FIGURE 2 in A new endemic species of Acanthocereus (Cactaceae) from southern Jalisco, Mexico

FIGURE 2. Illustration of Acanthocereus atropurpureus. A: habit and growth form. B: detail of the mature stem. C: cross-section of the mature stem. D: areole and spines. E: young plant (from seedling). F: close-up of the young stem (new growth from the mature stem). G: close-up of the flower bud. H: longitudinal section of the flower. I: fruit attached to the stem. J: longitudinal section of the fruit. K: seed and close-up of the testa seed.