Sambucus 接骨木屬
型態特徵
Small gynodioecious trees or shrubs, rarely herbaceous perennials; branches with stout pith. Leaves with or without stipules, imparipinnate, or incompletely bipinnate, rarely laciniate; leaflets serrate or divided, opposite or alternate. Flowers actinomorphic, articulated with pedicel, mostly white, in terminal, flat or convex corymbs or panicles; flowers sometimes dimorphic or some of them forming glandular nectaries; bracts mostly absent, bracteoles 1 or absent; calyx-tube short, limb 3–5-parted; corolla rotate; lobes 3–5, valvate; stamens 5, inserted on base of corolla; filaments filiform, erect; anthers oblong, cells free, attached in middle. Ovary 3–5-celled, ovule 1 per cell; stigmas 3 or 5, short, broad, on a cushion-like style. Fruit a berry-like drupe 3–5-seeded; seeds more or less flat, back, convex, granulate; embryo more or less as long as seed, terete.
About 20 species in temperate and subtropical regions and tropical mountains; only 1 species in Taiwan.
