Difference between revisions of "Brickellia dentata"
in B. Seemann, Bot. Voy. Herald, 301. 1856.
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|tribe=Asteraceae tribe Eupatorieae | |tribe=Asteraceae tribe Eupatorieae | ||
|genus=Brickellia | |genus=Brickellia | ||
Revision as of 15:31, 18 September 2019
Shrubs, 60–120 cm. Stems branched from bases, puberulent, sparsely gland-dotted. Leaves alternate; petioles 1–2 mm; blades obscurely 3-nerved from bases, lanceolate to lance-ovate, 5–40 × 3.5–12 mm, bases acute to cuneate, margins usually coarsely dentate, sometimes entire, apices acute, faces gland-dotted. Heads in (elongate) paniculiform arrays. Peduncles 1–2 mm, puberulent, gland-dotted. Involucres cylindric to campanulate, 7–11 mm. Phyllaries 18–22 in 5–6 series, greenish or stramineous, 3–5-striate, unequal, margins scarious (apices acute to obtuse, ciliate); outer ovate (glandular-pubescent), inner lanceolate (gland-dotted). Florets 13–20; corollas pale green or yellow, 4.5–6.5 mm. Cypselae 3.5–4 mm, usually glabrous, rarely sparsely pubescent; pappi of 30–35 tawny, usually barbellate, sometimes subplumose, bristles. 2n = 18.
Phenology: Flowering Aug–Nov.
Habitat: Gravel of limestone streambeds
Elevation: 100–400 m
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