Brickellia frutescens |
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rigid brickellbush, shrubby brickellbush, shrubby brickellia |
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Habit | Shrubs, 30–60 cm. |
Stems | intricately branched, hirtellous, sparsely gland-dotted. |
Leaves | alternate; petioles 1–2 mm; blades (venation obscure) oblong to spatulate, 3–12 × 1–4 mm, bases acute to acuminate, margins entire, apices acute to obtuse, faces tomentose, gland-dotted. |
Peduncles | 10–30 mm, villous, gland-dotted. |
Involucres | cylindric, 9–11 mm. |
Florets | 20–30; corollas purplish, 6.5–7.5 mm. |
Phyllaries | 20–25 in 5–6 series, greenish, often purple-tinged, 4–5-striate, unequal, (sparsely villous, gland-dotted) margins narrowly scarious (apices rounded, mucronate); outer ovate to lanceolate (ciliate), inner linear-oblong. |
Heads | in paniculiform arrays. |
Cypselae | 3.5–4.8 mm, hispidulous; pappi of 26–30 white, barbellulate bristles. |
Brickellia frutescens |
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Phenology | Flowering Mar–Jun. |
Habitat | Granitic desert slopes or sands |
Elevation | 600–1200 m (2000–3900 ft) |
Distribution |
CA; NV; Mexico (Baja California)
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Source | FNA vol. 21, p. 500. |
Parent taxa | Asteraceae > tribe Eupatorieae > Brickellia |
Sibling taxa | |
Name authority | A. Gray: Proc. Amer. Acad. Arts 17: 207. (1882) |
Web links |