Bitterwood Tree
Picrasma
A genus of deciduous trees and shrubs known for their extremely bitter bark and medicinal …
Saracha punctata is an evergreen shrub or small gnarled tree native to the cool, mist-shrouded cloud forests and high-elevation timberlines of the tropical Andes. Its Latin epithet punctata—meaning spotted or dotted—refers to the striking purple-brown or violet speckles painted across the inside of its nodding, bell-shaped yellow-green to violet flowers.
Belonging to the nightshade family (Solanaceae), the species was first scientifically described in 1799 by the Spanish botanists Hipólito Ruiz López and José Antonio Pavón following their famous botanical expedition to Peru and Chile. It serves as the type species of the genus Saracha, which honors the 18th-century Spanish Benedictine monk and botanist Isidoro Saracha.
Adapted to the cool, windy conditions of the high Andes between 2,500 and 4,000 meters above sea level, Saracha punctata grows as a densely branched shrub or a compact tree reaching 2 to 8 meters in height. Its young twigs are often angled and covered in fine, protective pubescence before maturing into rough, fissured bark.
The plant produces showy, pendulous flowers either singly or in small umbel-like clusters that hang down beneath the foliage. After pollination, the persistent calyx continues to grow slightly around the developing fruit.
Flowers intermittently throughout the year in tropical montane climates, with a peak during the wetter months from October to April.
In rural Andean communities of Peru, Bolivia, and Ecuador, the dense wood of Saracha punctata is occasionally used locally as fuelwood and for constructing living fences around high-mountain pastures. Due to the presence of tropane and other solanaceous alkaloids typical of its lineage, the plant is avoided as livestock fodder, though its striking pendulous blossoms make it a prized subject for high-elevation Andean botanical collections.
Living in the upper montane cloud forests and sub-páramo zones of the Andes, Saracha punctata must flower and set seed in an environment where freezing rain, thick fog, and chilly mountain winds are everyday occurrences. An upward-facing flower in this climate would quickly fill with cold rainwater, diluting its nectar and washing away its pollen.
The architecture of its blossoms solves this meteorological challenge through several integrated features:
Taxon Synonyms: Poecilochroma brevifolia, Bellinia punctata, Poecilochroma lobbianum, Atropa punctata, Saracha frondosa, Poecilochroma punctatum, Poecilochroma macrophylla, Poecilochroma lehmannii, Saracha lobbiana, Capsicum punctatum, Poecilochroma maculatum, Poecilochroma frondosum, Saracha maculata
Picrasma
A genus of deciduous trees and shrubs known for their extremely bitter bark and medicinal …
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