The partridge pea aligns resonantly with a West-facing display. Western Feng Shui philosophy believes in nurturing allure and charm, perfectly embodied by this captivating plant. Its inviting aura could potentially balance the energy of the setting. However, like all Feng Shui related matters, the result may differ based on individual experiences and the overall environment.

The malabar plum is considered compatible with the East-facing direction. This is based on the Feng Shui principle that attributes wooden elements and nourishing energy to the East, a profile that malabar plum subtly complements with its lush foliage and soothing aura. However, individual experience with malabar plum in such placements may vary, keeping in tune with the personal and intuitive aspect of Feng Shui.

The flower-of-an-hour is considered to carry soothing, harmonious energies in Feng Shui practice. A South-facing placement of flower-of-an-hour amplifies the flow of positive chi, associated with the Fire element, which is symbolically linked to the vibrant, fiery transitions in flower-of-an-hour's blooming period. However, the leaf-shape may suggest water elements, establishing a dynamic balance. Remember that Feng Shui interpretations can vary, and personal experience is key.

The panicledleaf ticktrefoil may resonate favorably with Feng Shui-practiced spaces. Its delicate structure is indicative of harmonious chi flow, which is crucial in Feng Shui. Facing Southwest, the panicledleaf ticktrefoil could potentially encourage marital happiness and romance, owing to the Southwest's association with the Earth element and the aspect of love in Feng Shui. However, individual experiences may vary as Feng Shui is a highly personal and subjective practice.

The selaginella tamariscina has a distinct and flexible form, matching the heart of Feng Shui equilibrium. Particularly compatible with the Center facing direction, the plant represents stability and adaptability, mirroring the core principle of the Earth elements which governs the Center of the Bagua. However, diverse views exist shaping the subjective nature of Feng Shui. Always consider personal context and belief when implementing these guidelines.

The tall flatsedge shows potential compatibility with Feng Shui principles. It's thought, without complete certainty, to harmoniously interact with the North-facing direction. This is due to its upright growth habit, symbolizing growth and advancement, akin to the Water element associated with North. However, this remains a subjective interpretation and may vary among experts.

The bitter ginger is believed to have a harmonious relationship with the North-facing direction. This plant's vigorous growth symbolizes a steady flow of prosperity, which aligns well with the Feng Shui water element associated with North. However, interpretations can vary, depending on the individual's understanding of Feng Shui principles.

The sea campion is said to align well with the North facing direction in Feng Shui, often associated with water due to its affiliations with marine environments. Please note, however, that Feng Shui interpretations can be contingent on individual circumstance and preferences.