Brickellia rusbyi |
Brickellia laciniata |
|
---|---|---|
stinking brickellbush |
splitleaf brickellbush |
|
Habit | Perennials, 60–120 cm (bases woody). | Shrubs, 60–120 cm. |
Stems | branched, puberulent, gland-dotted. |
much branched, pubescent, gland-dotted. |
Leaves | alternate; petioles 10–50 mm; blades 3-nerved from bases, deltate or rhombic-ovate, 50–100 × 20–50 mm, bases acute to truncate, margins crenate or coarsely dentate, apices long-acuminate, abaxial faces sparsely villous, gland-dotted, adaxial faces glabrous or sparsely pubescent, often gland-dotted. |
alternate; petioles 2–5 mm; blades 3-nerved from bases, oblong to broadly ovate, 6–15 × 5–9 mm, bases narrowly cuneate, margins irregularly dentate, apices acute to obtuse, faces sparsely pubescent, gland-dotted. |
Peduncles | 4–6 mm, puberulent, sparsely gland-dotted. |
0.5–2.5 mm, glandular-viscid. |
Involucres | cylindric to campanulate, 7–10 mm. |
cylindric, 6–8 mm. |
Florets | 13–20; corollas yellowish, 5.3–6.5 mm. |
8–14; corollas pale yellow-green, often purple-tinged, 4.8–5.7 mm. |
Phyllaries | 22–26 in 4–7 series, 3–5-striate, unequal, margins scarious (apices obtuse to acute); outer ovate to lanceolate (often purple-tinged, glabrous or puberulent), inner linear to oblong (greenish, glabrous). |
15–25 in 4–6 series, stramineous, 3–5-striate, unequal, (gland-dotted) margins scarious (apices obtuse to acute); outer ovate, inner lanceolate. |
Heads | in paniculiform arrays. |
in (leafy) paniculiform or racemiform arrays. |
Cypselae | 2–2.5 mm, sericeous; pappi of 26–32 white, barbellate bristles. |
2.5–3 mm, sparsely pubescent or strigose; pappi of 24–28 tawny, barbellate bristles. |
2n | = 18. |
= 18. |
Brickellia rusbyi |
Brickellia laciniata |
|
Phenology | Flowering Aug–Oct. | Flowering Aug–Nov. |
Habitat | Rocky slopes, shaded areas | Dry slopes, streambeds (arroyos) |
Elevation | 1500–2500 m (4900–8200 ft) | 1300–1900 m (4300–6200 ft) |
Distribution |
AZ; NM; Mexico
|
NM; TX; Mexico
|
Discussion | Brickellia rusbyi has been considered ill-smelling. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 21, p. 506. | FNA vol. 21, p. 502. |
Parent taxa | Asteraceae > tribe Eupatorieae > Brickellia | Asteraceae > tribe Eupatorieae > Brickellia |
Sibling taxa | ||
Name authority | A. Gray: in A. Gray et al., Syn. Fl. N. Amer. 1(2): 106. (1884) | A. Gray: Smithsonian Contr. Knowl. 3(5): 87. (1852) |
Web links |