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Shrubs, small trees, or trees, 7-20(-40) m tall. Young parts generally puberulent;branchlets reddish brown when dry. Leaves 12-20 cm;stipules early caducous, linear;rachis and petiole puberulent, with a long, ovoid gland on rachis between lowest pair of leaflets (often early caducous);leaflets 10-26(-50) pairs, linear-oblong or oblong, 1.2-4 × 0.6-0.8 cm, both surfaces puberulent or adaxially glabrous, apex obtusely rounded, mucronate, slightly oblique. Racemes several, arranged in a terminal, leafy panicle 10-20(-40) cm;peduncle and pedicels puberulent. Flowers 2.5-4 cm in diam.;bracts ovate, ca. 2 mm, tomentose. Sepals greenish yellow when ma­ture, slightly unequal, 5-6 mm. Petals yellow, ovate-oblong, 1-2(-3) cm, glabrous. Fertile stamens 7, 3 larger, with filament ca. 10 mm and anthers 6-7 mm, staminodes 3, tiny. Ovary linear, glabrous. Legume dark brown, flat, broadly linear, obtuse. Seeds 30-60, flattened, ca. 6 mm (Flora of China Editorial Committee, 2014).

Related invasive species

  • Senna multijuga

Related Farm Practice

  • Flora
Impact

S. multijuga is a shrub or tree which is native to the northern part of South America but has naturalized in tropical regions around the world, where it has been introduced for cultivation as an attractive ornamental (Flora of China Editorial Committee, 2014;PIER, 2014). The species has escaped from cultivation and is listed in the Global Compendium of Weeds as a weed, cultivation escape, and garden thug (Randall, 2012). In addition to its ability to tolerate many soil types, it forms a persistent seed bank and its seeds are easily dispersed both by humans and wind. Once established in new areas, the species has been known to naturalize quickly. The species is known to be invasive in Hawaii (PIER, 2014).

Has Cabi datasheet ID
49589
Oss tagged
x

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