Summary
Gordon Rowley's "Caudiciform and Pachycaul Succulents" classifies and describes a distinct group of succulents characterized by swollen, water-storing stems (caudices) and thickened, often bottle-shaped bases (pachycauls). The book's central thesis is to provide a comprehensive botanical and horticultural guide to these plants, distinguishing them from other succulent types and detailing their specific cultivation needs. Rowley emphasizes their unique evolutionary adaptations for arid environments and their appeal as aesthetically striking additions to collections.
The book details numerous genera and species within this group, including iconic examples like Adenium, Pachypodium, and Dorstenia. It covers their geographical origins, morphological features, reproductive strategies, and practical advice for propagation, watering, soil, and overwintering. Readers gain a thorough understanding of the taxonomy and care requirements for these specialized succulents, enabling successful cultivation and appreciation of their unusual forms.
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Key concepts
- Caudex — The swollen, underground or above-ground stem base of certain succulent plants used for water and nutrient storage.
- Pachycaul — Refers to plants with a thickened, often bottle-shaped or trunk-like stem, particularly common in succulents.
- Adenium — A genus of flowering plants in the dogbane family, known for their prominent, swollen caudices and vibrant blooms, commonly called desert roses.
- Pachypodium — A genus of succulent plants native to Africa and Madagascar, characterized by thick, spiny stems and terminal rosettes of leaves, often producing showy flowers.