OTHER 20th CENTURY BOTANICAL ARTISTS
OF THE SONORAN DESERT
-- MATTHEW B. JOHNSON --

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Exhibit Item 87

Comparison of Species of Columnar Cacti

Illustration compares growth habit and appearance of seven species of columnar cacti.

Top Row, from Left:
Carnegiea gigantea, Saguaro
Pachycereus pecten-aboriginum, Etcho


Bottom Row, from Left:
Lophocereus schottii var. schottii, Senita
Pilosocereus alensis, Wooly torch, Pitahaya barbona
Stenocereus montanus, Mountain organ pipe, Sahuira
Stenocereus thurberi, Organ pipe, Pitahaya

Artist: © Matthew B. Johnson
Pen and Ink