Perennials. Rootstock ± horizontal, 5-10 mm in diam., not tuberculate, with thickened roots along rootstock. Stem 10-50 cm tall, erect, not rooting at nodes, with 0.2-0.6 mm retrorse appressed nonglandular trichomes. Stipules lanceolate, distinct. Leaves 1(or 2) alternate but opposite at inflorescence; petiole with 0.2-0.5 mm retrorse appressed nonglandular trichomes; leaf blade 3-11.7 cm, palmately cleft, ratio of main sinus/middle segment length = (0.8-)0.82-0.91, pilose with appressed nonglandular trichomes; segments 7, rhombic, 4.4-8.7(-16.9) mm wide at base, 10-34-lobed in distal half, ratio of second sinus/middle segment length = 0.18-0.35. Cymules solitary or in aggregates at apex of each branch, 2-flowered; peduncle (0-)1.1-5.5 cm. Pedicel 0.3-1.8 cm, with 0.2-0.6 mm patent to retrorse nonglandular trichomes and usually 0.3-2.5 mm patent glandular trichomes; bracteoles linear-lanceolate. Sepals 0.6-1 cm, mucro 0.9-2.7 mm, ratio of mucro/sepal length = 0.14-0.32, outside with 0.2-0.8 mm antrorse appressed nonglandular trichomes and 0.3-2 mm patent glandular trichomes, inside glabrous. Petals purplish, 1.2-1.8(-2) cm, erect to patent, outside basally with trichomes, inside glabrous, margin basally ciliate, apex rounded. Staminal filaments purplish, lanceolate, abaxially pilose and proximal half ciliate, trichomes 1.5-3.2 mm; anthers bluish, 2.1-3 mm. Nectaries 5, hemispheric, glabrous. Stigma purplish. Fruit 2.7-3.7 cm, erect when immature; mericarps smooth, with a basal callus, with 0.1-1.1 mm ± patent nonglandular trichomes and 0.8-1.4 mm patent glandular trichomes; rostrum 2.2-3 cm, with a 5-7.4 mm narrowed apex; stigmatic remains 1.6-2.3 mm. Seeds 2-2.9 mm. Fl. Jul-Aug, fr. Aug-Sep. 2n = 28.
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A herb plant that forms a clump. It keeps growing from year to year. It has erect stems and grows to 60 cm tall. The leaves are light green and deeply lobed and have teeth around the edge. The flowers are in clusters and are saucer shaped. They are violet. They are 2.5-4 cm across.
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