Name: Gentiana tetraphylla
Synonyms:
Distribution: Grassland slopes; China, N and W Sichuan.
Description: Perennials. Stems ascending, simple, papillate. Basal rosette leaves absent or poorly developed; leaf blade triangular, 3-7 × 1-1.5 mm, membranous, apex acute. Stem leaves in whorls of 4 (or 5), larger and more crowded toward apex, uppermost leaves surrounding calyx; leaf blade base connate for 2-3 mm, margin smooth, apex obtuse, midvein abaxially distinct. Lower to middle stem leaves oblong to ovate, 2-3 × 1-1.5 mm, apex acute; upper leaves linear-spatulate to narrowly oblong, 4-8 × 1-1.5 mm. Flowers terminal, solitary, sessile, 6-8-merous. Calyx tube narrowly obconic, 0.9-1.2 cm; lobes linear-spatulate to narrowly oblong, 4-5 mm, herbaceous, base narrowed, margin smooth, apex obtuse, midvein distinct. Corolla pale blue, with pale yellow base and dark blue stripes, tubular to tubular-campanulate, 4-4.5 cm; lobes ovate, 2-2.5 mm, margin denticulate, apex obtuse with a caudate tip less than 1 mm; plicae oblong to broadly ovate, 0.8-1 mm, margin denticulate, apex obtuse.
Altitude: 3300-4500 m
Size: 8-13 cm
Color: pale blue, usually pale yellow-white at base, with
Bloom: 10
Cultivation:
Propagation: seeds, cuttings
Photo: Mojmir Pavelka; China, Sichuan, Min Shan, 3500m