Difference between revisions of "Jaborosa"
Gen. Pl., 125. 1789.
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Latest revision as of 13:14, 24 November 2024
Herbs, perennial [annual, biennial], rhizomatous, glabrous [pubescent]. Stems prostrate to ascending, branched. Leaves alternate; blade margins entire or denticulate [lobed, pinnatisect, bipinnatisect]. Inflorescences axillary, solitary or fascicled flowers. Flowers 5-merous; calyx ± accrescent, campanulate, lobes 5, as long as or longer than tube; corolla white [yellow or purple], radial, salverform [rotate, campanulate, urceolate, cylindric], lobes acute to acuminate, flaring to reflexed; stamens inserted centrally or distally on corolla tube, equal; anthers dorsifixed, ellipsoidal, dehiscing by longitudinal slits; ovary 2–5-carpellate; style filiform; stigma capitate or 2–5-lobed. Fruits berries, subglobose-compressed, juicy. Seeds globose-reniform. x = 12.
Distribution
Introduced; South America.
Discussion
Species 23 (1 in the flora).
Species of Jaborosa are sometimes cultivated as ornamentals, dating back to the mid-nineteenth century (J. D. Wilson 1851). Jaborosa is a source of withanolides, which may be useful as insecticides (J. C. Oberti 1998).
Selected References
None.