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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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Annual to shrub or small tree, or non-green root parasite, often bristly or sharp-hairy. Stem: prostrate to erect. Leaf: basal and/or cauline, generally simple, generally alternate. Inflorescence: generally cymes, or panicle-, raceme-, head-, or spike-like, generally coiled in flower (often described as scorpioid), generally elongating in fruit, or flowers 1–2 per axil. Flower: bisexual, generally radial; sepals (4)5(10), fused at least at base, or free; corolla (4)5(10)-lobed, salverform, funnel-shaped, rotate, or bell-shaped, generally without scales at tube base, with 0 or 5 appendages at tube top, alternate stamens; stamens epipetalous; ovary generally superior, entire to 4-lobed, style 1(2), entire or 2-lobed or -branched. Fruit: valvate or circumscissile capsule or nutlets 1–4, free (fused), smooth to roughened, prickly or bristly or not.
± 120 genera, ± 2300 species: tropics, temperate, especially western North America, Mediterranean; some cultivated (Borago, Heliotropium, Echium, Myosotis, Nemophila, Phacelia, Symphytum, Wigandia). Many genera may be TOXIC from pyrrolizidine alkaloids or accumulated nitrates. [Olmstead et al. 2000 Molec Phylogen Evol 16:96–112] Recently treated to include Hydrophyllaceae, Lennoaceae. Wigandia urens added, as naturalized. —Scientific Editors: Ronald B. Kelley, Robert Patterson, Thomas J. Rosatti, Bruce G. Baldwin, David J. Keil.
Key to Boraginaceae
Annual to perennial herb, glabrous to rough-hairy; roots generally fibrous. Stem: decumbent to erect. Leaf: basal generally oblong or oblanceolate; cauline generally linear to elliptic. Inflorescence: generally raceme-like cymes, coiled, in age ± open; bracts 0 (leaf-like). Flower: calyx lobes 5, tube hairs appressed to spreading, hooked at tip or not; corolla salverform or wide-funnel-shaped, generally blue, white, or yellow, appendages prominent or not; stamens included; style generally included. Fruit: nutlets generally 4, ± lens-shaped, smooth, shiny, each with raised outer margin, attachment scar adaxially, at base, small.Key to Myosotis
50 species: temperate, boreal. (Greek: mouse ear, from leaf) Myosotis arvensis (L.) Hill reported from Orange Co., 1938, not persisting.
Unabridged references: [Grau 1964 Osterr Bot Zeitschr 111:561–617]
Annual to short-lived perennial herb. Stem: 1–4 dm, slender, weak, often decumbent but base not creeping or stolon-like; ± strigose. Leaf: 1.5–8 cm, 3–15 mm wide; basal oblanceolate; cauline oblong to lanceolate. Inflorescence: bracted at base; pedicel spreading in fruit, > calyx. Flower: calyx 3–8 mm, tube hairs appressed-strigose, not hooked at tips, tube ± <= lobes, lobes equal or not, narrow-triangular; corolla 2–5 mm diam, ± salverform, blue, appendages prominent, yellow. Fruit: nutlets < 2 mm, > style, brown to black.
2n=±80. Moist soil to generally shallow water; < 2050(2400) m. Northwestern California (except High North Coast Ranges), n High Sierra Nevada, s High Sierra Nevada, Sacramento Valley; to southern British Columbia, western Montana; ± circumboreal, South America. Highly localized in California. May–Sep [Online Interchange]
Previous taxon: Myosotis latifolia
Next taxon: Myosotis micrantha
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Aug 31 2015
Citation for this treatment: [Author of taxon treatment] 2013. Myosotis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=34212, accessed on Aug 31 2015
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|Geographic subdivisions indicated for the distribution of Myosotis laxa|| Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).
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