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baccharis-leaf brickellia, baccharisleaf brickellbush, resinleaf brickellbush

Habit Shrubs, 100–150 cm.
Stems

(ascending) branched, pubescent, sometimes glandular-pubescent.

Leaves

alternate;

petioles 4–10 mm;

blades 3-nerved from bases, rhombic-ovate, 10–40 × 10–20 mm, bases cuneate, margins laciniate-dentate, apices acute to obtuse, faces glabrate or gland-dotted.

Peduncles

5–40 mm, pubescent.

Involucres

narrowly campanulate, 7–11 mm.

Florets

16–17;

corollas cream, 6–7 mm.

Phyllaries

35–40 in 5–7 series, 3–5-striate, unequal, (glabrous, ± chartaceous) margins narrowly scarious (apices acute to acuminate);

outer ovate, inner lanceolate.

Heads

in dense, paniculiform arrays.

Cypselae

2–3 mm, pubescent;

pappi of 18–24 white, barbellate bristles.

2n

= 18.

Brickellia baccharidea

Phenology Flowering Oct–Apr.
Habitat Sandy to granitic soils, limestone slopes, granitic cliffs
Elevation 500–1600 m (1600–5200 ft)
Distribution
from FNA
AZ; NM; TX
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 21, p. 494.
Parent taxa Asteraceae > tribe Eupatorieae > Brickellia
Sibling taxa
B. amplexicaulis, B. atractyloides, B. betonicifolia, B. brachyphylla, B. californica, B. chenopodina, B. cordifolia, B. coulteri, B. cylindracea, B. dentata, B. desertorum, B. eupatorioides, B. floribunda, B. frutescens, B. grandiflora, B. greenei, B. hinckleyi, B. incana, B. knappiana, B. laciniata, B. lemmonii, B. longifolia, B. microphylla, B. nevinii, B. oblongifolia, B. parvula, B. pringlei, B. rusbyi, B. simplex, B. venosa, B. veronicifolia
Name authority A. Gray: Smithsonian Contr. Knowl. 3(5): 87. (1852)
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