araucarias—serves as an important resource for comparative systematics and conservation biology research.
The Edward D. Landels New Zealand Garden, established in 1984, spans a generous area planted with extensive New Zealand endemics, approximately 85% of which are species unique to that country, showcasing the distinctive island flora of New Zealand. The large South African Proteaceae collection is equally captivating, featuring winter-blooming species such as proteas and leucadendrons, which thrive and create spectacular displays in Monterey Bay’s mild climate. The butterfly garden and birdwatching opportunities provide visitors with close encounters with pollinators and avian species, adding an interactive dimension to ecological education.
Research Infrastructure and Conservation Systems
The arboretum has established comprehensive research facilities and data platforms. The seed bank facility stores over one million seeds representing more than 200 species, many of which are endangered or rare taxa entering conservation collections for the first time. The seed bank conducts systematic seed viability testing and longevity research, providing scientific foundations for ex-situ conservation. The arboretum participates in the California Plant Rescue (CaPR) conservation collection database and the Center for Plant Conservation (CPC) national database, collaborating with conservation institutions nationwide to advance the plant biodiversity conservation network.
The living collections simultaneously serve as experimental materials for molecular systematic research, where researchers utilize fresh leaf tissue and DNA samples for phylogenetic analyses, illuminating evolutionary relationships among species. Furthermore, the ethnobotany and traditional ecological knowledge documentation program collaborates with the Amah Mutsun indigenous community to systematically record indigenous traditional plant uses and sustainable management practices. The arboretum also contributes to Northern California vegetation mapping projects and post-fire native plant monitoring, providing data support for regional ecological restoration and adaptive management.
The Elvenia J. Slosson Research Garden, established in 1978, is dedicated to testing and evaluating Australian ornamental plants for their adaptability to California’s coastal climate, providing experimental evidence for horticultural extension and landscape applications. The “Garden of the Future” arts-science collaborative project, led by the renowned ecological artists the Harrison couple, integrates themes of ecological restoration, climate change, and community engagement into artistic creation and public dialogue, exploring the arboretum’s unique role in environmental literacy and cultural innovation.
Educational Programs and Community Engagement
The arboretum offers diverse educational services for varied audiences. Student experiential learning programs extend the classroom to outdoor field settings, where students can engage in plant identification, ecological surveys, and scientific research in living laboratories and outdoor classrooms. Environmental management training courses target professionals and advanced students, conveying theory and practice in conservation biology, ecological restoration, and sustainable landscape management. The native plant horticulture and restoration support program assists community residents in learning native plant gardening techniques and participating in ecological restoration projects in residential and public spaces.
Community involvement and volunteer programs constitute a core component of the arboretum’s public services, where enthusiastic citizens can join volunteer positions in guided tours, horticultural maintenance, seed processing, and data entry. The arboretum also offers the California Naturalist training course, cultivating interpretive naturalists with integrated knowledge of botany, zoology, and ecology, enhancing public awareness and conservation consciousness regarding native biodiversity.
