Christensen, C. F. A. 1931. Contr. U.S. Natl. Herb. 26 310.
Type Status:
Isotype
Place:
Shweli River drainage basin to summit of Shweli-Salween watershed east of Tengyueh., Yunnan, China, Asia-Temperate
Collection Date:
Nov 1922
Notes:
US sheet annotated as "Type coll." by C. Christensen (1930). US sheet wrongly cited as holotype by Tropicos; holotype apparently deposited at C, "cotype" at US (see Contr. U.S. Natl. Herb. 26: 269).