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Erysimum suffrutescens
SUFFRUTESCENT 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 suffrutescens (Abrams) Rossbach
NATIVE
Habit: Subshrub, occasionally perennial herb. Stem: 1.5--8.1 dm, base woody. Leaf: 1.5--6(7) mm wide, linear to linear oblanceolate, flat, entire (minutely dentate), hairs 2--4-rayed. Flower: sepal 6--11 mm; petals (11)14--20(22) mm, (3)4--11.5 mm wide, yellow, claw 8--13 mm. Fruit: (2)3--8.4(11) cm, 1.5--2.4(3.5) mm wide, 4-angled to +- flat parallel to septum, not constricted between seeds; valves outside with 2--4-rayed hairs, inside glabrous, midvein prominent; style 0.5--4 mm, stout; pedicel ascending, (3)5--10 mm. Seed: 48--82, 1.5--2.5(3), oblong; wing 0 or at tip. Chromosomes: 2n=36.
Ecology: Stabilized coastal sand dunes, coastal scrub; Elevation: < 150 m. Bioregional Distribution: s CCo, n SCo. Flowering Time: Dec--Aug Note: Hybridizes with Erysimum capitatum.
Synonyms: Erysimum insulare Greene subsp. suffrutescens, ined.; Erysimum concinnum Eastw. subsp. suffrutescens (Abrams) Abrams; Erysimum suffrutescens var. grandifolium Rossbach
eFlora Treatment Author: Ihsan A. Al-Shehbaz
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory

Previous taxon: Erysimum repandum
Next taxon: Erysimum teretifolium

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Citation for this treatment: Ihsan A. Al-Shehbaz 2016. Erysimum suffrutescens, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=25142, accessed on February 11, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 11, 2016.


Erysimum suffrutescens
click for enlargement
© 2014 Neal Kramer
Erysimum suffrutescens
click for enlargement
© 2014 Neal Kramer
Erysimum suffrutescens
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© 1999 Christopher L. Christie
Erysimum suffrutescens
click for enlargement
© 2014 Neal Kramer
Erysimum suffrutescens
click for enlargement
© 2014 Neal Kramer
Erysimum suffrutescens
click for enlargement
© 2014 Neal Kramer

More photos of Erysimum suffrutescens in CalPhotos


Geographic subdivisions for Erysimum suffrutescens:
s CCo, n SCo.
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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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.