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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; sap pungent, watery. Leaf: generally simple, alternate; generally both basal, cauline; stipules 0. Inflorescence: generally raceme, generally not bracted. Flower: bisexual, generally radial; sepals 4, generally free; petals (0)4, forming a cross, generally white or yellow to purple; stamens generally 6 (2 or 4), 4 long, 2 short (3 pairs of unequal length); ovary 1, superior, generally 2-chambered with septum connecting 2 parietal placentas; style 1, stigma entire or 2-lobed. Fruit: capsule, generally 2-valved, "silique" (length >= 3 × width) or "silicle" (length < 3 × width), dehiscent by 2 valves or indehiscent, cylindric or flat parallel or perpendicular to septum, segmented or not. Seed: 1–many, in 1 or 2 rows per chamber, winged or wingless; embryo strongly curved.
± 330 genera, 3780 species: worldwide, especially temperate. [Al-Shehbaz et al. 2006 Plant Syst Evol 259:89–120] Highest diversity in Mediterranean area, mountains of southwestern Asia, adjacent central Asia, western North America; some Brassica species are oil or vegetable crops; Arabidopsis thaliana used in experimental molecular biology; many species are ornamentals, weeds. Aurinia saxatilis (L.) Desvaux in cultivation only. Aubrieta occasional waif in central North Coast Ranges, Carrichtera annua (L.) DC. in South Coast, Iberis sempervirens L., Iberis umbellata L. in Peninsular Ranges, Teesdalia coronopifolia (Bergeret) Thell., Teesdalia nudicaulis (L.) W.T. Aiton in southern Outer North Coast Ranges, Central Coast. Cardaria, Coronopus moved to Lepidium; Caulostramina to Hesperidanthus; Guillenia to Caulanthus; Heterodraba to Athysanus; California taxa of Lesquerella to Physaria; Malcolmia africana to Strigosella. —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.
Key to Brassicaceae
Annual to perennial herb, occasionally with caudex or rhizome; hairs simple or 0. Stem: prostrate to erect, branched or not, leafy. Leaf: basal rosetted or not, simple, entire or dentate to 1–3-pinnately divided; cauline petioled or sessile, generally lobed to sagittate at base, entire to dentate or pinnately lobed. Inflorescence: elongated or congested; bracts 0 [rarely throughout]. Flower: sepals erect to spreading, base not sac-like, generally deciduous (persistent); petals present (vestigial or 0), yellow [white or pink], generally not clawed. Fruit: silique, linear or narrowly oblong, or silicle, spheric to ovoid or broadly oblong; dehiscent, unsegmented; stigma entire or ± 2-lobed. Seed: 10–300, 1(2) row(s) per chamber, generally wingless.Key to Rorippa
85 species: worldwide, on all continents except Antarctica. (Latinized Old Saxon: for these or perhaps other crucifers) [Al-Shehbaz & Price 1998 Novon 8:124–126] Other taxa in TJM (1993) moved to Nasturtium.
Unabridged references: [Stuckey 1972 Sida 4:277–340]
Annual (short-lived perennial herb), glabrous or bristly. Stem: erect, branched distally, (0.5)1–10(14) dm. Leaf: basal rosetted, early-deciduous, pinnately divided; cauline (1.5)2.5–10(18) cm, petioled or ± sessile, base lobed to clasping; lateral lobes oblong or ovate, ± entire to dentate. Inflorescence: elongated. Flower: sepals erect, 1.5–2.4(2.6) mm, oblong; petals (1.5)1.8–2.5(3) mm, 0.5–1.5(2) mm wide, spoon-shaped. Fruit: silicle (silique), (2.5)4–10 mm, (1.5)1.7–3(3.5) mm wide, oblong to ellipsoid, generally ± curved; valves glabrous; style 0.2–1(1.2) mm; pedicel spreading to reflexed, (2.5)3–10(14) mm, slender, straight or curved. Seed: 20–90, 0.5–0.9 mm, ovoid to ± spheric.
2n=32. Highly variable. [Online Interchange]
Unabridged note: With artificially defined taxa recognized by Stuckey (1972) as 11 varieties into 4 subspecies
Previous taxon: Rorippa curvisiliqua
Next taxon: Rorippa palustris subsp. hispida
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Nov 20 2014
Citation for this treatment: [Author of taxon treatment] 2013. Rorippa, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=41593, accessed on Nov 20 2014
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|Geographic subdivisions indicated for the distribution of Rorippa palustris|| 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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