The original name: southwest bellflower, also known as: soil sand cucumber, rock orchid, soil eustoma.
Plant: Angiosperm - Dicotyledonaceae - Euphorbiaceae - Eustoma - Eustomaceae - Eustoma subfamily - Bellflower.
Perennial herb, stems 20-120 cm tall, usually glabrous, occasionally densely covered with short hairs, unbranched, very rarely branched above.
Leaves all whorled, partly whorled to all alternate, sessile or with a very short stalk, leaf blade ovate, ovate-elliptic to lanceolate, leaves ovate or ovate-lanceolate, flowers dark blue or dark purple-white, can be used as ornamental flowers; its root can be used as medicine, with cough expectorant, lungs, drainage of pus and so on, Chinese medicine commonly used medicine.
Morphological features:Stem 20-120 cm high, usually glabrous, occasionally densely covered with short hairs, unbranched, very rarely branched above. Leaves all whorled, partly whorled to all alternate, sessile or with very short stalks, leaf blade ovate, ovate-elliptic to lanceolate, 2-7 cm long, 0.5-3.5 cm wide, base broadly cuneate to rounded, acute, glabrous and green above, often glabrous and whitish powdery below, sometimes with short hairs or verruculose hairs on the veins, the side apical margins serrulate.
Flowers solitary terminal, or several in pseudo-racemes, or with inflorescences branched into panicles; calyx campanulate-five-lobed, white powdered, lobes triangular, or narrowly triangular, sometimes toothed; corolla large, 1.5-4.0 cm long, blue, purple or white. Capsule globose, or globose-obconic, or obovate, 1 to 2.5 cm long, about 1 cm in diameter. Flowering period July to September