Hibbertia hypericoides [Yellow Buttercups]

[LookCloser]

Hourston, M. (2022) Hibbertia hypericoides (DC.) Benth (Dilleniaceae) Yellow Buttercups. Flowers photographed in ultraviolet and visible light. LINK

 

Location: Banksia woodland, Perth metropolitan area, Western Australia

Date: 21 August 2022

Australian endemic wildflower in natural vegetation

 

Synonyms: Pleurandra hypericoides

  

Comment:  Low shrub with very prolific flowers during the late winter and early spring. Endemic to Southwestern Australia.

Very common in natural bushland throughout its range, including remnant pockets in suburban areas.

 

Reference:

Thiele KR and Cockerton G (2015) A revision of the Hibbertia hypericoides species group (Dilleniaceae) Nuytsia 25:293-294.

 

Visible Light

Olympus EM1ii, Olympus 12-40m pro f2.8

[24mm, F7, 1/250", ISO 200, ] Flash lit.  

 

Ultraviolet Light:

Olympus EM5i Full-spectrum modified, Rodenstock Ysaron 75mm f4.5, macro helicoid adapter,

Kolari UV bandpass filter [F5, 1/8",  ISO 1000, 2 focal stacked images]  Natural sunlight

 

 

Wider view of the bushland in UVR showing the blooming bushes

 

Published [22/08/2022]

Updated [22/08/2022]

 

 

 

[colinbm]

Thanks for showing this nice flower.

[LookCloser]

Thanks Colin,  the insect activity around these flowers is amazing, and you can see why by how much they stand out from the rest of the vegetation in UV

[Andrea B.]

That is cool to see the UV scene. The flowers do stand out so brightly. 

[LookCloser]

Thanks Andrea, 
You can probably also see a different UV-blue species in the left half of the frame too.