Thursday, May 21, 2009

Yellow flowered Mamms

This dainty cactus rewards the grower with showy and lemon-scented yellow flowers. Mammillaria surculosa is reported from the Mexican states of Tamaulipas and San Luis Potosi. In the wild it forms dense mats.

In cultivation it quickly clusters in a few years. The flowers are very individual for this genus with crocus-like petals.

This and the following plant were previously placed in the genus Dolichothele due to the large tubercles and relatively large flowers. Dolicothele has been relegated to Subgenus under Mammillaria.

Mammillaria baumii is another sweetly-scented yellow-flowered charming plant. In habitat it is often found in the shade mostly on bare rocks.

It comes from the Mexican State of Tamaulipas. I have seen this species near the town of San Vicente where it forms sizable low mats.

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