Brickellia betonicifolia |
Brickellia veronicifolia |
|
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betonyleaf brickellbush |
veronicaleaf brickellbush |
|
Habit | Perennials, 30–90 cm. | Shrubs, 50–90 cm. |
Stems | branched from bases, pubescent. |
branched from bases, densely pubescent, 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. |
mostly opposite (sometimes alternate); petioles 2–5 mm; blades 3-nerved from bases, ovate to reniform, 4–15 × 7–25 mm, bases cordate to subcordate, margins crenate, apices obtuse, faces pubescent, gland-dotted. |
Peduncles | 2–15 mm, hispid to hirsute. |
0–2 mm, densely pubescent, gland-dotted. |
Involucres | cylindric to narrowly campanulate, 8–12 mm. |
cylindric to broadly campanulate, 9–11 mm. |
Florets | 10–16; corollas purplish, 7–9 mm. |
18–33; corollas cream to pale yellow, often red or purple-tinged, 6–7.5 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). |
35–40 in 7–9 series, greenish, often purple-tinged, 3–6-striate, unequal, margins scarious (apices obtuse to acute); outer broadly ovate to lance-ovate (puberulent; margins ciliate), inner lanceolate (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. |
3–4 mm, sparsely hispidulous; pappi of 24–28 white or tawny, barbellate bristles. |
2n | = 18. |
= 18. |
Brickellia betonicifolia |
Brickellia veronicifolia |
|
Phenology | Flowering Jul–Oct. | Flowering Sep–Oct. |
Habitat | Oak woodlands, open limestone hillsides | Moist areas, canyons, disturbed sites |
Elevation | 1500–2000 m (4900–6600 ft) | 1500–2100 m (4900–6900 ft) |
Distribution |
AZ; NM; Mexico
|
TX; Mexico |
Discussion | Brickellia veronicifolia occurs in the Chisos Mountains. (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 | ||
Synonyms | Eupatorium veronicifolium, B. veronicifolia var. petrophila | |
Name authority | A. Gray: Smithsonian Contr. Knowl. 5(6): 72. (1853) | (Kunth) A. Gray: Smithsonian Contr. Knowl. 3(5): 85. (1852) |
Web links |