Perennials. Rootstock ± vertical, 4-10 mm in diam., not tuberculate, without thickened roots. Stem 7-64 cm tall, erect, not rooting at nodes, subglabrous or with a variable indumentum composed of 0.1-0.3 mm uncinate nonglandular trichomes, 0.8-2.2 mm patent nonglandular trichomes, and 0.2-1.3 mm patent glandular trichomes in different combinations. Stipules ovate, distinct. Leaves 1(or 2) alternate but opposite at inflorescence; petiole subglabrous or with a variable indumentum composed of 0.1-0.3 mm uncinate nonglandular trichomes, 0.4-1.9 mm patent nonglandular trichomes, and 0.5-1.2 mm patent glandular trichomes in different combinations; leaf blade 2.1-5.6 cm, palmately cleft, ratio of main sinus/middle segment length = 0.68-0.81, pilose with ± appressed nonglandular and glandular trichomes; segments 5-7, obtriangular, 3.8-8.9 mm wide at base, 3-9-lobed in distal half, ratio of second sinus/middle segment length = 0.12-0.23. Cymules in dense umbel-like aggregates at apex of each branch, 2(or 3)-flowered; peduncle absent (to 7.3 cm). Pedicel 0.2-2.5 cm, with 1-2.3 mm patent nonglandular trichomes, 0.2-0.3 mm uncinate nonglandular trichomes, and usually 0.4-0.7 mm patent glandular trichomes; bracteoles lanceolate. Sepals 4.9-8.2 mm, mucro 0.4-1 mm, ratio of mucro/sepal length = 0.06-0.13, outside with 0.2-2.6 mm ± patent nonglandular trichomes and 0.4-1.1 mm patent glandular trichomes, inside glabrous. Petals pinkish, (0.8-)1-1.4 cm, erect to patent, outside glabrous, inside basally with trichomes, margin basally ciliate, apex rounded or retuse. Staminal filaments white, lanceolate, adaxially pilose and proximal half ciliate, trichomes 0.3-0.7 mm; anthers yellow, 0.6-1.1 mm. Nectaries 5, hemispheric, glabrous. Stigma pinkish. Fruit 1.3-2.1 cm, erect when immature; mericarps reticulate, without a basal callus, with ± appressed 0.1-0.2 mm nonglandular trichomes; rostrum 0.9-1.4 cm, without a narrowed apex or with a 0.5-1 mm narrowed apex; stigmatic remains 0.7-1.7 mm. Seeds 1.9-2.6 mm. Fl. Jul-Aug, fr. Aug-Oct.
Home