Yu 7817 (1937)
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| Yu 7817 herbarium specimens, Mekong River at Chiapieh, Yunnan (1937) | |
|---|---|
| Yu 7817 (1937) | |
| At a Glance | |
| Classification | Feral |
| Location | |
| Country | China |
| Province/State | Yunnan |
| Locality | Bank of Mekong River, Chiapieh |
| Coordinates | 28.34, 98.88 |
| Elevation | 2000 m |
| Collection | |
| Method | Herbarium specimen |
| Sourcing Type | Historical |
| Date | 30 October 1937 |
| Collector | T. T. Yü |
| Specimen | |
| Repository | Institute of Botany, Chinese Academy of Sciences |
| Catalogue Number | PE 00578084 |
| Collector Number | Yu 7817 |
| Scientific Name | Cannabis sativa L. |
| Identified By | 關克儉 |
| Occurrence Record | View occurrence record |
Yu 7817 is a herbarium accession of Cannabis sativa collected at the side of a field on the bank of the Mekong at Chiapieh, in Yunnan, China, at 2,000 m on 30 October 1937 by T. T. Yu. The Institute of Botany, Chinese Academy of Sciences in Beijing holds two sheets, PE 00578084[1] and PE 00578085[2], and the Kunming Institute of Botany, Chinese Academy of Sciences a third as KUN 0169109.[3]
Collection and locality
Each sheet carries a Flora of Yunnan form of the Fan Memorial Institute of Biology, filled in by hand: the number 7817, the date Oct. 30. 1937, the locality Bank of Mekong River Chiapieh, the altitude 2000M, the habitat Side of field, a herb 3 feet high with leaves dark green above and whitish beneath and green flowers, the note Common and the collector T. T. Yü. A glassine packet is marked T.T.Yu 7817, and a round printed tag reads F. I. B. Yunnan Exp. with the collector and number.[4][5] The catalogue gives the collector as 俞德俊, the number, the year and Yunnan.[1] The Kunming sheet carries the same round tag and a later form of the Chinese Academy of Sciences' Kunming Work Station (中國科學院植物分類研究所昆明工作站), filled in by hand with the same entries: the number, Oct. 30, 1937, Bank of mekong River chiapieh, 2000 m, side of field, a herb 3 ft high, the leaf note, green flowers with the female sign, common and T. T. Yu.[6]
Specimen and identification
Both sheets carry slender stems with a few narrow, serrate leaflets and small flower clusters. A later slip on each names the plant Cannabis sativa L., signed 關克儉 on 27 January 1956.[4][5] The Kunming sheet carries one tall leafy stem, branched above, with small clusters of female flowers in the leaf axils, and a slip of 1959 naming the plant Cannabis sativa L.[6] Yü gathered cannabis near Atuntze, in the same district, two months earlier: Yu 10078 (1937). The Chinese Virtual Herbarium publishes its sheet images under a non-commercial, no-derivatives licence (CC BY-NC-ND 4.0); they are read and cited here, not reproduced.
- ↑ 1.0 1.1 "Specimen PE 00578084: Cannabis sativa". Chinese Virtual Herbarium. Institute of Botany, Chinese Academy of Sciences. Retrieved 13 October 2026.
- ↑ "Specimen PE 00578085: Cannabis sativa". Chinese Virtual Herbarium. Institute of Botany, Chinese Academy of Sciences. Retrieved 13 October 2026.
- ↑ "Specimen KUN 0169109: Cannabis sativa". Chinese Virtual Herbarium. Institute of Botany, Chinese Academy of Sciences. Retrieved 15 October 2026.
- ↑ 4.0 4.1 "Digitised sheet PE 00578084: Cannabis sativa". Chinese Virtual Herbarium image service. Institute of Botany, Chinese Academy of Sciences. Retrieved 13 October 2026.
- ↑ 5.0 5.1 "Digitised sheet PE 00578085: Cannabis sativa". Chinese Virtual Herbarium image service. Institute of Botany, Chinese Academy of Sciences. Retrieved 13 October 2026.
- ↑ 6.0 6.1 "Digitised sheet KUN 0169109: Cannabis sativa". Chinese Virtual Herbarium image service. Institute of Botany, Chinese Academy of Sciences. Retrieved 15 October 2026.
