Croton billbergianus Müll.Arg.
  • Linnaea


Cite taxon page as 'WFO (2020): Croton billbergianus Müll.Arg. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000927459. Accessed on: 06 Jul 2020'

General Information

Croton billbergianus Müll. Arg. ssp. billbergianus, Linnaea 34: 98. 1865.

Arboles o arbustos, 3–10 m de alto, ramitas estrellado-pubescentes o furfuráceas. Hojas ovadas, 7–25 cm de largo y 5–18 cm de ancho, abrupta y cortamente acuminadas en el ápice, truncadas a cordadas en la base, márgenes enteros, glabrescentes y ampolladas en la haz, escasa a densamente aplicado y estrellado-pubescentes en el envés, 7–9 nervias en la base; pecíolos 2–20 cm de largo, glándulas apicales apareadas, 1–1.5 mm de diámetro, sésiles, estípulas lanceoladas, 5–7 mm de largo. Racimos bisexuales, terminales, a veces ramificados con 1 ó 2 ejes laterales, 3–15 cm de largo, nudos inferiores con flores estaminadas y pistiladas; flores estaminadas con pedicelos 3–5 mm de largo, sépalos connados en la base, valvados, deltoides, 3–4 mm de largo, pétalos elípticos u oblongos, 3.5–4 mm de largo, vellosos, receptáculo velloso, estambres 14–16, filamentos densamente vellosos en su parte inferior, anteras 1–1.4 mm de largo; flores pistiladas con pedicelos 7–10 mm de largo cuando en fruto, sépalos valvados, elípticos u oblongos, subiguales, 4.5–5 mm de largo, pétalos ausentes, ovario estrellado-tomentoso, estilos basalmente connados, 2 ó 3 veces bífidos, 3–5 mm de largo. Cápsula 8.5–9 mm de ancho; semillas hinchadas, obovoides, 4.3–5 mm de largo, verrugosas.

Rara en bosques perennifolios en la zona atlántica; 0–300 m; fl y fr todo el año; Laguna 8, Stevens 17455; Panamá a Nicaragua, siendo substituida en Honduras por C. billbergianus ssp. pyramidalis (Donn. Sm.) G.L. Webster.

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

    Arbusto o árbol, 2.5–20 m, con indumento de tricomas estrellados, la savia rojiza; ramitas adpreso-furfuráceas; estípulas 0.4–0.7 cm, lineares, enteras. Hojas alternas, el pecíolo con 2 glándulas sésiles o cortamente pediculadas en el ápice; lámina 4–18 X 2–12 cm, ovada a ampliamente lanceolada, truncada o levemente cordada en la base, abrupta y cortamente acuminada en el ápice, no lobulada, entera o levemente aserrada, ± densamente pubescente y glandular- punteada en el envés, pinnada o subpalmadamente nervada. Infls. racemosas o (usualmente) paniculadas, 6–20+ cm; bractéolas lineares, deciduas. Fls. ± aromáticas, las esta- minadas con pétalos; estambres 14–16. Fls. pistiladas con pedicelo 1–8 mm; sépalos 5, enteros; estilos con 4 u 8 brazos cada uno. Frs. ca. 0.9 cm.

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

    Shrub or tree ca 3-10 m high; monoecious; twigs and young foliage closely scurfy with stellate hairs ca 0.1-0.2 mm across. Leaves membranous or thinly chartaceous; petioles stellate-scurfy, ca (2-) 5-20 cm long, the glands at apex of petiole dorsal, sessile, patelliform, yellow, thickened, ca 1-1.5 mm across; stipules subulate-lanceolate, ca 5-7 mm long, densely scurfy, soon deciduous; blades mostly ovate, ca 7-25 cm long, 5-18 cm broad, glabrate and pustulate above, minutely glandular-punctate and sparsely to densely pubescent beneath with stel- late hairs, 7-9-nerved at base, with 6-10 additional veins on either side distally, the base usually cordate, the margins entire, the apex abruptly short-acuminate. Inflorescences terminal, bisexual, racemiform or paniculate (lateral axes mostly 1 or 2), ca 3-15 cm long, often with additional smaller sometimes unisexual racemes at proximal axils; female flowers 3-8 at proximal axils of most inflorescence axes, male flowers many, at distal axils; bracts linear, greenish, stellate, ca 1.5-3.2 mm long, subtending solitary flowers. Staminate flowers with stellate pedicels ca 3-5 mm long; calyx ca 3.5-4.5 mm long, divided ca 2/3 into 5 triangular lobes; receptacle densely villose; petals elliptic to narrowly oblong, 3.5-3.8 mm long, 1-1.5 mm broad, villose, not punctate; stamens 14-16, the filaments densely villose on the proximal half, 4-5 mm long, the anthers elliptic-oblong, 1-1.4 mm long. Pistillate flowers with spreading or reflexed stellate-tomentose pedicels ca 3-5 mm long, be- coming 7-10 mm in fruit; calyx-lobes 5, subequal, elliptic or oblong, obtuse, entire, ca 4.5-5 mm long; disc parted into 5 obcuneate, massive segments ca 1-1.2 mm wide; petals absent; ovary densely tomentose with yellowish multiradiate stellate hairs ca 0.5-1 mm across, the styles basally connate into a stout column 0.5-1 mm high, densely stellate proximally, free ends 3-4.5 mm long, 2 or 3 times bifid, the tips slender. Capsules spheroidal, ca 8.5-9 mm diam, stellate-tomentose, the columella slender, 4.2-4.5 mm long; seeds plump, obovate, brownish, verrucose, slightly and obtusely beaked, 4.3-5 mm long, 3.1-4.1 mm broad, the caruncle with two broad lateral lobes, 0.8-1 mm long, 1.5-2.1 mm broad.

  • Provided by: [C].Flora de Panama
    • Source: [
    • 5
    • 3
    • ]. 

    Habit

    Shrub or tree

  • Provided by: [C].Flora de Panama
    • Source: [
    • 3
    • 5
    • ]. 

    Distribution

    Lowland forests; endemic to Panama, so far as is known.

  • Provided by: [C].Flora de Panama
    • Source: [
    • 5
    • 3
    • ]. 

     Information From

    Euphorbiaceae
    • A CC0 1.0 Universal (CC0 1.0).
    MBG Floras Images
    http://www.tropicos.org/ImageSearch.aspx
    Flora images. Missouri Botanical Garden. Accessed on Jun. 2018.
    • B Missouri Botanical Garden
    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
    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
    • D 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
    • 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).
    Global Tree Assessment
    http://www.bgci.org/
    BGCI. 2018. GlobalTreeSearch online database. Botanic Gardens Conservation International. Richmond, U.K. Available at www.bgci.org. Accessed on 30/11/2018.
    • G Botanic Gardens Conservation International