Lindernia All.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1972, Flora Europaea. Volume 3. Diapensiacea to Myoporaceae, Cambridge: Cambridge University Press : 203-204

2. Lindernia All. 2

Glabrous annuals; leaves opposite. Flowers solitary in the leaf-axils. Calyx equally and deeply 5-lobed. Corolla with narrowly campanulate tube and 2-lipped limb; upper lip small, flat,

erect, 2-lobed, the lower larger, patent, 3-lobed. Stamens 4, or 2 fertile with 2 staminodes, included; anther-lobes divergent. Stigma 2-lobed. Capsule septicidal; seeds numerous.

Fertile stamens 4; pedicels usually exceeding subtending leaf; flowers mostly cleistogamous, with corolla not exceeding calyx

1. procumbens Fertile stamens 2, staminodes 2; pedicels usually shorter than subtending leaf; flowers mostly chasmogamous, with corolla distinctly exceeding calyx 2. dubia