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Distribution of Ceratozamia species (redrawn from Jones 1993).

 

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Ceratozamia kuesteriana

Regel 1857

Common Names

Taxonomic notes

Description

"A small cycad [with] a somewhat globose trunk to about 30 cm tall and 12 cm across. Young leaves bronze-coloured, lightly hairy. Mature leaves few in a spreading crown, 1-1.8 m long, dark green, glabrous; petiole 30-60 cm long, very sparsely prickly and appearing smooth; leaflets [70-120] on each leaf, 10-22 cm × 0.6-1.5 cm, linear-lanceolate, dark green above, paler beneath, sessile, the margins inrolled, veins prominent beneath, apex long acuminate. Male cones 20-30 cm × 5-7 cm, usually solitary, cylindrical, brown; sporophylls with two small horns; peduncle to 15 cm long, woolly. Female cones 15-20 cm × 8-10 cm, cylindrical, usually solitary, dark grey-brown; sporophylls with two stout horns. Seed details not recorded" (Jones 1993).

Distribution and Ecology

Mexico: S Tamaulipas: the Sierra Madre Oriental at 1000-1800 m elevation in cloud forests dominated by Pinus and Quercus sp. (Jones 1993).

Big tree

Oldest

Dendrochronology

Ethnobotany

Grown as an ornamental (Jones 1993).

Observations

Seattle's Volunteer Park Conservatory has one.

Remarks

Named for a Baron von Kuster. The species was "described ... from plants growing in the Leningrad Botanic Garden. It was subsequently lost to science until its rediscovery was reported in 1982" (Jones 1993).

Citations

See also

Last Modified 2012-11-23