Microcaryum pygmaeum (C.B. Clarke) I.M. Johnst.
Boraginaceae
| Collection Number | D. Boufford 44042 |
| Collectors | David E. Boufford, Sharon Christoph, Chris Davidson, Xin-Hui LI & Tao YANG |
| Identified By | D. Boufford (GH) |
| Source | C. Davidson |
| Date | 15 August 2017 |
| Country | China |
| province/SAR | Sichuan |
| prefecture-level | Litang Xian. |
| Location | Ca. 40 km west of Litang on road (Highway G318) from Litang to Batang. Mountains with coarse sand slopes on north side of highway, heavily grazed meadows, thickets of dwarf Rhododendron (mostly <1 m tall, but some plants to 1.5 m), Caragana, Salix and Lonicera thickets and coarse, granitic sand scree slopes. 4100-4400 m. |
| Lat/Long | N 30 10 52 E 99 58 41 |
| Note | Scattered, mostly in coarse sand in openings and disturbed sites in meadow-like area. Calyx green; corolla pale blue with white or yellow ring in center. |