About
This perennial rosetted herb, *Pinguicula conzattii*, is notable for its pubescent winter leaves and its ability to form non-carnivorous rosettes during dry periods to conserve energy. It is found in the Mexican state of Oaxaca, growing on shaded rock walls.
Field notes
Morphology
It is a perennial rosetted herb bearing stiff, ground-hugging, rotund leaves that measure 28–50 mm (1-2 in) long and are supported by 10–20 mm (3⁄8–7⁄8 in) petioles. The leaves are densely covered with stalked mucilaginous and sessile digestive glands. During dry winter conditions, the plant forms non-carnivorous rosettes of short leaves. The flowers are white to violet and appear in November.
Distribution & habitat
It is known only from its type location near Santiago Nuyoo in the district of Tlaxiaco in the Mexican state of Oaxaca, growing on well-shaded vertical rock walls at approximately 2700 m in altitude.
Ecology
The leaves are covered with digestive glands that trap and digest insect prey, absorbing the resulting nutrient mixture to supplement its nitrate-low environment. The plant forms non-carnivorous rosettes during dry periods to decrease energy loss.
History & etymology
The species is named in honour of Cassiano Conzatti, an Italian-born botanist who spent most of his life in Mexico.
Habitat
- Altitude
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- Altitude Class
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Cultivation
- Difficulty
- intermediate
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