Tamaulipa azurea
Phytologia 22: 154. 1971.
Common names: Blueweed blue boneset
Illustrated
Basionym: Eupatorium azureum A. P. de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 168. 1836
Treatment appears in FNA Volume 21. Treatment on page 481.
Leaf blades mostly 20–50+ × 15–40+ mm. Involucres 6–8 mm. Corollas ca. 6 mm. Cypselae ca. 2.5 mm; pappi ca. 4 mm. 2n = 20.
Phenology: Flowering Feb–Jun(–Jul).
Habitat: Shrublands, often with acacias, palm groves, clay or clay-loam soils
Elevation: 0–10 m
Discussion
King and Robinson hypothesized that Tamaulipa azurea is closely related to Conoclinium; B. L. Turner (1972) observed that it may be closer to Chromolaena.
Selected References
None.
Lower Taxa
None.