Cycad Boab Export Supply Cycad International
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Ceratozamia Mexicana

DescriptionCycads World

A medium-sized cycad which develops an emergent, often globose, dark brown trunk to 1 m long and 20 cm diameter.

Mature Leaves

10 - 20, erect to spreading in a graceful arching crown, 1.5 - 2.5 m long, dark green, glabrous, flat in cross-section, straight to arching in profile.

Male Cones

20 - 30 x 8 - 12 cm, cylindrical, tapered, erect, recurved or nearly pendent, brown.

Female Cones

20 - 35, 10 - 12 cm, cylindrical to barrel-shaped, erect, grey.

Seeds

About 2 x 1.8 cm, ovoid, the sarcotesta white to cream, smooth.

Distribution and Habitat

Widely distributed in Hidalgo, Puebla, San Luis Potosi and Veracruz, Mexico. This species extends from lowland regions to moderate elevations in the mountains, growing in a range of forested habitats, including wet tropical rainforests, moist to drier woodlands and cloud forests.

C. mexicana is the type of the genus and was described in 1846 from plants cultivated in Paris. Variable features include globose to cylindrical trunks ranging from subterranean to fully emergent; leaflets ranging from narrow to broad and from lax to stiffly erect; and smooth to densely prickly petioles and rhachises.

This species is often linked with the more widely distributed C. robusta but plants are less vigorous than that species and have smaller leaves, attenuate apices on the leaflets and smaller cones.

Cultivation

Suited to tropical, subtropical and perhaps temperate regions. This species has been reported as surviving temperatures down to - 9 C. An excellent species which is easily grown in sheltered and semi-sheltered situations. A popular cycad which forms attractive dense, spreading clumps. Plants are vigorous and should be given ample room to develop.

Propagation

From fresh seed and by division of the clumps.

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Cycad International | 61 Morris Road, Katherine, Northern Territory, 0850, Australia
Managing Directors : Josef & Karen Perner
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