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FOC | Family List | FOC Vol. 10 | Fabaceae


染料木族 ran liao mu zu

Authors: Zhi Wei & Nicholas J. Turland

This tribe comprises 25 genera and 550-570 species, mainly distributed in Africa and Europe, but with most species of Lupinus in North and South America. The 13 Chinese species (in seven genera) are all introduced and cultivated, and the present authors are not aware of any among them having become naturalized. Therefore, full treatments are not provided here; instead there follow a synopsis and key to the genera and species.

Cytisus Desfontaines (金雀儿属 jin que er shu). One species is widely cultivated: C. scoparius (Linnaeus) Link (Enum. Hort. Berol. Alt. 2: 241. 1822; Spartium scoparium Linnaeus, Sp. Pl. 2: 709. 1753), native to the N Atlantic islands and Europe.

Genista Linnaeus (染料木属 ran liao mu shu). One species is widely cultivated: G. tinctoria Linnaeus (Sp. Pl. 2: 710. 1753; G. sibirica Linnaeus), native from W Europe to Kazakhstan and W Siberia, approaching the N borders of China. It might be expected to occur as a native species in N parts of Xinjiang, Nei Mongol, or Heilongjiang.

Laburnum Fabricius (毒豆属 du dou shu). One species is cultivated in NE and NW China: L. anagyroides Medikus (Vorles. Churpfälz. Phys.-Öcon. Ges. 2: 363. 1787; Cytisus laburnum Linnaeus, Sp. Pl. 2: 739. 1753), native to SC Europe.

Lembotropis Grisebach (变黑金雀儿属 bian hei jin que er shu). One species is widely cultivated: L. nigricans (Linnaeus) Grisebach (Spic. Fl. Rumel. 1: 10. 1843; Cytisus nigricans Linnaeus, Sp. Pl. 2: 739. 1753), native to C and SE Europe.

Lupinus Linnaeus (羽扇豆属 yu shan dou shu). At least seven species are widely cultivated: L. albus Linnaeus (Sp. Pl. 2: 721. 1753), L. angustifolius Linnaeus (loc. cit.: 721, 1200), L. luteus Linnaeus (loc. cit.: 722), and L. micranthus Gussone (Fl. Sicul. Prodr. 2: 400. 1828-1832), all native to the Mediterranean region; L. perennis Linnaeus (loc. cit.: 721) and L. polyphyllus Lindley (Bot. Reg. 13: t. 1096. 1827), both native to North America; and L. pubescens Bentham (Pl. Hartw. 169. 1845), native to South America.

Spartium Linnaeus (鹰爪豆属 ying zhua dou shu). One species is widely cultivated: S. junceum Linnaeus (Sp. Pl. 2: 708. 1753), native from the N Atlantic islands (Azores), through the Mediterranean region, to the Caucasus region.

Ulex Linnaeus (荆豆属 jing dou shu). One species is widely cultivated: U. europaeus Linnaeus (Sp. Pl. 2: 741. 1753), native to W Europe.

1 Shrubs or small trees; leaves 3-foliolate, simple, or reduced to scales   (2)
+ Herbs; leaves digitately 5- or more foliolate (Lupinus)   (7)
2 (2) Small trees; leaves 3-foliolate; flowers in pendulous racemes 10-30 cm.  

Laburnum anagyroides

+ Shrubs; leaves 3-foliolate, simple, or reduced to scales; flowers not in pendulous racemes   (3)
3 (3) Branchlets sharply spiny; leaves reduced to scales.  

Ulex europaeus

+ Branchlets not spiny; leaves 3-foliolate or simple, not reduced to scales   (4)
4 (4) Calyx subspathaceous; corolla 20-25 mm; legume 6-9 cm.  

Spartium junceum

+ Calyx not spathaceous; corolla 7-18(-20) mm; legume 1.5-4(-7) cm   (5)
5 (5) Leaves simple; legume linear, 1.5-2.5 cm × 3-4 mm.  

Genista tinctoria

+ Leaves 3-foliolate, or simple on upper part of plant; legume broadly linear or linear-lanceolate, 2-4(-7) cm × 5-10(-13) mm   (6)
6 (6) Corolla 7-10 mm; legume 5-6(-7) mm wide.  

Lembotropis nigricans

+ Corolla 16-18(-20) mm; legume 8-10(-13) mm wide.  

Cytisus scoparius

7 (7) Corolla yellow, somewhat purple at tip of keel.  

Lupinus luteus

+ Corolla white to blue, pale red, lilac, or violet   (8)
8 (7) Proximal calyx lip divided to near base; plants annual   (9)
+ Proximal calyx lip bifid but not divided to near base; plants annual or perennial (sometimes short lived)   (10)
9 (9) Leaflets oblanceolate to obovate, 5-15 mm wide, both surfaces hirsute; racemes shorter than leaves; plants brownish hirsute.  

Lupinus micranthus

+ Leaflets linear, 2-4 mm wide, adaxially glabrous; racemes longer than leaves; plants white appressed villous.  

Lupinus angustifolius

10 (8) Plants perennial; stems subglabrous; flowers alternate, pedicel 4-10 mm   (11)
+ Plants annual or short-lived perennial; stems hairy; flowers alternate or verticillate, pedicel 2-5 mm   (12)
11 (11) Leaflets usually 8, 2-5 × 0.7-1.4 cm; racemes lax.  

Lupinus perennis

+ Leaflets 9-15, 4-10 × 1-2.5 cm; racemes dense.  

Lupinus polyphyllus

12 (12) Racemes 10-35 cm, flowers usually verticillate; leaflets both surfaces densely villous; seeds less than 6 mm.  

Lupinus pubescens

+ Racemes 5-10 cm, flowers usually alternate; leaflets abaxially and at margin appressed sericeous, adaxially glabrous; seeds more than 8 mm.  

Lupinus albus


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