Thriving across the parched soils of the Chihuahuan Desert and southern Texas, Castela nicholsonii var. texana features a dense network of spiny branches that protect it from herbivores.
This deciduous shrub is highly adapted to extreme temperature fluctuations. Its bitter properties have historically attracted the attention of traditional medicine practitioners in its native range.
This botanical variety displays several unique xerophytic adaptations that help it conserve moisture in arid climates.
Spring to early summer
In regional ethnobotany, the roots and bark of this variety have been utilized for their therapeutic properties.
The common name "amargoso" refers directly to the extremely bitter taste of all plant parts. This bitterness is caused by quassinoids, chemical compounds that act as natural defense agents against insect pests and herbivores.
Agathis lanceolata
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