Tamaulipa azurea

(A. P. de Candolle) R. M. King & H. Robinson

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.

"fine" is not a number.

... more about "Tamaulipa azurea"
not tailed +, truncate +, rounded +  and obtuse +
scarious +
usually ovate +  and lanceolate +
usually terete +  and clavate +
indeterminate +  and determinate +
Guy L. Nesom +
(A. P. de Candolle) R. M. King & H. Robinson +
decurrent +
not enlarged +
Eupatorium azureum +
dissected +, lobed +, toothed +  and entire +
deltate +
papillate +  and rugose +
(4-)5-angled;10-ribbed +
linear-filiform +
Blueweed +  and blue boneset +
white +, usually blue +  and lavender +
6 cm60 mm <br />0.06 m <br /> (?) +
scabrellous +
prismatic +
fertile +  and bisexual +
Tex. +  and Mexico +
0–10 m +
puberulent +  and velutinous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Shrublands, often with acacias, palm groves, clay or clay-loam soils +
in usually determinate , rarely indeterminate , arrays +  and singly +
indeterminate +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
obconic;hemispheric +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (4 cm40 mm <br />0.04 m <br />) +
lanceolate +  and lance-linear +
2-carpellate +
persistent +
4 cm40 mm <br />0.04 m <br /> (?) +
Flowering Feb–Jun(–Jul). +
30 +  and 35 +
bearing subulate enations +, hairy +  and bristly +
convex;conic +
exalbuminous +
Illustrated +
clambering +  and erect +
appendaged +  and truncate +
hirsutulous +
papillate +
Compositae +
Tamaulipa azurea +
Tamaulipa +
species +
perennial +, biennial +  and annual +