Passion flower (Passiflora foetida) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek ParkLick Creek: Background Notes. College Station, Texas

🎞️ #3617-16
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College Station, Texas, September 8 - 10, 2024

Album 3617: College Station, Texas, September 8 - 10, 2024

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The image presents two photographs of a passion flower (Passiflora foetida), showcasing its distinctive appearance under regular daylight and ultraviolet light exposure.

**Photograph 1: Daylight Exposure**

* The top photograph depicts the passion flower as it appears in regular daylight.
* The flower exhibits a vibrant purple color with yellow accents on its center, surrounded by long, thin tendrils.
* A green stem is visible to the left of the flower.

**Photograph 2: Ultraviolet Light Exposure**

* The bottom photograph shows the same passion flower illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park.
* Under UV light, the purple color deepens and becomes more intense, while the yellow accents remain unchanged.
* The long, thin tendrils surrounding the center of the flower glow brightly in pinkish-purple hues.

**Key Observations**

* The passion flower's appearance changes significantly when exposed to ultraviolet light, with a deeper purple coloration and glowing tendrils.
* This transformation highlights the unique properties of the flower's pigments and their response to different wavelengths of light.

**Conclusion**

The image effectively compares the appearance of a passion flower under regular daylight and UV-A blacklight exposure, demonstrating its striking visual contrast when illuminated by ultraviolet radiation. – AI vision

🇪🇸 Descripción en español / Spanish Description

Flores de la pasión (Passiflora foetida) cuando se exponen a la luz del día normal y también cuando se iluminan con una luz negra ultravioleta de 365 nm en Lick Creek Park, College Station, Texas, el 9 de septiembre de 2024. La imagen presenta dos fotografías de una flor de la pasión (Passiflora foetida), mostrando su apariencia distintiva bajo luz diurna normal y exposición a luz ultravioleta. **Fotografía 1: Exposición a la Luz del Día** *La fotografía superior muestra cómo aparece la flor de la pasión en luz diurna habitual. * La flor exhibe un color púrpura vibrante con acentos amarillos en el centro, rodeada por tallos finos y largos. * Un tallo verde es visible a la izquierda de la flor. **Fotografía 2: Exposición a Luz Ultravioleta** *La fotografía inferior muestra la misma flor iluminada con una luz negra ultravioleta de 365 nm desde Lick Creek Park. * Bajo luz ultravioleta, el color púrpura se profundiza y se vuelve más intenso, mientras que los acentos amarillos permanecen inalterados. * Los tallos finos y largos que rodean el centro de la flor brillan intensamente en tonos morado rosáceo. **Observaciones clave** *La apariencia de la flor de la pasión cambia significativamente cuando se expone a luz ultravioleta, con una profundización del color púrpura y los tallos que brillan. * Esta transformación destaca las propiedades únicas de los pigmentos de la flor y su respuesta a diferentes longitudes de onda de luz. **Conclusión** La imagen compara efectivamente el aspecto de una flor de la pasión bajo la exposición a la luz diurna normal y ultravioleta, demostrando su contraste visual impresionante cuando se ilumina con radiación ultravioleta. – Spanish translation

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