Croton trinitatis Millsp.
  • Publ. Field Columb. Mus., Bot. Ser.
  • 'croto'


Cite taxon page as 'WFO (2020): Croton trinitatis Millsp. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000932612. Accessed on: 09 Jul 2020'

General Information

Croton trinitatis Millsp., Publ. Field Columbian Mus., Bot. Ser. 2: 57. 1900; C. miquelensis A.M. Ferguson; C. tragioides S.F. Blake.

Hierbas anuales, 0.1–0.8 m de alto, ramitas estrellado-híspidas. Hojas ovadas, 2–5 cm de largo y 1–4 cm de ancho, agudas en el ápice, obtusas en la base, márgenes gruesamente serrados, estrellado-pubescentes, 3–5-nervias en la base; pecíolos 0.5–3.5 cm de largo, con glándulas apicales apareadas 0.3–0.6 mm de ancho, obviamente pediculadas, estípulas lanceoladas, 0.5–1 mm de largo. Racimos bisexuales, terminales o pseudoaxilares, hasta 1 cm de largo, flores pistiladas 1–3 por racimo, solitarias en los nudos inferiores de los racimos; flores estaminadas con pedicelos ca 0.5 mm de largo, sépalos valvados, lanceolados, 0.6–0.9 mm de largo, estrellado-pilosos, con ápices verdosos, pétalos espatulados, tan largos como los sépalos, agudos, receptáculo velloso, estambres 8–10, filamentos glabros, anteras ca 0.3 mm de largo; flores pistiladas con pedicelos hasta 1.5–2.5 mm de largo cuando en fruto, sépalos valvados, desiguales, oblanceolados, 2.5–3.3 mm de largo, agudos, subenteros, pétalos subulados, 0.3–0.4 mm de largo, ovario hispídulo, estilos bipartidos, 0.7–1.1 mm de largo. Cápsula ca 4.5 mm de largo; semillas comprimidas, 3–3.6 mm de largo, lisas.

Maleza común en áreas alteradas, en todo el país; 0–500 m; fl y fr todo el año; Neill 2533, Stevens 4049; sur de los Estados Unidos a Sudamérica, también en las Antillas. Es usada para irritaciones de la piel.

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

    Annual herb, rather sparsely branching, ca 2-8 dm high; monoecious; stems slender, sparsely to moderately appressed-pubescent with long-radiate stellate hairs (spreading hairs up to 1 mm long). Leaves membranous; petioles stellate-pubes- cent ca 0.5-3.5 cm long, the petiolar glands distinctly stalked, as long as to twice as long as broad, 0.3-0.6 X 0.2-0.5 mm; stipules greenish, more or less subulate-tipped from a broader base, 0.4-1.1 mm long; blades oblong-deltoid to ovate, mostly 2-5 cm long, 1-4 cm broad, hispidulous-stellate above (hairs ca 0.2-0.8 mm across), radiate-stellate beneath (hairs ca 0.2-0.6 mm wide, 7-10-radiate), the veins at base 3(-5), with 3-5 additional veins on each side, the base obtuse, the margins coarsely serrate, major teeth ca 7-12 on a side, the apex acute. Inflorescences termi- nal or pseudoaxillary (in forks of branches), bisexual, ca 1 cm long or less, sub- sessile or with a short peduncle up to 0.5 cm long, with 2-4 proximal 9 flowers and 5-8 distal c flowers; bracts inconspicuous, greenish, pointed, less than 1 mm long, not or obscurely glandular at base. Staminate flowers with glabrous pedicels 0.3-0.6 mm long; calyx-lobes 5, with greenish sparsely hispidulous tips, ca 0.6-0.9 mm long; receptacle villose; petals ca as long as calyx-lobes, distinctly pointed; stamens 8-10, the filaments glabrous, 0.7-1 mm long, the anthers 0.25-0.3 mm long. Pistillate flowers with short densely pubescent pedicels which attain 1.5-2.6 mm long in fruit; calyx-lobes 5, subequal, oblanceolate or spathulate, ca 2.5-3.3 mm long, stellate-hispidulous; disc obscure; petals subulate, ca 0.3-0.4 mm long; ovary densely hispidulous, the styles bipartite, 0.7-1.1 mm long, the tips ? spreading, not inrolled. Capsules ca 4.5 mm long, stellate-pubescent; seeds compressed, blackish-brown, smooth (minutely foveolate-reticulate), not beaked, 3-3.6 mm long, 2.2-2.5 mm broad, the caruncle bilobed, 0.4-0.5 mm high, 1.1-1.3 mm broad.

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

    Hierba, 0.3–1.5 m, con indumento de tricomas estrellados; ramitas verticiladas, glabras o esparcidamente pubescentes con tricomas hasta ca. 1 mm; estípulas 0.04–0.12 cm, lineares, enteras. Hojas alternas a (en las ramificaciones) subopuestas, el pecíolo con 2 glándulas pediculadas en el ápice lateral; lámina 1–6 X 0.4–4 cm, ovada o lanceolada, obtusa en la base, aguda en el ápice, no lobulada, crenada o dentada, ± densamente pubescente en el envés, subpalmadamente nervada. Infls. racemosas, 1–2 cm; bractéolas deltadas, persistentes. Fls. estaminadas con pétalos; estambres 8–10. Fls. pistiladas con pedicelo hasta ca. 3 mm; sépalos 5, subenteros; estilos con 2 brazos cada uno. Frs. 0.4–0.5 cm.

  • Provided by: [D].Manual de Plantas de Costa Rica
    • Source: [
    • 4
    • ]. 

    Habit

    herb

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

    Distribution

    A widespread and rather common weed in the Caribbean area (Florida and the Bahamas south to Panama, Venezuela, and Trinidad); also occurring sporad- ically in much of South America.

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

    Distribution Map

     
    • Native distribution
    Found in
    • Southern America Brazil Acre
    • Amapí
    • Amazonas
    • Parí
    • Rondônia
    • Tocantins
    • Alagoas
    • Bahia
    • Ceará
    • Maranh
    • Paraába
    • Pernambuco
    • Sergipe
    • Rio Grande do Sul
    • Minas Gerais
    • Rio de Janeiro
    • Mato Grosso
    • Mato Grosso do Sul

    Other Local Names

    NameLanguageCountry
    'croto'Portuguese
    'velame'Portuguese

     Information From

    Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
    http://floradobrasil.jbrj.gov.br
    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
    • A Group Brazil Flora, REFLORA Program
    Euphorbiaceae
    • B CC0 1.0 Universal (CC0 1.0).
    Flora de Panama
    http://www.tropicos.org/Project/PAC
    Robert E. Woodson, Jr. and Robert W. Schery Annals of the Missouri Botanical Garden Vol. 67, No. 4 (1980), pp. ii-xxxiii
    • C Missouri Botanical Garden
    Manual de Plantas de Costa Rica
    http://www.tropicos.org/Project/Costa%20Rica
    Hammel, B. E.; Grayum, M. H.; Herrera, C.; Zamora, N. Manual de Plantas de Costa Rica. Missouri Botanical Garden Press, 2003-2014
    • D Missouri Botanical Garden
    Flora de Nicaragua
    http://www.tropicos.org/projectwebportal.aspx?projectid=7&pagename=Home&langid=66
    WD Stevens, CU Ulloa, A Pool and OM Montiel. Missouri Botanical Garden Press, 2001
    • E Missouri Botanical Garden
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • F CC0 1.0 Universal (CC0 1.0).