Asclepias brachystephana Engelm. ex Torr.

Family

Apocynaceae (Magnoliophyta)

Scientific Name

Asclepias brachystephana Engelm. ex Torr.

Primary Citation

Rep. U.S. Mex. Bound., Bot. 163. 1859

Type Specimens

Specimen 1: Isolectotype -- C. Wright 1692

Specimen 2: Syntype -- C. C. Parry s.n.

Specimen 3: Syntype -- J. M. Bigelow s.n.

Specimen 4: Syntype -- G. Thurber 421-334

Specimen 5: Syntype -- G. Thurber 344

Specimen 6: Syntype -- A. C. V. Schott s.n.

Specimen 7: Syntype -- G. Thurber s.n.

Specimen 8: Not a type -- F. A. Wislizenus s.n.

Specimen 9: Not a type -- S. Hayes s.n.

Specimen 10: Not a type -- S. Hayes s.n.