Brickellia betonicifolia

A. Gray

Smithsonian Contr. Knowl. 5(6): 72. 1853.

Treatment appears in FNA Volume 21. Treatment on page 495. Mentioned on page 492.

Perennials, 30–90 cm. Stems branched from bases, pubescent. Leaves opposite; petioles 1–5 mm; blades 3-nerved from bases, oblong, obovate, or ovate, (15–) 30–80 × 10–35 mm, bases cordate or truncate, margins crenate-serrate, apices acute to obtuse, faces sparsely pubescent and glanddotted. Heads erect, usually in loose, paniculiform arrays, sometimes borne singly. Peduncles 2–15 mm, hispid to hirsute. Involucres cylindric to narrowly campanulate, 8–12 mm. Phyllaries 17–20 in 3–5 series, pale green, often purplish, 5–9-striate, unequal, margins narrowly scarious-ciliate (apices acute to acuminate); outer lanceovate (sparsely pubescent), inner narrowly lanceolate (glabrous). Florets 10–16; corollas purplish, 7–9 mm. Cypselae 3–4 mm, densely pubescent to velutinous; pappi of 40–52 white, barbellate bristles. 2n = 18.


Phenology: Flowering Jul–Oct.
Habitat: Oak woodlands, open limestone hillsides
Elevation: 1500–2000 m

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Brickellia betonicifolia"
not tailed +, truncate +, rounded +  and obtuse +
scarious +
usually ovate +  and lanceolate +
usually terete +  and clavate +
paniculiform +
indeterminate +  and determinate +
Randall W. Scott +
A. Gray +
cordate +
enlarged +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
dissected +, lobed +, toothed +  and entire +
ovate;obovate;ovate;obovate;oblong +
10mm;35mm +
papillate +  and rugose +
(4-)5-angled;10-ribbed +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
densely pubescent +  and velutinous +
prismatic +
fertile +  and bisexual +
Ariz. +, N.Mex. +  and Mexico +
1500–2000 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Oak woodlands, open limestone hillsides +
indeterminate +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
cylindric;narrowly campanulate +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
sessile +  and petiolate +
lanceolate +  and lance-linear +
toothed +, serrate +, lobed +, laciniate-dentate +  and crenate +
2-carpellate +
persistent +
hispid +  and hirsute +
0.2 cm2 mm <br />0.002 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Flowering Jul–Oct. +
17 +  and 20 +
Smithsonian Contr. Knowl. +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
exalbuminous +
appendaged +  and truncate +
hirsutulous +
papillate +
Compositae +
Brickellia betonicifolia +
Brickellia +
species +
cylindric +
30 cm300 mm <br />0.3 m <br /> (90 cm900 mm <br />0.9 m <br />) +
shrub +  and subshrub +