Brickellia grandiflora

(Hooker) Nuttall

Trans. Amer. Philos. Soc., n. s. 7: 287. 1840.

IllustratedEndemic
Basionym: Eupatorium grandiflorum Hooker Fl. Bor.-Amer. 2: 26. 1834
Treatment appears in FNA Volume 21. Treatment on page 500. Mentioned on page 491, 492.

Perennials, 30–95 cm (taproots thickened). Stems branched, puberulent. Leaves opposite or alternate; petioles 10–70 mm; blades 3-nerved from bases, deltate-ovate, lance-ovate, or subcordate, 15–120 × 20–70 mm, bases acute, truncate, or subcordate, margins crenate, dentate, or serrate, apices attenuate, faces puberulent and gland-dotted. Heads (nodding in flower and fruit) in loose, corymbiform or paniculiform arrays. Peduncles 4–30 mm, pubescent. Involucres cylindric or obconic, 7–12 mm. Phyllaries 30–40 in 5–7 series, greenish, 4–5-striate, unequal, margins scarious; outer lance-ovate to lanceolate (pubescent, margins ciliate, apices long-acuminate), inner lanceolate to lance-linear (glabrous, apices acute to acuminate). Florets mostly 20–40(–70); corollas pale yellow-green, 6.5–7.5 mm. Cypselae 4–5 mm, hispidulous to hirtellous; pappi of 20–30 white, barbellate bristles. 2n = 18.


Phenology: Flowering Jul–Oct.
Habitat: Rocky hillsides, shaded forests, dry slopes, canyons
Elevation: 1200–3000 m

Distribution

V21-1264-distribution-map.gif

Ariz., Ark., Calif., Colo., Idaho, Kans., Mo., Mont., Nebr., Nev., N.Mex., Oreg., Tex., Utah, Wash., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Brickellia grandiflora"
Randall W. Scott +
(Hooker) Nuttall +
Eupatorium grandiflorum +
Ariz. +, Ark. +, Calif. +, Colo. +, Idaho +, Kans. +, Mo. +, Mont. +, Nebr. +, Nev. +, N.Mex. +, Oreg. +, Tex. +, Utah +, Wash. +  and Wyo. +
1200–3000 m +
Rocky hillsides, shaded forests, dry slopes, canyons +
Flowering Jul–Oct. +
Trans. Amer. Philos. Soc., n. s. +
Illustrated +  and Endemic +
Compositae +
Brickellia grandiflora +
Brickellia +
species +