Cassia fistula L.
  • chuva-de-ouro

Cite taxon page as 'WFO (2021): Cassia fistula L. Published on the Internet; Accessed on: 02 Dec 2021'

General Information

Trees, deciduous, to 15 m tall. Leaves 30-40 cm, with 3 or 4 pairs of leaflets; leaflets adaxially shiny, broadly ovate or ovate-oblong, 8-13 × 4-8 cm, leathery, both surfaces puberu­lent when young, glabrous when mature, base broadly cuneate, apex acute. Racemes axillary, 20-40(-60) cm, lax, pendent, many flowered; flowers 3.5-4 cm in diam. Pedicels 3-5 cm, slender. Sepals narrowly ovate, 1-1.5 cm, reflexed at anthesis. Petals golden yellow, broadly ovate, subequal, 2.5-3.5 cm, shortly clawed. Stamens 10, 3 long with curved filaments 3-4 cm, anthers ca. 5 mm, exceeding petals, 4 short with straight filaments 6-10 mm, reduced stamens with minute anthers. Ovary stalked, strigulose; stigma small. Legume pendulous, blackish brown, terete, sausage-shaped, indehiscent, 30-60 cm, 2-2.5 cm in diam. Seeds numerous, separated by papery septa, glossy brown, elliptic, flattened. 2n = 28.

  • Provided by: [I].Flora Of CHina @
    • Source: [
    • 1
    • ]. 

    Cassia fistula L., Sp. Pl. 377. 1753; Cathartocarpus fistula (L.) Pers.; Bactyrilobium fistula (L.) Willd.

    Arboles, hasta 6 m de alto; ramas y follaje puberulentos o glabros. Hojas 20–50 cm de largo; folíolos 3–7 pares, ovados, 9–21 cm de largo y 4.5–8.5 cm de ancho, subacuminados, 30–60 nervios secundarios a cada lado del nervio principal; pecíolos 40–80 mm de largo, estípulas subuladas, 1–2 mm de largo, caducas. Racimos con 15–75 flores, pedicelos 30–60 mm de largo; sépalos tempranamente reflexos, el más grande 6–10 mm de largo; pétalos amarillo-dorados con nervadura café cuando secos, el más largo 20–32 mm de largo; filamentos glabros, los 3 filamentos sigmoides ca 30–43 mm de largo, anteras fértiles dorsalmente pilosas. Fruto en forma de bastoncillo, terete, 30–60 cm de largo y 1.5–2.5 cm de ancho, negro o café obscuro cuando maduro; semillas 7.5–10 mm de largo.

    Común, cultivada en las zonas urbanas; fl todo el año, fr abr, ago; Araquistain 57, Guzmán 72; paleotropical pero ampliamente cultivada en parques y jardines en los trópicos americanos. La pulpa de la legumbre se usa como purgante. "Cañafístula".

  • Provided by: [G].Flora de Nicaragua
    • Source: [
    • 2
    • ]. 

    puberulent to glabrous above, lightly pubescent below; petiolules up to 1 cm. long. Inflorescence a large, graceful, pendent, many-flowered raceme; pedicels slender, usually 3-4 cm. long. Flowers large, showy, yellow; sepals 5, comparatively small (usually about 6 mm. long), ovate or oblong, puberulent; petals 5, large, about 2 cm. long or longer, ovate-orbicular, short-clawed, venose; stamens 3-morphic; the 3 lowermost almost 3 cm. long, the anthers ovate-oblong, 4-5 mm. long, glabrous, dehiscent apically and basally; the 4 median stamens about 1 cm. long, the anther ovate-oblong, sagittate, about 4 mm. long, dehiscent from the basal lobes (and apical pores); 3 uppermost stamens shorter and smaller, somewhat unequal, the anthers similar to the median ones; ovary slender, lightly pubescent. Legume (reported) cylindric, about 50 cm. long, indehiscent, with horizontal seeds.

  • Provided by: [E].Flora de Panama
    • Source: [
    • 3
    • ]. 

    Tree up to 20 m., usually glabrous. Leaves large, several-foliolate; petiole about 5 cm. long, glabrous, eglandular; rachis usually 2-4 dm. long, like the petiole; stipules small, caducous; leaflets normally 4-8 pairs, large, 8-20 cm. long and up to 8 cm. wide, ovate to lanceolate, acute apically, very obtuse basally,

  • Provided by: [E].Flora de Panama
    • Source: [
    • 3
    • ]. 

    Tree, up to 20 m tall. Bark in young tree smooth and ash coloured becoming rough and dark brown in old. Stipules deltoid, acute, 1-2 mm long, caducous. Rachis 12-25 cm long, terete, glabrous. Leaves compound 22.5-40 cm long, with 3-8 pairs of opposite leaflets, 6-10 (20) cm long, smooth above, hairy below. Flowers arranged in drooping racemes, each raceme c. 10-45 cm long; peduncle 2-10 cm long. Pedicel 3.7-5.8 cm long, slender, slightly hairy or quite smooth, bracts 8-10 mm long, ovate, acute, hairy. Calyx 5, green, folded backward on the stalk, hairy, ovate, 9 mm long. Petals 5, obovate, blunt, distinctly veined. Stamens 10, 3 longest stamens much curled and bear large oblong anthers, 4 smaller medium ones are quite straight, 3 remaining stamens are quite short, erect and sterile. Ovary slender, thinly appressed hairy, style sturdy, stigma punctiform. Pods terete, glabrous, indehiscent, 40-60 cm long, 1.5-2 cm broad, black glossy brown, 40-100 seeded.

  • Provided by: [H].Flora of Pakistan
    • Source: [
    • 4
    • ]. 



  • Provided by: [E].Flora de Panama
    • Source: [
    • 3
    • ]. 


    Central America; West Indies; northern South America: native to Asia.

  • Provided by: [E].Flora de Panama
    • Source: [
    • 3
    • ]. 

    Other Local Names


     Information From

    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    MBG Floras Images
    Flora images. Missouri Botanical Garden. Accessed on Jun. 2018.
    • B Missouri Botanical Garden
    • C Missouri Botanical Garden
    • D Missouri Botanical Garden
    Flora de Panama
    Robert E. Woodson, Jr. and Robert W. Schery Annals of the Missouri Botanical Garden Vol. 67, No. 4 (1980), pp. ii-xxxiii
    • E Missouri Botanical Garden
    Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
    Brazil Flora G (2014): Brazilian Flora 2020 project - Projeto Flora do Brasil 2020. v393.147. Instituto de Pesquisas Jardim Botanico do Rio de Janeiro. Dataset/Checklist. doi:10.15468/1mtkaw
    • F Group Brazil Flora, REFLORA Program
    Flora de Nicaragua
    WD Stevens, CU Ulloa, A Pool and OM Montiel. Missouri Botanical Garden Press, 2001
    • G Missouri Botanical Garden
    Flora of Pakistan
    Flora of Pakistan. Missouri Botanical Garden. Accessed on Jun. 2020.
    • H Missouri Botanical Garden
    Flora Of CHina @
    'Flora of China @ eFloras (2008). Published on the Internet [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • I Missouri Botanical Garden
    World Flora Online consortium
    World Flora Online Data. 2018.
    • J CC0 1.0 Universal (CC0 1.0).
    Global Tree Search
    BGCI. 2018. GlobalTreeSearch online database. Botanic Gardens Conservation International. Richmond, U.K. Available at Accessed on 30/11/2018.
    • K Botanic Gardens Conservation International