How to identify Christmas cactuses (Schlumbergera)

How to identify Christmas cactuses (Schlumbergera)

Christmas cactuses, also known as Crab cactuses

Christmas cactuses is characterized by its succulent, segmented stems and vivid, tubular flowers which burst in a spectrum of hues from pink to red, to rare whites and yellows. Its stems arc gracefully, reaching a spread of up to 3 feet (91 cm). This plant thrives in conditions that mimic its jungle origins, favoring bright, indirect light and high humidity. The flowering cycle of christmas cactuses is in tune with the shorter days of the year, making its blossoms a seasonal spectacle.

Lifespan: Perennial

Leaf Type: Evergreen

Quickly Identify Christmas cactuses

Segmented stem stems with vibrant tubular flowers in pink, red, white, and yellow.

Bilaterally symmetrical flowers with showy tepals, 3 inches (7.5 cm) long, blooming in winter-spring.

Segmented 'leaves' resembling flat green segments, 1.5-3 inches (4-7.5 cm) long, shiny with scalloped edges.

Segmented stem 'Y'-shaped, serrate edges, areoles for flowers, up to 3 inches (7.5 cm) long.

Detailed Traits of Christmas cactuses

Leaf Features

The 'leaves' of christmas cactuses are actually segmented stem sections, which can be mistaken for leaves due to their flattened, green appearance. Each segment typically measures about 1.5-3 inches (4-7.5 cm) in length and 0.5-1 inch (1.3-2.5 cm) in width. They have a smooth texture and a shiny surface with slightly scalloped or notched edges. The segments are joined by a narrow constriction, giving a unique, chain-like appearance. The color is a vibrant green, sometimes with a hint of reddish edges when exposed to bright light.

Learn About the Leaf Glossary

Flower Features

The flowers of christmas cactuses are bilaterally symmetrical and emerge from areoles at the stem ends. Each flower has brightly colored and showy tepals, appearing in shades such as pink, red, orange, or white. The tepals are arranged in a distinctive, layered fashion, creating a striking visual effect. Typically, these flowers measure about 3 inches (7.5 cm) in length. They bloom between early winter and early spring. The flowers are also known for their lack of scent, making them ideal for indoor displays.

Learn About the Flower Glossary

Stem Features

The stem of christmas cactuses is segmented and branches into a 'Y' shape. Each segment, known as a cladode, is typically serrate or crenate along the edges. These segments are usually flattened, with areoles situated at the tips where flowers or hairs may emerge. The stem segments are often green to varying shades, and can grow up to 3 inches (7.5 cm) long. The texture is smooth and fleshy, contributing to the plant's overall succulent appearance.

Learn About the Stem Glossary

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