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.
Species in genus: 1 sp
Etymology: (John Baptist Lembert, CA, 18401896)
Reference: [Johnson 1991 Novon 1:119124]
Native |
Annual 530 cm, loosely woolly
Stems decumbent-ascending
Leaves alternate, 14.5 cm, narrowly oblong, entire to shallowly wavy-dentate
Inflorescence: heads clustered at branch tips, appearing discoid; involucre ± 4.5 mm, hemispheric; phyllaries 47 in 1 series, acute, generally black-hairy near tips, becoming reflexed; receptacle ± domed, naked
Ray flowers 1 per phyllary; corolla with small lobe opposite ligule; ligules ± 0.5 mm, 3-lobed, yellow
Disk flowers 11.5 mm, 4-lobed, bell-shaped, yellow; lobes glandular.Chromosomes: 2n=20,22
Ecology: Sandy grassland, alkali sink
Elevation: 90700 m.
Bioregional distribution: sw San Joaquin Valley
Synonyms: Eatonella c. A. Gray
Recent taxonomic note: Monolopia congdonii (A. Gray) B.G. Baldwin