Description ³

Herbs, twining or prostrate; axial parts often minutely tuberculate. Stems glabrous or sparsely hirsute, rooting at nodes. Petiole 0.5-5 cm, glabrous or pubescent; leaf blade cordate-ovate, 1.5-7.5 X 1-5 cm, subglabrous to sparsely puberulent, base cordate or broadly cordate, margin entire, irregularly crenate, or 3-lobed. Inflorescences (1-) or few to many flowered, umbelliform, cymose in fruit; peduncle (0.3-)0.8-5 cm, thicker than petiole; bracts early deciduous, narrowly obovate. Pedicel 2-5 mm. Sepals broadly obovate to spatulate or oblong, reflexed in fruit, unequal; outer 2 sepals 3.5-4 mm; inner 3 ca. 5 mm, glabrous, apex emarginate and distinctly mucronate, mucro directed outward. Corolla yellow, campanulate, 6-10 mm, outside glabrous, inside villous basally. Stamens ca. as long as corolla; filaments sparsely villous basally. Ovary globose, glabrous; stigma globose. Capsule depressed globose or broadly conical, 5-6 mm, reticulate (but not coarsely) wrinkled. Seeds trigonous-globose, 2.5-3.5 mm, puberulent to glabrous or woolly along angles and at hilum. 2n = 30*.

Sources and Credits

1. (c) Ray Cui, some rights reserved (CC BY-NC-SA), https://www.flickr.com/photos/melop/52889995/
2. (c) Robert Lafond, some rights reserved (CC BY-SA), https://www.flickr.com/photos/bobvietnam/3497121095/
3. (c) Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA, some rights reserved (CC BY-NC-SA), http://eol.org/data_objects/4983292

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