Brickellia microphylla |
Brickellia lemmonii |
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little leaf brickellia, littleleaf brickellbush, small-leaf brickellbush, small-leaf brickellia |
Lemmon's brickellbush |
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Habit | Shrubs, 30–70 cm. | Perennials, 30–50 cm (caudices woody). | ||||||||
Stems | much branched, pubescent, gland-dotted. |
branched, pubescent, gland-dotted. |
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Leaves | alternate; petioles 0–3 mm; blades 3-nerved from bases, ovate to suborbiculate, 3–20 × 1–15 mm, bases acute to obtuse or rounded, margins entire, coarsely dentate or serrate, apices rounded to acute, faces glandular-villous or hispidulous. |
mostly alternate, sometimes opposite; petioles 0–5 mm; blades 3-nerved from bases (venation raised, reticulate), elliptic to lanceolate or ovate to subdeltate, 20–70 × 7–20 mm, bases ± cuneate, margins crenate to serrate, apices acute, faces glandular-pubescent. |
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Peduncles | (bracteate) 2–10 mm, viscid to glandular-villous. |
2–15 mm, tomentose, often gland-dotted. |
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Involucres | cylindric to narrowly campanulate, 7–12 mm. |
narrowly cylindric, 10–13 mm. |
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Florets | 8–28(–34); corollas pale yellow, often purple-tinged, 5.5–7 mm. |
9–24; corollas pale yellow-green, 6–8.2 mm. |
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Phyllaries | 30–48 in 5–8 series, greenish, often purple-tinged, 3–5-striate, (recurved or spreading) unequal, margins scarious (apices acute to acuminate); outer obovate to suborbiculate (glandular-pubescent; mid sometimes 3-toothed with middle tooth elongated), inner linear-oblong (glabrous or sparsely gland-dotted). |
18–20 in 3–4(–5) series, green or purplish, 5–9-striate, unequal, margins scarious (apices acute, attenuate, obtuse, or nearly rounded); outer ovate (lengths evenly grading to inner, margins ciliate, faces pubescent, often gland-dotted), inner narrowly lanceolate to linear-oblong (faces glabrous). |
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Heads | in loose, paniculiform arrays (often clustered at ends of branches). |
in paniculiform arrays. |
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Cypselae | 3.5–4.7 mm, glabrous or hirtellous; pappi of 18–24 white, barbellulate bristles. |
2.5–4 mm, densely pubescent; pappi of 32–43 white, mostly barbellate, sometimes subplumose, bristles. |
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Brickellia microphylla |
Brickellia lemmonii |
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Distribution |
AZ; CA; CO; ID; NV; OR; UT; WA; WY; Mexico
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AZ; NM; TX; Mexico
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Discussion | Varieties 2–3 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Varieties 4 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 21, p. 503. | FNA vol. 21, p. 502. | ||||||||
Parent taxa | Asteraceae > tribe Eupatorieae > Brickellia | Asteraceae > tribe Eupatorieae > Brickellia | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Synonyms | Bulbostylis microphylla | Coleosanthus lemmonii | ||||||||
Name authority | (Nuttall) A. Gray: Smithsonian Contr. Knowl. 3(5): 85. (1852) | A. Gray: Proc. Amer. Acad. Arts 17: 206. (1882) | ||||||||
Web links |