Convolvulaceae
Fls axillary, solitary or in dichasia, perfect, regular, 5-merous (rarely 4-merous), sts cleistogamous; bracts often forming an involucre. Calyx imbricate, persistent, us. cut to or almost to base. Corolla gamopetalous, funnelform to campanulate; lobes us. twisted in blud. Stamens basally epipetalous, alt. with lobes; anthers 2-celled, dorsifixed, us. introrse, longitudinally dehiscent; disk us. present. Ovary superior, us. 2-loculed; placentae axile; ovules 1-2 per locule, erect, sessile. Capsule loculicidally dehiscent, sts opening irregularly, or fr. fleshy and indehiscent. Endosperm hard. Herbs, lianes, shrubs or trees with us. milky sap and alt. simple exstipulate lvs. Widespread, with some 50 genera and 1200 spp.
Key
Dichondra and Cuscuta are sts raised to subfamily or family rank--Dichondroideae, Dichondraceae, Cuscutoideae, Cuscutaceae.
