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. |
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY |
Annual, perennial herb, shrubs, generally bristly or sharply hairy
Stem prostrate to erect
Leaves cauline, often with basal rosette, generally simple, alternate; lower sometimes opposite, entire
Inflorescence: cyme, generally elongate, panicle-, raceme- or spike-like, coiled in flower, generally uncoiled in fruit or flowers 12 per axil
Flowers generally bisexual, generally radial; sepals 5, free or fused in lower half; corolla 5-lobed, generally salverform, top of tube generally appendaged, appendages 5, alternating with stamens, sometimes arching over tube; stamens 5, epipetalous; ovary superior, generally 4-lobed, style generally entire
Fruit: nutlets 14, smooth to variously roughened, sometimes prickly or bristled
Genera in family: ± 100 genera, ± 2000 species: tropical, temp, especially w North America, Medit; some cultivated (Borago, Echium, Myosotis, Symphytum ).Almost all genera may be TOXIC from alkaloids or accumulated nitrates
Recent taxonomic note: Recently treated to include Hydrophyllaceae [Olmsted et al. 2000 Mol Phylog Evol 16:96112]
Family description, key to genera by Timothy C. Messick.
Annual or perennial herb, glabrous to rough-hairy; roots generally diffuse
Stem decumbent to erect
Leaves: basal generally oblong or oblanceolate; cauline generally linear to elliptic
Inflorescence coiled, generally raceme-like, eventually ± open; bracts 0 (or leaf-like in lower half); flowers generally in upper half of plant
Flower: calyx lobes 5, generally ± equal; corolla salverform or widely funnel-shaped, white, yellow, or generally blue, tube 5-appendaged at top, limb abruptly spreading, 5-lobed; stamens 5, included; style generally included
Fruit: nutlets smooth, shiny, each with raised outer margin, scar lateral, at base, small
Species in genus: 50 species: temp, boreal
Etymology: (Greek: mouse ear, from leaf)
Reference: [Grau 1964 Osterr Bot Zeitschr 111:561617]
Generally flowers in spring.
Introduced |
Annual or winter annual
Stem < 2 dm, simple or branched from near base, ± puberulent or rough-hairy
Leaves generally < 2 cm, 7 mm wide; hairs on lower surface hooked, especially along midrib; basal oblanceolate or wider; cauline oblong or elliptic
Inflorescence bracted in lower half; pedicel in fruit ascending or ± spreading, << calyx; flowers from near plant base, where 1 per axil
Flower: calyx 35 mm, strigose at least above, tube hairs spreading, hooked; corolla blue, limb 12 mm diam, not completely flat
Fruit >> style, brown, sometimes paler
Chromosomes: 2n=±3640
Ecology: Uncommon. Roadsides, streambanks, disturbed open places
Elevation: 5001000 m.
Bioregional distribution: Klamath Ranges (1 locality in Siskiyou Co.)
Distribution outside California: n US, s Canada, native to Eurasia
Other taxa often misidentified as this in CA.