Description from Flora of China
Veronica beccabunga var. muscosa Korshinsky, Zap. Imp. Akad. Nauk. Fiz.-Mat. Otd. 4(4): 96. 1896; V. hjuleri Paulsen.
Perennials, 2-10 cm tall, glabrous. Rhizomes elongated. Stems repent, 10-30 cm, apically slightly ascending, branched, succulent. Petiole 1-5 mm, conspicuous; leaf blade suborbicular, ovate, or oblong, 0.5-2.5 X 0.3-1.5 cm, margin subentire or shallowly serrulate to crenulate and 5-9-toothed per side. Racemes axillary, 1-3 cm, 3-15-flowered; peduncle 0.3-1.5 (-2) cm in fruit, to 1/2 as long as subtending leaf. Pedicel 3-8 mm, straight, almost horizontally patent. Calyx 4-lobed; lobes ovate-lanceolate, equal in size, reflexed or distant from capsule. Corolla pale purple to pale blue, rotate, ca. 5 mm in diam., tube short; lobes slightly unequal in width. Capsule subrounded, slightly compressed, 3-4 X 3-5 mm, apex notch inconspicuous. Style 1-2 mm. Seeds ca. 30 per capsule, slightly flattened, convex on both sides; seed coat shallowly reticulate. Fl. Apr-Sep.
Veronica beccabunga subsp. abscondita M. A. Fischer occurs in the mountains of SW Asia, whereas V. beccabunga subsp. beccabunga occurs widely in Europe to N and W Turkey and is naturalized in North America.
By water; 1200-2500 m. SW Sichuan (Muli Zangzu Zizhixian), Xinjiang, NW Yunnan, [Afghanistan, Kashmir, Kazakhstan, Kyrgyzstan, Nepal, Pakistan, Tajikistan, Turkmenistan, Uzbekistan; SW Asia (E Iran)].