Brickellia microphylla

(Nuttall) A. Gray

Smithsonian Contr. Knowl. 3(5): 85. 1852.

Illustrated
Basionym: Bulbostylis microphylla Nuttall Trans. Amer. Philos. Soc., n. s. 7: 286. 1840
Treatment appears in FNA Volume 21. Treatment on page 503. Mentioned on page 493.

Shrubs, 30–70 cm. Stems much branched, pubescent, glanddotted. Leaves alternate; petioles 0–3 mm; blades 3-nerved from bases, ovate to suborbiculate, 3–20 × 1–15 mm, bases acute to obtuse or rounded, margins entire, coarsely dentate or serrate, apices rounded to acute, faces glandular-villous or hispidulous. Heads in loose, paniculiform arrays (often clustered at ends of branches). Peduncles (bracteate) 2–10 mm, viscid to glandular-villous. Involucres cylindric to narrowly campanulate, 7–12 mm. Phyllaries 30–48 in 5–8 series, greenish, often purple-tinged, 3–5-striate, (recurved or spreading) unequal, margins scarious (apices acute to acuminate); outer obovate to suborbiculate (glandular-pubescent; mid sometimes 3-toothed with middle tooth elongated), inner linear-oblong (glabrous or sparsely glanddotted). Florets 8–28 (–34); corollas pale-yellow, often purple-tinged, 5.5–7 mm. Cypselae 3.5–4.7 mm, glabrous or hirtellous; pappi of 18–24 white, barbellulate bristles.

Distribution

V21-1278-distribution-map.gif

Ariz., Calif., Colo., Idaho, Nev., Oreg., Utah, Wash., Wyo., Mexico

Discussion

Varieties 2–3 (2 in the flora).

Selected References

None.

Key

1 Stems and peduncles viscid to glandular-villous; florets 15–28(–34) Brickellia microphylla var. microphylla
1 Stems and peduncles glandular-viscid; florets 8–13 Brickellia microphylla var. scabra

"fine" is not a number.

... more about "Brickellia microphylla"
not tailed +, truncate +, rounded +  and obtuse +
scarious +
usually ovate +  and lanceolate +
usually terete +  and clavate +
paniculiform +
indeterminate +  and determinate +
Randall W. Scott +
(Nuttall) A. Gray +
acute +  and obtuse or rounded +
enlarged +
Bulbostylis microphylla +
0.3 cm3 mm <br />0.003 m <br /> (2 cm20 mm <br />0.02 m <br />) +
dissected +, lobed +, toothed +  and entire +
ovate;suborbiculate +
1mm;15mm +
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 />) +
hirtellous +  and glabrous +
prismatic +
fertile +  and bisexual +
Ariz. +, Calif. +, Colo. +, Idaho +, Nev. +, Oreg. +, Utah +, Wash. +, Wyo. +  and Mexico +
hispidulous +  and glandular-villous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
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 +
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
sessile +  and petiolate +
lanceolate +  and lance-linear +
serrate +, dentate +  and entire +
toothed +, serrate +, lobed +, laciniate-dentate +  and crenate +
obovate +  and suborbiculate +
2-carpellate +
persistent +
glandular-villous +
0.2 cm2 mm <br />0.002 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0 cm0 mm <br />0 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
30 +  and 48 +
Smithsonian Contr. Knowl. +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
exalbuminous +
Illustrated +
appendaged +  and truncate +
hirsutulous +
papillate +
Compositae +
Brickellia microphylla +
Brickellia +
species +
cylindric +
perennial +  and annual +