{"title":"Arenga westerhoutii Griff。和利维斯托娜·詹金斯娜·格里夫。这是孟加拉国的两种新的野生棕榈树","authors":"Sharif Hossain Sourav, K. Anwar","doi":"10.22271/tpr.2020.v7.i2.043","DOIUrl":null,"url":null,"abstract":"INTRODUCTION The genus Arenga Labill and Livistona R. Br., are represented by one and two species in Bangladesh respectively (Siddiqui et al. 2007, Rahman 2018). In Bangladesh, these genera were known to contain the following three species: Arenga pinnata (Wurmb) Merr., Livistona chinensis (Jacq.) R.Br. ex Mart. and Livistona speciosa Kurz. (Siddiqui et al. 2007, Rahman 2018). Sangu-Matamuhuri Reserve Forest is one of the last strongholds of biodiversity in Bangladesh (Creative Conservation Alliance 2016). Sangu Reserve Forest (SRF hereafter) is located in the south of Boro Modok in Thanchi Upazila of Bandarban District, Bangladesh (Fig. 1). The actual floral diversity of SRF is still unknown. We conducted a field exploration at this remote forest during February 2019. SRF is a part of the Indo-Burma Biodiversity hot spot (Myers et al. 2000). SRF is the Sangu Wildlife Sanctuary (SWF), which was declared by the Forest Department of Bangladesh (Creative Conservation Alliance 2016). The climate of the region is tropical, with a mean annual rainfall of 2,666 mm. A dry and cool season occurs in that region from November to March, followed by a hot and sunny pre-monsoon season from April to May, and a warm, cloudy, and wet monsoon season from June to October (Khan 2015). During vegetation observation inside the forest, we found two species of unusual wild palms that are grown on hill slope sporadically associated with other vegetation and bearing fruits. Further, we reviewed the Siddiqui et al. (2007) and Rahman (2018) and confirmed these two palms are not reported from Bangladesh. Then the field photographs were sent to a palm specialist and finally examined as Arenga westerhoutii Griff. and Livistona jenkinsiana Griff. Hence, we reported these two species as new wild palms for Bangladesh. Direct observation has been done by a random walk inside the SRF (Fig. 1) and from the boat while moving in Sangu River. The field visit was from 20 th to 28 th February 2019. Clear photographs have taken for unknown plant species and also for the two unusual wild palms. We failed to collect any plant samples because they are grown on the top hills. Therefore, we took pictures with a telephoto lens. The photos are uploaded on a global database (inaturalist.org). The identification of these palms confirmed through field photographs that were examined by tropical Asian palm specialists.","PeriodicalId":23334,"journal":{"name":"Tropical Plant Research","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Arenga westerhoutii Griff. and Livistona jenkinsiana Griff., two new species of wild palms for Banglades\",\"authors\":\"Sharif Hossain Sourav, K. Anwar\",\"doi\":\"10.22271/tpr.2020.v7.i2.043\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"INTRODUCTION The genus Arenga Labill and Livistona R. Br., are represented by one and two species in Bangladesh respectively (Siddiqui et al. 2007, Rahman 2018). In Bangladesh, these genera were known to contain the following three species: Arenga pinnata (Wurmb) Merr., Livistona chinensis (Jacq.) R.Br. ex Mart. and Livistona speciosa Kurz. (Siddiqui et al. 2007, Rahman 2018). Sangu-Matamuhuri Reserve Forest is one of the last strongholds of biodiversity in Bangladesh (Creative Conservation Alliance 2016). Sangu Reserve Forest (SRF hereafter) is located in the south of Boro Modok in Thanchi Upazila of Bandarban District, Bangladesh (Fig. 1). The actual floral diversity of SRF is still unknown. We conducted a field exploration at this remote forest during February 2019. SRF is a part of the Indo-Burma Biodiversity hot spot (Myers et al. 2000). SRF is the Sangu Wildlife Sanctuary (SWF), which was declared by the Forest Department of Bangladesh (Creative Conservation Alliance 2016). The climate of the region is tropical, with a mean annual rainfall of 2,666 mm. A dry and cool season occurs in that region from November to March, followed by a hot and sunny pre-monsoon season from April to May, and a warm, cloudy, and wet monsoon season from June to October (Khan 2015). During vegetation observation inside the forest, we found two species of unusual wild palms that are grown on hill slope sporadically associated with other vegetation and bearing fruits. Further, we reviewed the Siddiqui et al. (2007) and Rahman (2018) and confirmed these two palms are not reported from Bangladesh. Then the field photographs were sent to a palm specialist and finally examined as Arenga westerhoutii Griff. and Livistona jenkinsiana Griff. Hence, we reported these two species as new wild palms for Bangladesh. Direct observation has been done by a random walk inside the SRF (Fig. 1) and from the boat while moving in Sangu River. The field visit was from 20 th to 28 th February 2019. Clear photographs have taken for unknown plant species and also for the two unusual wild palms. We failed to collect any plant samples because they are grown on the top hills. Therefore, we took pictures with a telephoto lens. The photos are uploaded on a global database (inaturalist.org). 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引用次数: 1
摘要
沙棘属和沙棘属植物。在孟加拉国分别有一种和两种(Siddiqui et al. 2007, Rahman 2018)。在孟加拉国,已知这些属含有以下三种:Arenga pinnata (Wurmb) Merr;中国紫菜(jackq .)R.Br。集市。和利维斯托娜·特诺萨·库尔兹。(Siddiqui et al. 2007, Rahman 2018)。桑格-马塔穆胡里保护区是孟加拉国生物多样性的最后据点之一(创意保护联盟2016年)。Sangu Reserve Forest(以下简称SRF)位于孟加拉国Bandarban区的Thanchi Upazila的Boro Modok南部(图1)。SRF的实际植物多样性尚不清楚。2019年2月,我们对这片偏远的森林进行了实地考察。SRF是印度-缅甸生物多样性热点的一部分(Myers et al. 2000)。SRF是由孟加拉国森林部(创意保护联盟2016年)宣布的Sangu野生动物保护区(SWF)。该地区属于热带气候,年平均降雨量为2666毫米。该地区从11月到3月是干燥和凉爽的季节,随后是4月至5月炎热和阳光充足的季风前季节,6月至10月是温暖、多云和潮湿的季风季节(Khan 2015)。在森林内的植被观测中,我们发现了两种罕见的野生棕榈树,它们零星地生长在山坡上,与其他植被为伴,结果实。此外,我们回顾了Siddiqui等人(2007)和Rahman(2018),并确认这两种棕榈树没有来自孟加拉国的报告。然后,这些野外照片被送到一位棕榈树专家那里,最后被鉴定为Arenga westerhoutii Griff。和利维斯托娜·詹金斯娜·格里夫。因此,我们报道了这两种作为孟加拉国新的野生棕榈树。通过在SRF内随机漫步(图1)和在三谷河上移动时从船上进行直接观察。实地考察时间为2019年2月20日至28日。为未知的植物种类和两种不同寻常的野生棕榈树拍摄了清晰的照片。我们没有收集到任何植物样本,因为它们生长在山顶上。因此,我们用长焦镜头拍照。这些照片被上传到一个全球数据库(inaturalist.org)。这些棕榈树的鉴定通过亚洲热带棕榈树专家检查的实地照片得到证实。
Arenga westerhoutii Griff. and Livistona jenkinsiana Griff., two new species of wild palms for Banglades
INTRODUCTION The genus Arenga Labill and Livistona R. Br., are represented by one and two species in Bangladesh respectively (Siddiqui et al. 2007, Rahman 2018). In Bangladesh, these genera were known to contain the following three species: Arenga pinnata (Wurmb) Merr., Livistona chinensis (Jacq.) R.Br. ex Mart. and Livistona speciosa Kurz. (Siddiqui et al. 2007, Rahman 2018). Sangu-Matamuhuri Reserve Forest is one of the last strongholds of biodiversity in Bangladesh (Creative Conservation Alliance 2016). Sangu Reserve Forest (SRF hereafter) is located in the south of Boro Modok in Thanchi Upazila of Bandarban District, Bangladesh (Fig. 1). The actual floral diversity of SRF is still unknown. We conducted a field exploration at this remote forest during February 2019. SRF is a part of the Indo-Burma Biodiversity hot spot (Myers et al. 2000). SRF is the Sangu Wildlife Sanctuary (SWF), which was declared by the Forest Department of Bangladesh (Creative Conservation Alliance 2016). The climate of the region is tropical, with a mean annual rainfall of 2,666 mm. A dry and cool season occurs in that region from November to March, followed by a hot and sunny pre-monsoon season from April to May, and a warm, cloudy, and wet monsoon season from June to October (Khan 2015). During vegetation observation inside the forest, we found two species of unusual wild palms that are grown on hill slope sporadically associated with other vegetation and bearing fruits. Further, we reviewed the Siddiqui et al. (2007) and Rahman (2018) and confirmed these two palms are not reported from Bangladesh. Then the field photographs were sent to a palm specialist and finally examined as Arenga westerhoutii Griff. and Livistona jenkinsiana Griff. Hence, we reported these two species as new wild palms for Bangladesh. Direct observation has been done by a random walk inside the SRF (Fig. 1) and from the boat while moving in Sangu River. The field visit was from 20 th to 28 th February 2019. Clear photographs have taken for unknown plant species and also for the two unusual wild palms. We failed to collect any plant samples because they are grown on the top hills. Therefore, we took pictures with a telephoto lens. The photos are uploaded on a global database (inaturalist.org). The identification of these palms confirmed through field photographs that were examined by tropical Asian palm specialists.