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2. Sambucus Linnaeus, Sp. Pl. 1: 269. 1753.

接骨木属 jie gu mu shu

Authors: Qiner Yang & David E. Boufford

Shrubs, small trees, or perennial herbs, gynodioecious or hermaphroditic, deciduous, whole plant sometimes with extrafloral nectariferous glands. Branches smooth, striate, or warty, with stout pith. Leaves with or without stipules, imparipinnate, or incompletely bipinnate, rarely laciniate; leaflets serrate or divided, opposite or alternate. Inflorescences terminal, flat or convex corymbs or panicles, pedunculate or sessile. Flowers actinomorphic or sometimes dimorphic, sometimes with glandular nectaries, articulate with pedicel; bracts mostly absent; bracteoles 1 or absent. Calyx tube: limb 3-5-parted; corolla rotate, white, lobes 3-5. Stamens 5, inserted at base of corolla; filaments erect, filiform; anthers 2-celled, oblong, cells free, attached at middle. Ovary locules 3-5, ovules 1 per locule; style cushionlike; stigmas 3 or 5. Fruit berrylike, 3-5-seeded; seeds triquetrous or ellipsoid; embryo ca. as long as seed.

About ten species: temperate to subtropical regions and tropical mountains; four species (one endemic) in China.

See Bolli, Diss. Bot. 223: 1-227. 1994; Eriksson and Donoghue, Syst. Bot. 22: 555-573. 1997.

Sambucus nigra Linnaeus (Sp. Pl. 1: 269. 1753) is occasionally cultivated in China.

In some species, the vegetative parts of the plant when bruised and the flowers have a fetid odor.


1 Perennial herbs or shrubs; lenticels absent or inconspicuous; young branches striate; inflorescences flat topped, umbellate cymes   (2)
+ Shrubs or small trees; lenticels conspicuous; young branches rounded; inflorescences and infructescences pyramidal paniculate cymes   (3)
       
2 (1) All flowers hermaphroditic, rotate; lenticels inconspicuous or absent; lateral leaflets without glandular teeth; terminal leaflet narrowly cuneate, often decurrent and connected to next lower leaflet pair; pith of roots red or white; pyrenes rugose or smooth.   1 S. adnata
+ Some flowers sterile, urceolate; lenticels inconspicuous; lateral leaflets with 2-4 glandular teeth below middle and at base; terminal leaflet rounded to cuneate at base, not or only slightly decurrent; pith of roots white; pyrenes tuberculate.   2 S. javanica
       
3 (1) Petiolules, foliar axis, and abaxial surface of leaflets glabrous.   3 S. williamsii
+ Petiolules, foliar axis, and veins at base of abaxial surface of leaflets hairy.   4 S. sibirica

Lower Taxa


 

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