北齿缘草 bei chi yuan cao

Eritrichium jeholense Baranov & Skvortzov.

Herbs perennial, 15-40 cm tall. Roots to 1 cm in diam. Stems several, cespitose, frequently forming a dense cluster. Basal leaves oblanceolate, 3-8 cm × 3-8 mm, with 2 different-sized strigose hairs, base cuneate, apex acute; stem leaves oblanceolate to lanceolate, 1.5-3 cm × 3-8 mm. Inflorescences extra-axillary, with 2-4 branches, 1-2 cm, to 2-10 cm in fruit, each branch several to many flowered; bracts linear-lanceolate, 3-5 mm. Pedicel 2-7 cm, erect to slightly ascending, with appressed white hairs. Calyx lobes erect at anthesis, mostly spreading in fruit, oblong-lanceolate to oblong-linear, 3.5-4 × 1-1.5 mm, strigose, apex acuminate to acute. Corolla blue, campanulate-rotate; tube 1.2-1.5 mm; appendages lunate to low trapeziform, surpassing throat; lobes obovate to orbicular, 3-3.5 mm. Anthers oblong. Nutlets turbinate, ca. 2.5 × 1 mm excluding marginal glochids; adaxially sca-brous, keeled; abaxially ovate to broadly ovate, slightly convex, with many fine tubercles and bristles, center line ribbed; marginal glochids triangular, confluent or nearly free, sparsely pubescent; attachment scar at middle or below adaxially, triangular. Fl. and fr. Jul-Sep.

* Hillside meadows, rocky crevices, thickets, rocky slopes. Hebei, Liaoning, Nei Mongol (Humeng Xian), Shanxi.