中国西藏种子植物区系新资料

doi:10.17520/biods.2022085

生物多样性 ›› 2022, Vol. 30 ›› Issue (8): 22085. DOI: 10.17520/biods.2022085

所属专题：青藏高原生物多样性与生态安全

中国西藏种子植物区系新资料

丁洪波¹, 周仕顺¹, 李剑武¹, 申健勇¹, 马兴达¹, 黄健¹, 宋钰², 文雪梅³, 雷鸣³, 土艳丽³, 星耀武¹^,^*(), 谭运洪¹^,^*()

1.中国科学院西双版纳热带植物园, 云南勐腊 666303
2.广西师范大学生命科学学院, 广西桂林 541004
3.西藏自治区高原生物研究所, 拉萨 850001

收稿日期:2022-02-23 接受日期:2022-04-18 出版日期:2022-08-20 发布日期:2022-08-31
通讯作者: 星耀武,谭运洪
作者简介:ywxing@xtbg.org.cn
*共同通讯作者 E-mail: tyh@xtbg.org.cn;
基金资助:
NSFC-云南联合基金(U1802242);东南亚生物多样性研究中心项目(Y4ZK111B01)

Additions to the seed plant flora in Xizang, China

Hongbo Ding¹, Shishun Zhou¹, Jianwu Li¹, Jianyong Shen¹, Xingda Ma¹, Jian Huang¹, Yu Song², Xuemei Wen³, Ming Lei³, Yanli Tu³, Yaowu Xing¹^,^*(), Yunhong Tan¹^,^*()

1. Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, Yunnan 666303
2. College of Life Sciences, Guangxi Normal University, Guilin, Guangxi 541004
3. Tibet Plateau Institute of Biology, Lhasa 850001

Received:2022-02-23 Accepted:2022-04-18 Online:2022-08-20 Published:2022-08-31
Contact: Yaowu Xing,Yunhong Tan

摘要/Abstract

摘要：

本文报道了采自西藏喜马拉雅南坡的8个中国种子植物新记录种以及1个西藏新记录属。前者分别是吉隆牛奶菜(Marsdenia roylei)、塔基棕榈(Trachycarpus takil)、喀西蜂斗草(Sonerila khasiana)、旋花锡生藤(Cissampelos convolvulacea)、吉隆角盘兰(Herminium edgeworthii)、尼泊尔西番莲(Passiflora napalensis)、椭穗姜花(Hedychium ellipticum)和藏南象牙参(Roscoea brandisii); 1个西藏新记录属为箭药藤属(Belostemma) (箭药藤 Belostemma hirsutum)。凭证标本存放于中国科学院西双版纳热带植物园标本馆(HITBC)和西藏自治区高原生物研究所标本室(XZ)。

关键词: 吉隆沟, 樟木沟, 陈塘沟, 新记录种, 新记录属

Abstract

Aims: The Himalaya contains many V-shaped valleys owing to the steep slopes, these valleys add to the flora and vegetation diversity. To better understand flora diversity and vegetation structure of the south slope of the Himalaya, especially the top five valleys (Yadong Valley, Chentang Valley, Gama Valley, Zhangmu Valley and Gyirong Valley), we conducted the investigation in the top five valleys July to August 2021.

Methods: In this study, 1,490 specimens were collected and photographed through field investigation, made into specimens, and sorted out and identified. The voucher specimens for each reported species were preserved in the Herbarium of Xishuangbanna Tropical Botanical Garden (HITBC), Chinese Academy of Sciences and Herbarium of Tibet Plateau Institute of Biology (XZ).

Results: Eight species, Marsdenia roylei, Trachycarpus takil, Sonerila khasiana, Cissampelos convolvulacea, Herminium edgeworthii, Passiflora napalensis, Hedychium ellipticumand Roscoea brandisii are reported as newly recorded species from the south slope of the Himalaya in China. One genus, Belostemma (Belostemma hirsutum) is reported as newly recorded genus in Xizang Autonomous Region.

Conclusions: The south slope of the Himalaya harbors one of richest floras in Xizang. But the floristic survey in this area is still insufficient, and should be further strengthened in the floristics and specimen collection in the future.

Key words: Gyirong Valley, Zhangmu Valley, Chentang Valley, newly recorded species, newly recorded genus

丁洪波, 周仕顺, 李剑武, 申健勇, 马兴达, 黄健, 宋钰, 文雪梅, 雷鸣, 土艳丽, 星耀武, 谭运洪 (2022) 中国西藏种子植物区系新资料. 生物多样性, 30, 22085. DOI: 10.17520/biods.2022085.

Hongbo Ding, Shishun Zhou, Jianwu Li, Jianyong Shen, Xingda Ma, Jian Huang, Yu Song, Xuemei Wen, Ming Lei, Yanli Tu, Yaowu Xing, Yunhong Tan (2022) Additions to the seed plant flora in Xizang, China. Biodiversity Science, 30, 22085. DOI: 10.17520/biods.2022085.

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链接本文: https://www.biodiversity-science.net/CN/10.17520/biods.2022085

https://www.biodiversity-science.net/CN/Y2022/V30/I8/22085

图/表 4

图1 4个中国新记录种。 A-C: 吉隆牛奶菜; D-F: 塔基棕榈; G-H: 喀西蜂斗草; I-K: 旋花锡生藤。

Fig. 1 Four newly recorded species in China. A-C, Marsdenia roylei; D-F, Trachycarpus takil; G-H, Sonerila khasiana; I-K, Cissampelos convolvulacea.

图2 3个中国新记录种和1个西藏新记录属。 A-B: 吉隆角盘兰; C-E: 尼泊尔西番莲; F-I: 椭穗姜花; J: 箭药藤。

Fig. 2 Three newly recorded species in China and one newly recorded genus in Xizang. A-B, Herminium edgeworthii; C-E, Passiflora napalensis; F-I, Hedychium ellipticum; J, Belostemma hirsutum.

图3 藏南象牙参。 A: 生境; B: 叶舌; C: 叶正面; D: 叶反面; E: 花侧面; F: 花正面; G: 整株; H: 单朵花(无苞片); I: 苞片; J: 单朵花(有苞片); K: 花萼; L: 花梗与子房; M: 中央花冠裂片; N: 侧面花冠裂片; O: 侧生退化雄蕊; P: 唇瓣; Q: 雄蕊和雌蕊; R: 花管。

Fig. 3 Roscoea brandisii. A, Habit; B, Ligule; C, Leaf (adaxial); D, Leaf (abaxial); E, Flower (side view); F, Fower (front view); G Whole plant; H, Single flower without bract; I, Bract; J, Single flower with bract; K, Calyx; L, Peduncle and ovary; M, Central corolla lobe; N, Lateral corolla lobes; O, Lateral staminodes; P, Labellum; Q, Pistil and stamen; R, Floral tube.

图4 象牙参。 A: 生境; B-C: 叶舌; D: 根; E: 花侧面; F: 花正面; G: 单朵花包括苞片; H: 花序; I: 花序解剖; J: 苞片; K: 花萼; L: 花梗与子房; M: 中央花冠裂片; N: 侧面花冠裂片; O: 侧生退化雄蕊; P: 唇瓣; Q: 雄蕊和雌蕊; R: 花管; S: 上位腺体。

Fig. 4 Roscoea purpurea. A, Habit; B-C, Ligule; D, Root; E, Flower (side view); F, Flower (front view); G, Single flower with bract; H, Inflorescence; I, Anatomy of inflorescence; J, Bract; K, Calyx; L, Peduncle and ovary; M, Central corolla lobe; N, Lateral corolla lobes; O, Lateral staminodes; P, Labellum; Q, Pistil and stamen; R, Floral tube; S, Epigynous glands.

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中国西藏种子植物区系新资料

Additions to the seed plant flora in Xizang, China

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