Brickellia betonicifolia |
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betonyleaf brickellbush |
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Habit | Perennials, 30–90 cm. |
Stems | branched from bases, pubescent. |
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. |
Peduncles | 2–15 mm, hispid to hirsute. |
Involucres | cylindric to narrowly campanulate, 8–12 mm. |
Florets | 10–16; corollas purplish, 7–9 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). |
Heads | erect, usually in loose, paniculiform arrays, sometimes borne singly. |
Cypselae | 3–4 mm, densely pubescent to velutinous; pappi of 40–52 white, barbellate bristles. |
2n | = 18. |
Brickellia betonicifolia |
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Phenology | Flowering Jul–Oct. |
Habitat | Oak woodlands, open limestone hillsides |
Elevation | 1500–2000 m (4900–6600 ft) |
Distribution |
AZ; NM; Mexico
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Source | FNA vol. 21, p. 495. |
Parent taxa | Asteraceae > tribe Eupatorieae > Brickellia |
Sibling taxa | |
Name authority | A. Gray: Smithsonian Contr. Knowl. 5(6): 72. (1853) |
Web links |