Tibetan Polo flower morphological characteristics: Tibetan Polo flower (scientific name: Incarvillea younghusbandii Sprague) is 10-20 cm high and has no stems. Root fleshy, thick and thick; 6-11 mm thick. Leaves basal, laid flat on the ground, a 1-pinnate compound leaf; leaf axis ca. 3-4 cm long; apical leaflets ovoid to round, large, 3-5(-7) cm long and broad, apex Round or blunt, base heart-shaped, laterally lobate 2-5 pairs, ovate-elliptic, 1-2 cm long, ca. 1 cm wide, sessate, sessate, sessate, sessate. Flowers solitary or 3-6 flowers are born in leaf axils and are shortened on the total stalk; peduncle is 6-9 mm long. Calyx campanulate, glabrous, ca. 8-12 mm, ca. 4 mm in diam., ca. 5, unequal, smooth, ca. 5-7 mm. Corolla slender, funnel-shaped, 4-5 (-7) cm long, base 3 mm in diameter, 8 mm in central diameter, corolla tube orange, corolla lobes, round. Stamens 4, born at the base of corolla tube, 2 strong, anthers t-shaped, a needle-like distance at the base of the septum, about 1 mm long, membranous, longitudinal cracking of the drug chamber. The style of the pistil is entangled by anthers and extends beyond the corolla. It is about 4 cm long. The stigma is fan-shaped, film-like, with 2 pieces of lobes. The ovary is 2 rooms, rod-shaped, and the ovules are 1-2 columns on each placenta. Capsules nearly woody, curved or crescent-shaped, 3-4.5 cm long, 4-angled, apically acute, pale brown, 2-valved. Seeds 2 columns, elliptical, 5 mm long, 2.5 mm wide, bulging below, concave on top, nearly black, with inconspicuous serrated peripheral wings and scales. Flowering period from May to August, fruiting period from August to October. This species is very close to chicken ginseng, but the plant is short, the leaflet is rough, with a bubble-like bulge, 1-3 (-6) pieces are attached to the ground, the peduncle is 1-3 cm long, the corolla tube is slender, and the capsule is extremely curved, easy the difference. Feton Corporation , https://www.ultraplantled.com