Vegetative key to the families

INSECTIVEROUS PLANTS with either sticky glands on the leaves (Fig.28), or with bladders 1–2 mm long on submerged or subterranean leaves (Fig. 28). Very delicate herbs
Leaves with glandular hairs, in a rosette and/or ascending and bifurcating (Fig. 24) Droseraceae
Leaves all basal. Roots fibrous, never tuberous
Leaves basal and cauline, peltate. Basal rosette of leaves often absent at time of flowering. Stems erect, occasionally bending over, 10–15 cm high, arising from a globular subterranean tuber. Flowers in terminal racemes. Petals white or pink