D. tropica is in the section Herbacea of Desmarestia , but compared to other North American species it is less membranous .
The branches are also more expansive in D. tropica than in D. latifrons or similar species .
D. tropica is in the section Herbacea of Desmarestia , but compared to other North American species D. tropica is less membranous .
The branches are also more expansive in D. tropica than in D. latifrons or similar species .