The "Anthurium papillilaminum 'Red Stem' x Forgetii" hybrid combines the striking features of both parent species, resulting in a plant with dark, velvety leaves, often with a velvety texture and unique variegation, and distinctive red stems. 
Here's a more detailed description:
Parentage:
This hybrid is a cross between Anthurium papillilaminum (often called "Red Stem" for its characteristic red stems) and Anthurium forgetii. 
Foliage:
The leaves are typically dark green, sometimes with a velvety texture, a trait inherited from Anthurium papillilaminum. 
The leaves can also exhibit unique variegation, a characteristic that can be more prominent in some crosses. 
The leaves are generally heart-shaped, a feature that is common in many Anthurium species. 
Stems:
The stems are often a distinctive red color, a characteristic inherited from the Anthurium papillilaminum parent. 
Flowers:
The flowers are a complex dance of its parents' traits, often signifying a blend of hospitality, love, and a dash of the exotic. 
Care:
These plants prefer bright, indirect light, avoiding direct sunlight which can scorch the leaves. They thrive in a well-draining, chunky soil mix, with additions like coco chips and pumice. Allow the substrate to dry out between waterings, but not for extended periods. 
Other notes:
Anthurium forgetii is known for its distinctive circular leaf shape, unlike most Anthurium species, which have a sinus or indentation where the petiole attaches to the leaf. 
Anthurium papillilaminum is a popular plant for collectors due to its rarity and stunning foliage.