Brickellia venosa

(Wooton & Standley) B. L. Robinson

Mem. Gray Herb. 1: 50. 1917.

Basionym: Coleosanthus venosus Wooton & Standley Contr. U.S. Natl. Herb. 16: 177. 1913
Treatment appears in FNA Volume 21. Treatment on page 506. Mentioned on page 492.

Perennials, 60–80 cm (caudices woody). Stems branched, pubescent, glanddotted. Leaves opposite; petioles 0–1 mm; blades 3-nerved from bases, oblong to linear, 20–60 × 2–10 mm, bases cuneate, margins entire or dentate, apices obtuse, faces pubescent, glanddotted. Heads in open, paniculiform arrays or borne singly (often terminal on lateral branches). Peduncles (20–) 30–150 mm, puberulent, glanddotted. Involucres cylindric to campanulate, 9–10 mm. Phyllaries 25–35 in 6–9 series, greenish, often purple-tinged, 3–9-striate, unequal, margins scarious (ciliate); outer broadly ovate to orbiculate (glandular-pubescent, apices acute to cuspidate), inner lanceolate to linear-lanceolate (glabrous, apices acute to mucronate). Florets 18–25; corollas pale-yellow, often purple-tinged, 5.5–7 mm. Cypselae 3–3.5 mm, pubescent to velutinous; pappi of 30–40 white, barbellate bristles. 2n = 18, 18 + 1.


Phenology: Flowering Aug–Oct.
Habitat: Dry hills, canyon walls, mesas, limestone outcrops
Elevation: 1300–1800 m

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Brickellia venosa"
not tailed +, truncate +, rounded +  and obtuse +
scarious +
usually ovate +  and lanceolate +
usually terete +  and clavate +
racemiform +, paniculiform +, cymiform +  and corymbiform +
indeterminate +  and determinate +
Randall W. Scott +
(Wooton & Standley) B. L. Robinson +
cuneate +
enlarged +
Coleosanthus venosus +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
dissected +, lobed +, toothed +  and entire +
oblong;linear +
0.2 cm2 mm <br />0.002 m <br /> (1 cm10 mm <br />0.01 m <br />) +
papillate +  and rugose +
(4-)5-angled;10-ribbed +
purple-tinged +  and pale-yellow +
0.55 cm5.5 mm <br />0.0055 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
pubescent +  and velutinous +
prismatic +
fertile +  and bisexual +
Ariz. +, N.Mex. +  and Mexico +
1300–1800 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Dry hills, canyon walls, mesas, limestone outcrops +
indeterminate +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
cylindric;campanulate +
0.9 cm9 mm <br />0.009 m <br /> (1 cm10 mm <br />0.01 m <br />) +
sessile +  and petiolate +
lanceolate +  and lance-linear +
dentate +  and entire +
toothed +, serrate +, lobed +, laciniate-dentate +  and crenate +
broadly ovate +  and orbiculate +
2-carpellate +
persistent +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
3 cm30 mm <br />0.03 m <br /> (15 cm150 mm <br />0.15 m <br />) +
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Flowering Aug–Oct. +
25 +  and 35 +
Mem. Gray Herb. +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
exalbuminous +
appendaged +  and truncate +
hirsutulous +
papillate +
Compositae +
Brickellia venosa +
Brickellia +
species +
cylindric +
60 cm600 mm <br />0.6 m <br /> (80 cm800 mm <br />0.8 m <br />) +
120 cm1,200 mm <br />1.2 m <br /> (200 cm2,000 mm <br />2 m <br />) +
shrub +  and subshrub +