Marsdenia tinctoria R. Br.
Apocynaceae
| Collection Number | D. Boufford 44160 |
| Collectors | David E. Boufford, Sharon Christoph, Chris Davidson, Xin-Han HUANG & Zhuo ZHOU |
| Identified By | D. Boufford (GH) |
| Source | C. Davidson |
| Date | 06 May 2018 |
| Country | China |
| province/SAR | Yunnan |
| prefecture-level | Jinghong Xian. |
| Location | Xishuangbanna Daizuzi-Zhizhou; Bulong Shan, ca. 11.9 km southeast of Bulongshan-Xiang and ca. 5 km north of the Myanmar border. Mixed broadleaved evergreen and deciduous forest with diverse mixture of trees, some more than 20 m tall, especially Fagaceae, Lauraceae and Schima; trees with many epiphytic pteridophytes, lianas and climbing Araceae.1720-1750 m. elev. |
| Lat/Long | N 21 30 52 E 100 30 28 |
| Note | On shrubs and trees in forest on slope below road. Vine, 7-8 m long; calyx green; fresh corolla white. |