Brickellia betonicifolia |
Brickellia rusbyi |
|
---|---|---|
betonyleaf brickellbush |
stinking brickellbush |
|
Habit | Perennials, 30–90 cm. | Perennials, 60–120 cm (bases woody). |
Stems | branched from bases, pubescent. |
branched, puberulent, gland-dotted. |
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 gland-dotted. |
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. |
Peduncles | 2–15 mm, hispid to hirsute. |
4–6 mm, puberulent, sparsely gland-dotted. |
Involucres | cylindric to narrowly campanulate, 8–12 mm. |
cylindric to campanulate, 7–10 mm. |
Florets | 10–16; corollas purplish, 7–9 mm. |
13–20; corollas yellowish, 5.3–6.5 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 lance-ovate (sparsely pubescent), inner narrowly lanceolate (glabrous). |
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). |
Heads | erect, usually in loose, paniculiform arrays, sometimes borne singly. |
in paniculiform arrays. |
Cypselae | 3–4 mm, densely pubescent to velutinous; pappi of 40–52 white, barbellate bristles. |
2–2.5 mm, sericeous; pappi of 26–32 white, barbellate bristles. |
2n | = 18. |
= 18. |
Brickellia betonicifolia |
Brickellia rusbyi |
|
Phenology | Flowering Jul–Oct. | Flowering Aug–Oct. |
Habitat | Oak woodlands, open limestone hillsides | Rocky slopes, shaded areas |
Elevation | 1500–2000 m (4900–6600 ft) | 1500–2500 m (4900–8200 ft) |
Distribution |
AZ; NM; Mexico
|
AZ; NM; Mexico
|
Discussion | Brickellia rusbyi has been considered ill-smelling. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 21, p. 495. | FNA vol. 21, p. 506. |
Parent taxa | Asteraceae > tribe Eupatorieae > Brickellia | Asteraceae > tribe Eupatorieae > Brickellia |
Sibling taxa | ||
Name authority | A. Gray: Smithsonian Contr. Knowl. 5(6): 72. (1853) | A. Gray: in A. Gray et al., Syn. Fl. N. Amer. 1(2): 106. (1884) |
Web links |