Haseltonia最新文献

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Notes on the Reproductive Biology of Agave fourcroydes (Asparagaceae), a Widely Naturalized Species with Invasive Tendencies 天门冬科龙舌兰(Agave fourcroydes)繁殖生物学笔记,一种具有入侵倾向的广泛归化物种
IF 1.5 4区 生物学
Haseltonia Pub Date : 2024-06-06 DOI: 10.2985/026.031.0107
Gideon F. Smith, Filip Verloove
{"title":"Notes on the Reproductive Biology of Agave fourcroydes (Asparagaceae), a Widely Naturalized Species with Invasive Tendencies","authors":"Gideon F. Smith, Filip Verloove","doi":"10.2985/026.031.0107","DOIUrl":"https://doi.org/10.2985/026.031.0107","url":null,"abstract":"Abstract: Several species of Agave have been recorded as becoming naturalized—even invasive—in, especially, mild-climate parts of the world. Most of these species use multiple reproductive strategies, in particular the production of vast numbers of bulbils on the peduncle and side branches of spent inflorescences. One such species, A. fourcroydes, in the vernacular known as henequen, is widely cultivated, especially for the extraction of fibers, also referred to as henequen, from its leaves, but also as an ornamental. To date, this species was only on one occasion reported as producing capsules and seed. We here record a further instance of the setting of viable seed by A. fourcroydes, a strategy that, in addition to the production of thousands of bulbils on a massive inflorescence, as well as through the production of basal sprouts, can contribute to the ease with which it spreads and becomes established in suitable habitats.","PeriodicalId":50413,"journal":{"name":"Haseltonia","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141377756","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Calescent Drought, Fortuitous Climates and Decline of a Sonoran Desert Cucurbitaceous Vine 钙化干旱、偶然的气候和索诺拉沙漠葫芦科藤本植物的衰退
IF 1.5 4区 生物学
Haseltonia Pub Date : 2024-06-06 DOI: 10.2985/026.031.0108
Frank Reichenbacher
{"title":"Calescent Drought, Fortuitous Climates and Decline of a Sonoran Desert Cucurbitaceous Vine","authors":"Frank Reichenbacher","doi":"10.2985/026.031.0108","DOIUrl":"https://doi.org/10.2985/026.031.0108","url":null,"abstract":"Abstract: Tumamoca macdougalii, the Tumamoc globeberry, is a delicate vine of Arizona, Sonora, and northern Sinaloa. The property of the Desert Laboratory on Tumamoc Hill, Pima County, Arizona, is the type locality of both the genus and T. macdougalii. T. macdougalii was listed as an endangered species in 1986 and then delisted in 1993. Three T. macdougalii populations have been monitored during the summer growing season from 2015 to the present. Populations at two of the three sites had been documented at least once in the 1980s–1990s, and at one site individual plants from 1984–1995 and 2007–2014, and then every 2–4 weeks from 2015–2022. The third site was discovered in 2007 and then monitored only from 2015–the present. Specific field procedures evolved over the years, but since 2015 plant size, stage class, flower bud, flower, and fruit counts, and plant condition were recorded. A total of 205 visits among the three sites were made from 1984–2022. Populations declined dramatically between 1996–2006, remained remarkably resilient at very low numbers from 2007–2014, and then experienced a partial rebound in 2015-2018. Survival analysis and population viability analysis indicate very slow recovery. Analyses of climate indices in relation to T. macdougalii population declines show that drought and warming temperatures began immediately following the completion of required post-delisting monitoring and are likely responsible for dramatic population declines from 1996–2006. A brief upswing in favorable climate parameters from 2015–2019 resulted in partial recovery, but since then numbers have declined again, though not as steeply. A recent effort to evaluate status of sites known to support T. macdougalii in Sonora in the late 1980s indicates significant decline in populations paralleling declines in the Tucson area. If T. macdougalii populations are declining in all or a major part of the range, there may be reason to consider putting it back on the list of endangered and threatened species.","PeriodicalId":50413,"journal":{"name":"Haseltonia","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141379148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Similar, But Not Too Similar: Succulent Plants on Carimã Beach, Maranhão, Brazil 相似而不雷同:巴西马拉尼昂州卡里芒海滩上的多肉植物
IF 1.5 4区 生物学
Haseltonia Pub Date : 2024-04-19 DOI: 10.2985/026.031.0106
Karlla B. Braga, Lucas C. Marinho
{"title":"Similar, But Not Too Similar: Succulent Plants on Carimã Beach, Maranhão, Brazil","authors":"Karlla B. Braga, Lucas C. Marinho","doi":"10.2985/026.031.0106","DOIUrl":"https://doi.org/10.2985/026.031.0106","url":null,"abstract":"","PeriodicalId":50413,"journal":{"name":"Haseltonia","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140683178","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Two New Ledebouriinae Species from Limpopo Province, South Africa: Drimiopsis gasekhukhunei and Ledebouria waterbergensis (Hyacinthaceae). 来自南非林波波省的两个 Ledebouriinae 新种:Drimiopsis gasekhukhunei 和 Ledebouria waterbergensis(风信子科)。
IF 1.5 4区 生物学
Haseltonia Pub Date : 2024-02-29 DOI: 10.2985/026.031.0101
A. Hankey
{"title":"Two New Ledebouriinae Species from Limpopo Province, South Africa: Drimiopsis gasekhukhunei and Ledebouria waterbergensis (Hyacinthaceae).","authors":"A. Hankey","doi":"10.2985/026.031.0101","DOIUrl":"https://doi.org/10.2985/026.031.0101","url":null,"abstract":"","PeriodicalId":50413,"journal":{"name":"Haseltonia","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140415258","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Opuntia fortanelli (Cactaceae), a New Species from the Huastec Region of San Luis Potosí, México Opuntia fortanelli(仙人掌科),墨西哥圣路易斯波托西 Huastec 地区的一个新物种
IF 1.5 4区 生物学
Haseltonia Pub Date : 2024-02-29 DOI: 10.2985/026.031.0104
J. A. Reyes-Agüero, Carolina Orta-Salazar, C. Heindorf, Eleazar Carranza González
{"title":"Opuntia fortanelli (Cactaceae), a New Species from the Huastec Region of San Luis Potosí, México","authors":"J. A. Reyes-Agüero, Carolina Orta-Salazar, C. Heindorf, Eleazar Carranza González","doi":"10.2985/026.031.0104","DOIUrl":"https://doi.org/10.2985/026.031.0104","url":null,"abstract":"","PeriodicalId":50413,"journal":{"name":"Haseltonia","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140408664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Two New Species and a New State Record of Crassulaceae from Michoacán, Mexico 墨西哥米却肯州 Crassulaceae 的两个新物种和一个新州记录
IF 1.5 4区 生物学
Haseltonia Pub Date : 2024-02-29 DOI: 10.2985/026.031.0103
V. Steinmann, Y. Ramírez-Amezcua
{"title":"Two New Species and a New State Record of Crassulaceae from Michoacán, Mexico","authors":"V. Steinmann, Y. Ramírez-Amezcua","doi":"10.2985/026.031.0103","DOIUrl":"https://doi.org/10.2985/026.031.0103","url":null,"abstract":"","PeriodicalId":50413,"journal":{"name":"Haseltonia","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140409799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Southern Range Limit of Cylindropuntia whipplei (Cactaceae) is ‘The Gila’ of New Mexico 仙人掌科植物 Cylindropuntia whipplei 的南部分布区为新墨西哥州的 "吉拉 "地区
IF 1.5 4区 生物学
Haseltonia Pub Date : 2024-02-29 DOI: 10.2985/026.031.0102
Root Gorelick, Radha Veach
{"title":"Southern Range Limit of Cylindropuntia whipplei (Cactaceae) is ‘The Gila’ of New Mexico","authors":"Root Gorelick, Radha Veach","doi":"10.2985/026.031.0102","DOIUrl":"https://doi.org/10.2985/026.031.0102","url":null,"abstract":"","PeriodicalId":50413,"journal":{"name":"Haseltonia","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140410736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Towards a Treatment for the Cactus Family (Cactaceae) on Hispaniola: Generic Key, Species Checklist, Nomenclature Assessments and Distribution Notes. 伊斯帕尼奥拉岛仙人掌科(仙人掌属)的处理方法:通用检索表、物种核对表、命名评估和分布说明。
IF 1.5 4区 生物学
Haseltonia Pub Date : 2023-12-07 DOI: 10.2985/026.030.0108
Yuley Encarnación Piñeyro, William Cinea, L. Majure
{"title":"Towards a Treatment for the Cactus Family (Cactaceae) on Hispaniola: Generic Key, Species Checklist, Nomenclature Assessments and Distribution Notes.","authors":"Yuley Encarnación Piñeyro, William Cinea, L. Majure","doi":"10.2985/026.030.0108","DOIUrl":"https://doi.org/10.2985/026.030.0108","url":null,"abstract":"","PeriodicalId":50413,"journal":{"name":"Haseltonia","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2023-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138590243","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Melocactus praerupticola Areces subsp. Pygmaeus (Hoxey, Gdaniec et Ackerman) Areces comb. et stat. nov.: Review of the Miniature Mountain Melocactus Populations of the Greater Antilles Melocactus praerupticola Areces subsp:大安的列斯群岛微型山仙人掌种群回顾
4区 生物学
Haseltonia Pub Date : 2023-09-14 DOI: 10.2985/026.030.0107
Alberto E. Areces-Mallea
{"title":"Melocactus praerupticola Areces subsp. Pygmaeus (Hoxey, Gdaniec et Ackerman) Areces comb. et stat. nov.: Review of the Miniature Mountain Melocactus Populations of the Greater Antilles","authors":"Alberto E. Areces-Mallea","doi":"10.2985/026.030.0107","DOIUrl":"https://doi.org/10.2985/026.030.0107","url":null,"abstract":"Though they are morphologically very similar, the two unique mountain populations of miniature Melocactus from Puerto Rico and Hispaniola (Dominican Republic) have been treated as different species. After contrasting several living plants and their cultivated descendants from both island-sites over the years, it is concluded that the minor vegetative differences that separate them do not justify species recognition. As a result, the recently described Melocactus pygmaeus Hoxey, Gdaniec and Ackerman from the steep slopes of Sierra de Cayey, Puerto Rico is hereby treated as a subspecies of the previously described Melocactus praerupticola Areces from the rocky cliffs of Constanza, in the central mountains of the Dominican Republic. Likewise, based on vegetative and floral characters, no apparent similarities were found between this praerupticola–pygmaeus complex and M. guitartii León from Cuba.","PeriodicalId":50413,"journal":{"name":"Haseltonia","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134912464","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Nomenclatural Note: An Update on Leptocereus 命名注释:钩端龙的最新进展
4区 生物学
Haseltonia Pub Date : 2023-09-14 DOI: 10.2985/026.030.0106
Michael A. Wisnev, Roy Mottram
{"title":"Nomenclatural Note: An Update on Leptocereus","authors":"Michael A. Wisnev, Roy Mottram","doi":"10.2985/026.030.0106","DOIUrl":"https://doi.org/10.2985/026.030.0106","url":null,"abstract":"","PeriodicalId":50413,"journal":{"name":"Haseltonia","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134912470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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