Sophora secundiflora, commonly known as Texas mountain laurel or mescal bean, is a small evergreen tree or large shrub native to the southwestern United States and northern Mexico. Here are some key characteristics and information about the Sophora secundiflora tree:

1. Appearance: Texas mountain laurel typically grows to a height of 10 to 15 feet (3 to 4.5 meters) tall, though it can occasionally reach up to 30 feet (9 meters) under ideal conditions. It has a dense, rounded crown with dark green, leathery, compound leaves composed of 7 to 9 leaflets.

2. Flowers: One of the most distinctive features of Sophora secundiflora is its fragrant, showy flowers. The blooms appear in clusters from March to May, depending on the region, and are usually purplish-blue in color. The flowers have a strong grape Kool-Aid-like fragrance, which is quite pleasant and noticeable, especially in spring.

3.Fragrance : highly fragrance tree.

4. Environment: Sophora secundiflora is well-suited to arid and semi-arid climates and is often found growing in rocky limestone soils. It is drought-tolerant once established and thrives in full sun to partial shade. It is hardy in USDA zones 7 through 11.

5. Landscaping Use: Due to its attractive appearance and fragrant blooms, Texas mountain laurel is commonly used in landscaping as a specimen tree or large shrub. It also works well in xeriscape gardens and as a container plant.

6. Cultural Significance: The seeds of Sophora secundiflora have historical and cultural significance among indigenous peoples of the southwestern United States and northern Mexico. They were traditionally used in rituals and ceremonies, though it’s important to note that the seeds are highly toxic and should not be ingested.

7. Maintenance: Once established, Texas mountain laurel requires little maintenance. It benefits from occasional deep watering during prolonged droughts and pruning to maintain its shape and remove dead or damaged branches.

8. Toxicity: All parts of the Sophora secundiflora plant, particularly the seeds, contain toxic compounds. This plant should be kept away from grazing animals and small children who might be tempted to ingest the attractive red seeds.

Overall, Sophora secundiflora is a striking and fragrant addition to landscapes in regions with a dry, warm climate. Its tolerance for harsh conditions and eye-catching blooms make it a popular choice for gardens and public spaces across its native range.