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

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COMPARISON OF SPECIES

The following series of illustrations by Matt Johnson demonstrate how botanical art is an ideal way of clearly identifying differences in habit and specific structures of different plant species. This visual representation quickly describes the differences to the viewer in these very artistically presented scientific illustrations.

Exhibit Item 83

Nutlet of Cryptantha holoptera Nutlet of Cryptantha micrantha subsp. micrantha Nutlet of Cryptantha maritima Nutlet of Cryptantha racemosa

Click on Each Grouping to Enlarge

Comparison of Cryptantha Species Nutlets

Top Row, from Left:
Cryptantha holoptera, Winged cryptantha
C. maritima, White-haired cryptantha

Bottom Row, from Left:
C. micrantha subsp. micrantha, Dwarf cryptantha
C. racemosa

Illustration showing surface features, shape and relative size of nutlets of four species of Cryptantha. The nutlets are diagnostic for identification of this genus.

Illustrator : © Matthew B. Johnson
Pen and Ink
Flora of the Gran Desierto and Río Colorado of
Northwestern Mexico
, 2000