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Lobelia biflora

Lobelia biflora Rzed.  
Family: Campanulaceae
Lobelia biflora image
  • Mexican Lobelia Project
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Plants annual. Stems up to 15 cm, erect, solitary. Leaves cauline, the petioles 1-4 mm; blades generally ovate, occasionally elliptic or almost orbicular, the margins coarsely toothed, the tips acute, the bases cuneate to subcordate. Flowers in a terminal raceme; pedicels 1-3 mm, glabrous; hypanthium ca. 1.5 mm; nectar spurs absent; calyx lobes ca. 1.5 mm, margins entire, ascending; corollas white tinged pink-purple, the tube ca. 4 mm, with a dorsal slit but without lateral “windows”; filament tube ca. 3.5 mm, the two lower anthers with stiff bristles at the tips. Fruit not seen. Description from Rzed, 2008. Editor: I. Andrade-Munoz, 2025. 
 
Habitat: Growing in pine-oak forests at 2600-2650 m elevation. 
Distribution: Endemic to Veracruz. 
 
Note: L. biflora can appear similar to L. schmitzii in leaf shape, corolla characteristics, and geographic range. However, it is differentiated from L. schmitzii by its longevity; L. biflora is a perennial while L. schmitzii is an annual.  
 
Plantas anuales. Tallos hasta 15 cm, erectos, solitarios. Hojas caulinares, los pecíolos 1-4 mm; láminas generalmente ovadas, en ocasiones elípticas o casi orbiculares, los márgenes dentados, las puntas agudas, las bases cuneadas a subcordatas. Flores en un racimo terminal; pedicelos 1-3 mm, glabros; hipanto ca. 1.5 mm; esponoles de néctar ausentes; lobulos del caliz ca. 1.5 mm, márgenes enteros, ascendiendo; corolas blancas con manchas rosas-moradas, el tubo ca. 4 mm, con una raja dorsal pero sin “ventanas” laterales; tubo de los filamentos ca. 3.5 mm, las dos antares inferiores con pelos erizados en las puntas. Fruto no visto. Descripción de Rzed, 2008. Editora: I. Andrade-Munoz, 2025. 
 
Hábitat: Creciendo en bosques de pino-encino a 2600-2650 m de elevación. 
Distribución: Endemico a Veracruz.  
 
Nota: L. biflora puede aparecer similar a L. schmitzii en forma de hoja, características de la corola, y distribución geográfica. Es diferenciada de L. schmitzii por su longevidad; L. biflora es planta perenne, mientras L. schmitzii es planta anual. 
Lobelia biflora image
Lobelia biflora image
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This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].

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