Article from Bean's Trees and Shrubs Hardy in the British Isles
Recommended citation
'Fendlera' from the website Trees and Shrubs Online (treesandshrubsonline.
A genus of three species (POWO 2025) in the south-western United States and Mexico, allied to Jamesia but differing in its entire leaves and tetramerous flowers (the sepals, petals and styles are each four in number, the stamens eight).