Endemic to the diverse landscapes of Mexico, Picrasma mexicana inhabits dry tropical forests and deciduous woodlands. This resilient woody plant plays a subtle yet important role in stabilizing soils and providing shelter for local fauna within its native range.
Its distribution spans several Mexican states, including Chiapas, Jalisco, and Veracruz. Botanists study this species to better understand the evolutionary history of the Simaroubaceae family in Mesoamerica.
Growing as a deciduous shrub or a small tree, this species features smooth greyish bark and young twigs that are often covered in fine lenticels. The leaflets are arranged in a pinnate structure, exhibiting an oblong-lanceolate shape with entire margins.
Tiny, inconspicuous flowers are organized in loose, branching cymes that emerge from the leaf axils. The plant produces small, rounded drupaceous fruits that turn darker as they reach maturity, containing a single hard seed.
Extracts from the bark and wood of Picrasma mexicana have been traditionally used in local ethnobotanical practices for their intense bitterness. Modern research interests focus on the isolation of quassinoids, which exhibit potential anti-inflammatory and antiparasitic bioactivities.
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