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Erysimum pallasii var. ochroleucum

(Pallas' Wallflower)

Interesting Facts

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Common Names

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Common Names in English:

Pallas' Wallflower

Description

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Genus Erysimum

Herbs annual , biennial, or perennial , rarely subshrubs or shrubs . Trichomes sessile, medifixed , appressed , malpighiaceous or 3-5(-8) -rayed stellate . Stems simple or branched basally and/or apically. Basal leaves petiolate , rosulate, simple, entire or dentate , rarely pinnatifid or pinnatisect . Cauline leaves petiolate or sessile, cuneate or attenuate at base , rarely auriculate , entire or dentate. Racemes ebracteate or basally bracteate , rarely bracteate throughout, corymbose , elongated or not in fruit. Fruiting pedicels slender or thickened and nearly as wide as fruit, erect , ascending , divaricate , or reflexed . Sepals oblong or linear , erect, pubescent , base of lateral pair saccate or not. Petals yellow or orange, rarely white, pink, purple, or violet; blade suborbicular , obovate , spatulate , or oblong, apex rounded or emarginate ; claw differentiated from blade, subequaling or longer than sepals. Stamens 6, erect, tetradynamous ; anthers oblong or linear. Nectar glands 1, 2, or 4, distinct or confluent and subtending bases of all stamens; median glands present or absent. Ovules 15-100 per ovary. Fruit dehiscent siliques or rarely silicles , linear or rarely oblong, terete , 4-angled, latiseptate , or angustiseptate, sessile or rarely shortly stipitate ; valves with an obscure to prominent midvein , pubescent on outside, rarely also on inside, keeled or not, smooth or torulose ; replum rounded; septum complete , membranous, translucent or opaque , veinless; style obsolete or short, rarely half as long as or subequaling fruit, often pubescent; stigma capitate, entire or 2-lobed. Seeds uniseriate or rarely biseriate , winged , margined , or wingless, oblong, plump or flattened; seed coat minutely reticulate , mucilaginous when wetted; cotyledons incumbent or rarely accumbent .

About 150 species: N hemisphere, primarily in Asia and Europe, with 14 species in Central and North America and eight species in N Africa and Macaronesia; 17 species (five endemic) in China.[1]

Taxonomy

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Notes

Name Status: Accepted Name . Latest taxonomic scrutiny: 17-Oct-2001

Similar Species

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Members of the genus Erysimum

ZipcodeZoo has pages for 71 species, subspecies, varieties, forms, and cultivars in this genus:

E. ammophilum (Coast Wallflower) · E. angustatum (Contra Coasta Wallflower) · E. arenicola (Cascade Wallflower) · E. arenicola S.Watson var. arenicola S.Watson (Cascade Wallflower) · E. arenicola S.Watson var. torulosum (Piper) C.L.Hitchc. (Cascade Wallflower) · E. arenicola var. arenicola (Cascade Wallflower) · E. arenicola var. torulosum (Cascade Wallflower) · E. capitatum (Alpine Wallflower) · E. capitatum subsp. angustatum (Contra Costa Wallflower) · E. capitatum angustatum var. angustatum (Western Wallflower) · E. capitatum var. angustatum (Contra Costa Wallflower) · E. capitatum var. bealianum (Sanddune Wallflower) · E. capitatum var. capitatum (Sanddune Wallflower) · E. capitatum var. lompocense (San Luis Obispo Wallflower) · E. capitatum var. lompocense (G.Rossb.) Kartesz, comb. nov. ined. (San Luis Obispo Wallflower) · E. capitatum var. perenne (Sanddune Wallflower) · E. capitatum var. purshii (Purshs Wallflower) · E. cheiranthoides (Treacle Wallflower) · E. cheiri (Aegean Wallflower) · E. cheiri 'Blood Red' (English Wallflower) · E. cheiri 'Fair Lady Mix' (English Wallflower) · E. cheiri 'Harpur Crewe' (English Wallflower) · E. cheiri 'Ivory White' (English Wallflower) · E. cheiri 'Jane's Derision' (Aegean Wallflower) · E. cheiri 'Persian Carpet Mix' (English Wallflower) · E. cheiri 'Ruby Gem' (English Wallflower) · E. cheiri 'Vulcan' (English Wallflower) · E. durum (Hard Wallflower) · E. franciscanum (San Francisco Wallflower) · E. franciscanum var. franciscanum (San Francisco Wallflower) · E. glandulosum (Jewelflower) · E. helveticum (Tufted Wallflower) · E. hieraciifolium (European Wallflower) · E. hirsutum (Hairy Rockcress) · E. holboellii (Holboell's Rockcress) · E. inconspicuum (Shy Wallflower) · E. inconspicuum (S.Watson) MacM. var. coarctatum (Fern.) G.Rossb. (Shy Wallflower) · E. inconspicuum var. coarctatum (Shy Wallflower) · E. inconspicuum var. inconspicuum (Shy Wallflower) · E. insulare (Island Wallflower) · E. insulare insulare (Island Wallflower) · E. insulare suffrutescens (Island Wallflower) · E. kotschyanum (Kotschy Erysimum) · E. linifolium (Alpine Wallflower) · E. linifolium 'Julian Orchard' (Alpine Wallflower) · E. linifolium 'Variegatum' (Variegated Wallflower) · E. linifolium 'Wenlock Beauty' (Alpine Wallflower) · E. menziesii (Coast Wallflower) · E. menziesii menziesii (Coast Wallflower) · E. menziesii yadonii (Menzies' Wallflower) · E. occidentale (Pale Wallflower) · E. odoratum (Smelly Wallflower) · E. pallasii (Pallas Wallflower) · E. pallasii var. bracteosum (Pallas' Wallflower) · E. pallasii var. ochroleucum (Pallas' Wallflower) · E. pallasii var. pallasii (Pallas' Wallflower) · E. perofskianum (Afghan Erysimum) · E. perofskianum 'Gold Shot' (Afghan Erysimum) · E. repandum (Repand Wallflower) · E. suffrutescens var. suffrutescens (Shrubby Wallflower) · E. teretifolium (Ben Lomond Wallflower) · E. xmarshallii (Siberian Wallflower) · E. x marshallii (Siberian Wallflower) · E. 'Apricot Twist' (Perennial Wallflower) · E. 'Bowles' Mauve' (Bowles' Mauve Perennial Wallflower) · E. 'Cotswold Gem' (Perennial Wallflower) · E. 'Fragrant Sunshine' (Perennial Wallflower) · E. 'John Codrington' (Perennial Wallflower) · E. 'Pastel Patchwork' (Perennial Wallflower) · E. 'Plant World Gold' (Perennial Wallflower) · E. 'Plant World Lemon' (Perennial Wallflower)

More Info

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Further Reading

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Notes

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Contributors

Identifiers

Footnotes

  1. Zhou Taiyan (Cheo Tai-yien, Lu Lianli (Lou Lian-li, Yang Guang, Vladimir I. Dorofeyev, Ihsan A. Al-Shehbaz "Erysimum". in Flora of China Vol. 8 Page 163. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
Last Revised: 7/22/2012