Mertensia sibirica (L.) G. Don

Rhizomes transversely spreading. Stems usually single, 30-60 cm tall, glabrous, sulcate, only inflorescences branched. Basal leaves petiole to 25 cm; leaf blade ovate to ovate-oblong, to 20 cm, fleshy, glaucous but abaxially with convex dots, base broadly cuneate or somewhat cordate, apex short acuminate; lateral veins arcuate, raised abaxially; stem leaves sessile, elliptic to linear-oblong, 3-7 × 1-1.2 cm, base attenuate, apex acute to acuminate. Cymes usually 2 or 3, terminal, becoming paniculate, 6-8 cm, glabrous, few flowered; rachis curved. Pedicel 2-7 mm, usually secund, slightly recurved. Flowers widely spaced. Calyx campanulate, ca. 5.5 mm, 5-parted nearly to base; lobes narrowly ovate to linear-ovate, apex obtuse. Corolla blue, ca. 1.4 cm; tube ca. 8 × 4.5 mm; throat appendages transverse folds, ca. 0.3 mm, smooth; limb slightly shorter than tube; lobes slightly spreading, broadly ovate, ca. 3.5 mm, margin entire or repand, apex obtuse, veins distinct. Stamens inserted below appendages; filaments strap-shaped, ca. 2.5 mm; anthers linear-oblong, ca. 3 mm, sparsely pubescent, base divergent, apex obtuse. Style filiform, ca. 1.5 cm, exserted ca. 3 mm from corolla; stigma discoid. Nutlets white, subreniform, 4-5 mm, slightly reticulate-wrinkled, glabrous. Fl. Jun-Jul, fr. Aug-Sep. 2n = 24.

Shanxi [Russia].

Hillside meadows; ca. 2500 m.

Pulmonaria sibirica Linnaeus, Sp. Pl. 1: 135. 1753; Lithospermum sibiricum (Linnaeus) Lehmann; Steenhammera sibirica (Linnaeus) Turczaninow.

Chile Central

Mertensia sibirica là loài thực vật có hoa trong họ Mồ hôi. Loài này được (L.) G. Don mô tả khoa học đầu tiên năm 1837.

大叶滨紫草（学名：Mertensia sibirica）是紫草科滨紫草属的植物。分布在西伯利亚以及中国大陆的山西等地，生长于海拔2,500米的地区，一般生于山坡草地，目前尚未由人工引种栽培。