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Erysimum teretifolium
SANTA CRUZ WALLFLOWER

Higher Taxonomy
Family: Brassicaceae (Cruciferae)View DescriptionDichotomous Key

Common Name: MUSTARD FAMILY
Habit: 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.
Genera In Family: +- 330 genera, 3780 species: worldwide, especially temperate. Note: 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 NCoR, Carrichtera annua (L.) DC. in SCo, Iberis sempervirens L., Iberis umbellata L. in PR, Teesdalia coronopifolia (Bergeret) Thell., Teesdalia nudicaulis (L.) W.T. Aiton in southern NCoRO, CCo. Cardaria, Coronopus moved to Lepidium; Caulostramina to Hesperidanthus; Guillenia to Caulanthus; Heterodraba to Athysanus; California taxa of Lesquerella to Physaria; Malcolmia africana to Strigosella.
eFlora Treatment Author: Ihsan A. Al-Shehbaz, except as noted
Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Genus: ErysimumView DescriptionDichotomous Key

Common Name: WALLFLOWER
Habit: Annual to subshrub [shrub]; hairs sessile, appressed, 2--5(8)-rayed. Leaf: basal rosetted, petioled, entire, dentate, or pinnately lobed; cauline sessile or petioled, bases not lobed. Inflorescence: elongated. Flower: sepals oblong to linear, erect, base of lateral pair sac-like or not; petals clawed, yellow or orange (white, purple, or brown). Fruit: silique, dehiscent, linear, cylindric, 4-sided, or flat parallel or perpendicular to septum, unsegmented; stigma entire or 2-lobed. Seed: 15--100, in 1 or 2 rows, plump or flattened, oblong, winged or not.
Species In Genus: +- 150 species: North America, Eurasia, northern Africa. Etymology: (Greek: to help or save, from alleged medicinal properties of some species) Note: Fls, fruit, basal leaves needed for identification. All native California taxa related to Erysimum capitatum; hybridization blurs limits of some species.

Erysimum teretifolium Eastw.
NATIVE
Habit: Biennial or short-lived perennial herb, caudex present. Stem: (1.4)2.5--8(10) dm. Leaf: 0.3--3 mm wide, thread-like to narrowly linear, finely toothed, margin +- rolled under, appearing cylindric, hairs 2(3)-rayed. Flower: sepals 7--11 mm; petals 15--20(25) mm, 5--10 mm wide, yellow-orange to yellow, claw 6--13 mm. Fruit: (4)7--12(15) cm, 1.2--2.2(2.5) mm wide, +- flat parallel to septum, +- constricted between seeds; valves outside with 2- and 3(4)-rayed hairs, inside glabrous, midvein prominent; style 0.5--2(2.5) mm, slender, cylindric, sparsely hairy; pedicel spreading to ascending, 5--14 mm. Seed: 40--72, 1.5--2.3(2.7) mm, ovoid; wing at seed tip.
Ecology: Sandy areas in coastal-sage scrub or chaparral; Elevation: 100--400 m. Bioregional Distribution: sw SnFrB (Santa Cruz Sandhills, Santa Cruz Co.). Flowering Time: Feb--May Note: Highly endangered by development, sand mining.
eFlora Treatment Author: Ihsan A. Al-Shehbaz
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Listed on CNPS Rare Plant Inventory

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Citation for this treatment: Ihsan A. Al-Shehbaz 2016. Erysimum teretifolium, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=25143, accessed on July 23, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on July 23, 2016.


Erysimum teretifolium
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© 2011 Dylan Neubauer
Erysimum teretifolium
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© 2005 Aaron Schusteff
Erysimum teretifolium
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© 2009 Neal Kramer
Erysimum teretifolium
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© 2012 Gary A. Monroe
Erysimum teretifolium
click for enlargement
© 2011 Dylan Neubauer
Erysimum teretifolium
click for enlargement
© 2009 Neal Kramer

More photos of Erysimum teretifolium in CalPhotos


Geographic subdivisions for Erysimum teretifolium:
sw SnFrB (Santa Cruz Sandhills, Santa Cruz Co.).
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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map of distribution 1
(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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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.