Kalanchoe pinnata

Closeup of opening flower.
The "leaves" of this species are actually leaf-stem combinations called phylloclades. They are thick, fleshy, elliptical in shape, curved, with a crenate or serrated margin, often reddish. Simple at the base of the stem, the phylloclades are imparipinnate at the top, 10–30 cm (4–12 in) long, with three to five pairs of fleshy limb lobes. 
The phylloclades are remarkable for their ability to produce bulblets. At their margin, between the teeth, adventitious buds appear, which produce roots, stems and leaves. When the plantlets fall to the ground, they root and can become larger plants. This is a fairly common trait in the subgenus Bryophyllum. The fruits are follicles (10–15 mm) which are found in the persistent calyx and corolla.The terminal inflorescence is a panicle, with many pendent, red-orange flowers. The calyx is formed of a long tube, red at the base, veined with yellowish green (or green spotted with reddish brown), with four very small triangular lobes at the end. The tubular corolla, with a pronounced constriction separating the subspherical part of the ovoid part, is terminated by four lobes which reaches 5 cm (2.0 in) in length. It is yellowish in color with red-purple streaks. The eight stamens, each about 4 cm (1.6 in) long, are in two whorls, welded on the corolla. The ovary has four carpels, slightly fused together in the center, with slender styles.

Kalanchoe Pinnata

Kalanchoe pinnata

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