TREATMENT FROM THE JEPSON MANUAL (1993) |
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Jepson Interchange (more information) |
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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. |
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY |
Annual, perennial herb, shrub, generally hairy, generally taprooted
Stem prostrate to erect
Leaves simple to pinnately compound, basal or cauline, alternate or opposite; stipules 0
Inflorescence: cyme (generally raceme-like and coiled) or flowers solitary
Flower bisexual, generally radial; calyx lobes generally 5, generally fused at base, generally persistent, enlarging in fruit; corolla generally deciduous, rotate to cylindric, lobes generally 5, appendages in pairs on tube between filaments or 0; stamens generally 5, epipetalous, filament base sometimes appendaged, appendages scale-like; ovary generally superior, chamber 1, placentas 2, parietal, enlarged into chamber, sometimes meeting so ovary appears 25-chambered, styles 12, stigmas generally head-like
Fruit: capsule, generally loculicidal; valves generally 2
Genera in family: 20 genera, 300 species: especially w US; some cultivated (Emmenanthe, Nemophila, Phacelia )
Recent taxonomic note: Recently treated to be included in an expanded Boraginaceae (also including Lennoaceae) [Angiosperm Phylogeny Group 1998 Ann Missouri Bot Gard 85:531553; Olmstead et al. 2000 Mol Phylog Evol 16:96112]
Annual, perennial herb, generally glandular-hairy, tap-rooted or from ± thick caudex
Leaves generally alternate, simple to 2-pinnately compound, generally ± reduced upward
Inflorescence: cyme, generally dense, coiled, generally 1-sided; pedicels generally short
Flower: corolla rotate to bell-shaped, white to purple, tube base with scales free or fused to filaments; stamens generally attached at same level, equal; ovary chamber 1 (or 2 below middle), placentas parietal, enlarging and meeting in fruit, style 2-lobed, generally hairy below lobes
Fruit oblong to spheric
Seeds 1many, oblong to spheric, generally brownish; back generally pitted or cross-furrowed
Species in genus: ± 175 species: Am; some cultivated for ornamental
Etymology: (Greek: cluster, from the dense inflorescence)
Reference: [Halse 1981 Madroño 28:121132; Heckard 1960 Univ Calif Publ Botany 32:1126; Lee 1988 Syst Bot 13:1620]
Bristly hairs may cause severe dermatitis . CA pers often hybridize, difficult to separate. Biennial and perennial herb species by Richard Halse.
Native |
Annual 220 cm
Stems spreading to erect, few-branched at base, short-stiff-hairy, glandular-puberulent
Leaves 1080 mm; blades < or = petiole, generally oblong to elliptic; lower entire to deeply lobed, lobes unequal; upper generally entire
Flower: pedicels 215 mm, lower < 40 mm in fruit; calyx lobes 56 mm, 69 mm in fruit, oblanceolate, ciliate, veins ± raised; corolla 512 mm, rotate to bell-shaped, lavender to violet, deciduous, scales deltate to ovate; stamens 35 mm, glandular-puberulent; style 2.56 mm
Fruit 69 mm, obovoid, hairy
Seeds 815, 12 mm, pitted
Ecology: Sandy soils, dunes, bluffs
Elevation: < 100 m.
Bioregional distribution: North Coast, n Channel Islands.
Native |
Stems generally decumbent to ascending
Flower: corolla 58 mm, ± bell-shaped; style 2.54 mm
Seed 1.52 mm
Chromosomes: n=10
Ecology: Sandy soils, bluffs
Elevation: < 100 m.
Bioregional distribution: North Coast
Synonyms: P. divaricata var. c. (J.T. Howell) Munz