Leaves cauline, distichous. Inflorescences in 1-2-flowered, contracted cymes, a few at a cauline leaf. Flowers c. 5 mm long. Stamens nearly free, glabrous
Leaves mostly basal. Inflorescences in 3-6-flowered cymes, generally 2 at a cauline leaf. Flowers c. 1 mm long. Stamens united in a hairy tube, trifid at the top
