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stinking brickellbush

baccharis-leaf brickellia, baccharisleaf brickellbush, resinleaf brickellbush

Habit Perennials, 60–120 cm (bases woody). Shrubs, 100–150 cm.
Stems

branched, puberulent, gland-dotted.

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

Leaves

alternate;

petioles 10–50 mm;

blades 3-nerved from bases, deltate or rhombic-ovate, 50–100 × 20–50 mm, bases acute to truncate, margins crenate or coarsely dentate, apices long-acuminate, abaxial faces sparsely villous, gland-dotted, adaxial faces glabrous or sparsely pubescent, often gland-dotted.

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

4–6 mm, puberulent, sparsely gland-dotted.

5–40 mm, pubescent.

Involucres

cylindric to campanulate, 7–10 mm.

narrowly campanulate, 7–11 mm.

Florets

13–20;

corollas yellowish, 5.3–6.5 mm.

16–17;

corollas cream, 6–7 mm.

Phyllaries

22–26 in 4–7 series, 3–5-striate, unequal, margins scarious (apices obtuse to acute);

outer ovate to lanceolate (often purple-tinged, glabrous or puberulent), inner linear to oblong (greenish, glabrous).

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 paniculiform arrays.

in dense, paniculiform arrays.

Cypselae

2–2.5 mm, sericeous;

pappi of 26–32 white, barbellate bristles.

2–3 mm, pubescent;

pappi of 18–24 white, barbellate bristles.

2n

= 18.

= 18.

Brickellia rusbyi

Brickellia baccharidea

Phenology Flowering Aug–Oct. Flowering Oct–Apr.
Habitat Rocky slopes, shaded areas Sandy to granitic soils, limestone slopes, granitic cliffs
Elevation 1500–2500 m (4900–8200 ft) 500–1600 m (1600–5200 ft)
Distribution
from FNA
AZ; NM; Mexico
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; NM; TX
[WildflowerSearch map]
[BONAP county map]
Discussion

Brickellia rusbyi has been considered ill-smelling.

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

Of conservation concern.

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

Source FNA vol. 21, p. 506. FNA vol. 21, p. 494.
Parent taxa Asteraceae > tribe Eupatorieae > Brickellia Asteraceae > tribe Eupatorieae > Brickellia
Sibling taxa
B. amplexicaulis, B. atractyloides, B. baccharidea, 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. simplex, B. venosa, B. veronicifolia
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: in A. Gray et al., Syn. Fl. N. Amer. 1(2): 106. (1884) A. Gray: Smithsonian Contr. Knowl. 3(5): 87. (1852)
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