TREATMENT FROM THE JEPSON MANUAL (1993) |
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©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora. |
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Annual to tree
Leaves basal or cauline, alternate to whorled, simple to compound
Inflorescence: 1° inflorescence a head, each resembling a flower, 1many, generally arrayed in cymes, generally subtended by ± calyx-like involucre; flowers 1many per head
Flowers bisexual, unisexual, or sterile, ± small, of several types; calyx 0 or modified into pappus of bristles, scales, or awns, which is generally persistent in fruit; corolla radial or bilateral (rarely 0), lobes generally (0)45; stamens 45, anthers generally fused into cylinder around style, often appendaged at tips, bases, or both, filaments generally free, generally attached to corolla near throat; pistil 1, ovary inferior, 1-chambered, 1-seeded, style 1, branches 2, generally hair-tufted at tip, stigmas 2, generally on inside of style branches
Fruit: achene, cylindric to ovoid, generally deciduous with pappus attached
Genera in family: ± 1300 genera, 21,000 species (largest family of dicots): worldwide. Largest family in CA. Also see tribal key to CA genera: Strother 1997 Madroño 44(1):128. See glossary p. 25 for illustrations of general family characteristics.
Perennial from ± woody caudex or shrub (rarely annual)
Leaves alternate or opposite, simple, veiny, generally resinous-dotted
Inflorescence: heads discoid, generally clustered; involucre cylindric to bell-shaped; phyllaries overlapping, strongly nerved; receptacle generally flat, chaff 0
Flowers: corollas cylindric, ± white or tinged red; anther bases rounded or slightly cordate, tips ovate; style branches long, club-shaped, tips rounded
Fruit 10-ribbed, generally cylindric, hairy; pappus generally of many, generally scabrous bristles
Etymology: (John Brickell, early botanist in Georgia)
Reference: [King & Robinson 1987 Monogr Syst Bot Missouri Bot Gard 22:220224]
Native |
Shrub 35 dm
Stems erect, branched, dense, white-tomentose
Leaves alternate, ± sessile, 0.61.8 cm, ovate to ± cordate, dentate-serrate, tomentose
Inflorescence: heads ± 1.5 cm, few in panicle-like clusters on short branches; involucre subcylindric; phyllaries ± 30, overlapping, linear-oblong, 36-veined, whitish woolly, tips spreading or recurved
Flowers ± 23
Fruit ± 4 mm
Chromosomes: 2n=18
Ecology: UNCOMMON. Desert scrub
Elevation: 3001900 m.
Bioregional distribution: Inner South Coast Ranges, Western Transverse Ranges, San Gabriel Mountains, Mojave Desert
Distribution outside California: Nevada
Flowering time: SepNov
Related to B. microphylla , B. watsonii
Horticultural information: DRN, DRY: 7, 8, 9, 10, 11, 12, 14, 18, 19, 20, 21, 22, 23, 24; DFCLT.