PEDALIACEAE
Annual or perennial herbs, rarely shrubs or trees, sometimes with swollen stem; with glands at least on young parts. Leaves simple, exstipulate, opposite, sometimes alternate on upper part of stem, densely covered with 4-merous mucilaginous glands. Inflorescence of solitary axillary flowers, rarely few-flowered racemes or fascicles. Flowers bisexual, zygomorphic, mostly hypogynous and generally with characteristic extrafloral nectar glands at the base of pedicel. Sepals 5 (rarely 4), connate basally. Corolla broadly tubular or obliquely campanulate, 2-lipped or obscurely so, lobes 5, imbricate. Stamens 4, epipetalous and didynamous, rarely 2, staminode usually 1; anthers bithecous, dehiscence longitudinal; connective usually gland-tipped. Disc usually conspicuous, regular, fleshy. Carpels 2, syncarpous, ovary superior, rarely inferior, 2-locular or 4-locular by false septation, placentation axile, ovules 1-many per locule; style 1, filiform with 2 stigmas (rarely 4- lobed). Fruit loculicidal capsule or nut, winged or with hooked spines, prickles or horns. Seeds 1-many in each locule, smooth, albuminous.
11 genera and about 67 species
