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Brickellia frutescens
Brickellia frutescens
A. Gray
Family:
Asteraceae
shrubby brickellbush,
more...
rigid brickellbush
Flora of North America
General Description
Resources
Randall W. Scott in Flora of North America (vol. 21)
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.
Heads
in paniculiform arrays.
Peduncles
10-30 mm, villous, gland-dotted.
Involucres
cylindric, 9-11 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.
Florets
20-30; corollas purplish, 6.5-7.5 mm.
Cypselae
3.5-4.8 mm, hispidulous;
pappi
of 26-30 white, barbellulate bristles. Flowering Mar-Jun. Granitic desert slopes or sands; 600-1200 m; Calif., Nev.; Mexico (Baja California).
Plant
: Shrub 3-6 dm, aromatic; stems slender, rigid, spreading, ± short-tomentose
Leaves
: alternate, short-petioled, simple, veiny, 0.5-2 cm, oblong to spoon-shaped, puberulent, entire
INFLORESCENCE
: primary inflorescence a head, each resembling a flower; heads 13-15 mm, generally 1(3), terminal; involucre cylindric; phyllaries ± 21, overlapping, linear-oblong, 4-veined, green or purplish-tinged, ± minutely tomentose, tips erect
Flowers
: 20-30; corollas cylindric, ± white or tinged red; anther bases rounded or slightly cordate, tips ovate; style branches long, club-shaped, tips rounded
Fruit
: 3-4.8 mm, 10-ribbed, generally cylindric, hairy; pappus generally of many, generally scabrous bristles
Misc
: Rocky slopes, desert scrub; 600-1200 m.; Apr-May
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