Crotalaria rotundifolia J.F.Gmel.


Cite taxon page as 'WFO (2020): Crotalaria rotundifolia J.F.Gmel. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000182942. Accessed on: 23 Nov 2020'

General Information

Crotalaria rotundifolia (Walter) Walter ex J.F. Gmel., Syst. Nat. 2: 1095. 1792; Anonymos rotundifolia Walter; C. rotundifolia var. vulgaris Windler.

Hierbas postradas; tallos teretes, escasamente pilosos. Folíolo 1, ampliamente elíptico a ovado, 1.8–2.4 cm de largo y 1–1.3 mm de ancho, ápice agudo a mucronulado, base redondeada a cuneada, estrigoso; pecíolos 0.1–0.2 cm de largo, estípulas ausentes o decurrente-patentes sobre el tallo. Inflorescencias 2–7 cm de largo, con 1–3 flores, pedicelos 3–4 mm de largo, brácteas lineares, 3–4 mm de largo, bractéolas 3–4 mm de largo, flores amarillas; lobos del cáliz 7 mm de largo y 5 mm de ancho; estandarte 4.5–6 mm de largo y 4–7 mm de ancho, alas 4–5 mm de largo y 3–4 mm de ancho, quilla 6–7 mm de largo y ca 6 mm de ancho, con un rostro corto. Legumbres 1.7–2 cm de largo, glabras, negras; semillas cordiformes, cafés.

Conocida en Nicaragua por una sola colección (Standley 8314) de bosques húmedos, Sierras de Managua; 800–900 m; fl y fr may; sureste de Estados Unidos a Costa Rica.

  • Provided by: [C].Flora de Nicaragua
    • Source: [
    • 1
    • ]. 

    Herb, perennial, prostrate, to 3 dm long; stem terete, sparsely sericeous, pilose. Leaves unifoliolate, the leaflets narrowly elliptic to lanceolate, apex acute, acuminate or mucronulate, the base rounded to cuneate, 18-25 mm long, 5-13 mm broad, the margins entire, above strigose, beneath strigose, the veins on each side of the midvein obscure; petiole 1-2 mm long; stipules absent or winging the stem for up to one cm. Inflorescences leaf-opposed racemes, bearing 1-3 flowers, bracts linear, 3-4 mm long; pedicels 3-4 mm long; bracteoles linear, 3-4 mm long, pilose, located on the base of the calyx. Flowers yellow, 9-10 mm long; calyx 9-10 mm long, the tube campanulate, the lobes 2-3 times as long as the tube, pilose; corolla yellow with maroon veins, 9-10 mm long, the standard 4.5- 6.0 mm long, 4-7 mm broad, retuse, the wings 4-5 mm long, the claws 2-2.5 mm long, oblong oblanceolate, oblique, the keel 6-7 mm long, the twisted beak short; stamens dimorphic, the long anthers 0.9-1.5 mm long, the short anthers 0.3-0.5 mm long; style with a pubescent stigma, sharply geniculate, 4.0-5.5 mm long. Legume inflated, 1.7-2.0 cm long, glabrous, black at maturity; seeds ca. 15, brown, oblique cordiform, to 2.5 mm long.

  • Provided by: [B].Flora de Panama
    • Source: [
    • 2
    • ]. 

    "Perennial from a slender root; stems spreading or decumbent, 1–4 dm; stipules ± reduced or wanting; racemes erect, open, few-fld. Dry, open woods and sandy soil; se. Va. to Fla., La., and tropical Amer. Summer. Our plants are var. vulgaris Windler, with ± spreading pubescence and relatively broad lvs mostly 2–3 times as long as wide. (C. angulata, probably misapplied)"

  • Provided by: [D].New York Botanical Garden
    • Source: [
    • 3
    • ]. 

    Habit

    Herb

  • Provided by: [B].Flora de Panama
    • Source: [
    • 2
    • ]. 

    Distribution

    native to the Southern United States, Mexico and Central America.

  • Provided by: [B].Flora de Panama
    • Source: [
    • 2
    • ]. 

      Bibliography

     Information From

    Fabaceae
    World Flora Online Data. 2017.
    • A 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
    • B 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
    • C Missouri Botanical Garden
    New York Botanical Garden
    Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
    • D Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).