Shrubs or trees [perennial herbs], root parasites, evergreen, synoecious; glabrous [hairy]. Leaves alternate [2 in fascicle], simple; stipules absent; petiole present; blade margins entire; venation pinnate. Inflorescences axillary [terminal], cymes [thyrses, spikes, umbels] or flowers solitary. Flowers bisexual, heterostylous; perianth and androecium epigynous; epicalyx present; hypanthium completely adnate to ovary; sepals unknown number , connate into cuplike rim; petals [3–]4–5[–6], connate, post-staminal hairs present [absent]; nectary present; stamens [3–]4–5[–6], opposite petals, distinct, adnate to corolla tube; anthers dehiscing by longitudinal slits; pistil 1, 2–3-carpellate, ovary inferior, 2–3-locular proximally, 1-locular distally, placentation free-central, ovules 3 per ovary, anatropous; style 1; stigma 1. Fruits drupes [nutlike achenes]. Seeds 1 per fruit.