Kalanchoe daigremontiana

Floral Morphology

Kalanchoe daigremontiana, commonly known as Mother of Thousands, produces distinctive tubular flowers when the plant reaches maturity.

The flowers are bell-shaped and pendulous, arranged in terminal panicles that create an attractive display.

Each flower measures about 2-3 cm in length and displays a characteristic pinkish-gray to coral-pink coloration, though the exact shade can vary.

The corolla is tubular with four petals fused together, terminating in reflexed lobes at the tip that curl backward.

The flowers hang downward in loose clusters, giving them a delicate, pendant appearance.

Within each flower, eight stamens are arranged in two whorls and attached to the inner surface of the corolla tube.

Blooming typically occurs during winter to early spring in the plant's native range, though flowering can be somewhat irregular in cultivation.

Plants generally need to reach 2-3 years of age before they are mature enough to produce flowers - though I have seen many of my plants flower in their first and second year. It seems to depend on their environement and the amount of light they receive.

Reproduction

This species exhibits a remarkable dual reproductive strategy that heavily favors asexual propagation.

The most extraordinary feature of K. daigremontiana is its ability to produce vegetative propagules in the form of tiny plantlets, called bulbils, along the margins of its leaves.

These plantlets develop in the serrations between the triangular "teeth" that line each leaf edge.

What makes this particularly unusual is that each plantlet develops into a complete miniature plant while still attached to the parent leaf, forming roots, stems, and tiny leaves before it ever touches the ground.

The parent plant can produce hundreds of these plantlets simultaneously, creating a living fringe along every mature leaf.

When the plantlets reach sufficient size, they drop readily from the parent, and if they land on suitable substrate, they quickly establish themselves as independent plants.

Sexual reproduction also occurs but plays a secondary role in the species' propagation strategy.

The tubular flowers can be pollinated primarily by birds, particularly hummingbirds in regions where the plant has been introduced, as well as by various insects - but this is not the case in our frosty temperate climates.

Ecology

Kalanchoe daigremontiana is native to Madagascar, where it inhabits dry, rocky environments and areas of natural disturbance.

The plant is physiologically adapted to arid conditions through CAM (Crassulacean Acid Metabolism) photosynthesis, which allows it to conserve water by opening its stomata at night rather than during the day.

This adaptation, combined with its succulent leaves that store water, enables the plant to thrive in environments that would stress many other species.

The species has become highly invasive in warm climates worldwide, including Australia, the Caribbean, and parts of Africa.

• In invaded areas, she often forms dense monocultures that exclude native vegetation by monopolizing space and resourcesm creating significant ecological problems in natural ecosystems where biodiversity is compromised.

Other Names:

Mother of Thousands

Devil's Backbone.