Cactaceae are among the most celebrated angiosperm families, due to their species richness, dramatic adaptations to water scarcity, and charismatic morphological variation. The ~1,850 species have evolved a vast variety of morphological forms including tiny buttons, massive “trees”, drooping epiphytes, and impressive barrels.

Sep 14, 2023 · Through the process of natural selection, cacti have developed unique adaptations that allow them to thrive in arid environments. Their evolution involved the modification of leaves into spines and the development of a specialized stem structure for water storage.

May 15, 2006 · In a groundbreaking new study in the June issue of American Naturalist, Erika J. Edwards (Yale University and University of California, Santa Barbara) and Michael J. Donoghue (Yale University)...

Mar 28, 2024 · There are over 100 species of columnar cacti found throughout Central and South America, the largest and greatest variety of which are found in Mexico. Just three species grow natively as far north as Arizona – organ pipe cacti, senitas, and of course, the beloved saguaros.

Dec 26, 2022 · Let's take a closer look at cacti in their natural habitats, from the scorching sun to the rare rainfalls that shape their lives. In this article, we'll explore the diverse environments where cacti thrive, how they adapt to such extreme conditions, and what makes each habitat unique.

Pereskia (Cactaceae) comprises 17 species of leafy shrubs and trees that are thought to represent the original cactus condition. Recent phylogenetic work has shown that there are two separate clades of Pereskia species, which are basal …

From deserts to rocky slopes, these plants have evolved unique features that help them survive in harsh, arid conditions. 40 Most Popular Types Of Cacti Pictorial Guide. Cacti are a unique and fascinating group of plants that have adapted to thrive in …

Finding a complete sea urchin shell feels like a gift: bleached pure white, purple spines long gone, the five fold symmetry still legible in the rhythm of large and small bumps radiating out from a central axis. Bishop's Cap Cactus. This small cactus from Mexico (Astrophytum myriostigma) also has a five-fold central symmetry. Olive Shell.

Cacti consist of several key parts that facilitate their survival in parched landscapes. These components include areoles, flowers and buds, meristems, spines and glochids, root systems, and stems. Each part plays a vital role in the cactus’ overall success within its ecosystem.

Oct 25, 2018 · Copenhagen-based artist Turi Heisselberg has spent nearly two decades creating ceramic works that explore the character and texture of clay through their mesmerizing forms. In the series ‘ Organic Shapes ’ from 2013, Heisselberg’s vessels …