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Lepidium

Lepidium
Family: Brassicaceae
Lepidium image
Max Licher
  • FNA
  • Gleason & Cronquist
  • Resources
Ihsan A. Al-Shehbaz, John F. Gaskin in Flora of North America (vol. 7)
Plants not scapose; glabrous, pubescent, hirsute, or pilose. Stems usually erect or ascending, sometimes procumbent, decumbent, or prostrate, unbranched or branched. Leaves usually basal and cauline (basal absent in L. fremontii); petiolate or sessile; basal rosulate or not, petiolate (or petiole undifferentiated from blade), blade margins entire, dentate, denticulate, serrate, crenate, or lobed; cauline petiolate or sessile, blade (base auriculate or not), margins entire, dentate, or pinnately divided. Racemes (usually corymbose), elongated or not in fruit. Fruiting pedicels erect to divaricate, slender or stout. Flowers: sepals (usually deciduous, sometimes persistent), usually ovate or oblong, rarely suborbicular; petals (erect or spreading, sometimes rudimentary or absent), obovate, spatulate, oblong, oblanceolate, orbicular, linear, or filiform, claw absent or differentiated from blade, (apex obtuse, rounded, or emarginate); stamens 2 or 4 and equal in length, lateral or median, or 6 and tetradynamous; filaments not dilated basally; anthers ovate or oblong; (ovary placentation apical); nectar glands (4 or 6), distinct, median glands often present. Fruits schizocarps or silicles, (rarely indehiscent), sessile, didymous, oblong, ovate, obovate, cordate, obcordate, elliptic, orbicular, ovoid, obovoid, or globose, strongly angustiseptate or inflated and terete; valves each with prominent veins or not veined, (keeled or rounded, apex winged or not, thin or strongly thickened and ornamented, enclosing or readily releasing seed), glabrous or pubescent; replum rounded, (visible); septum complete or perforated; style absent, obsolete, or distinct, (included or exserted from apical notch); stigma capitate, usually entire, rarely 2-lobed. Seeds oblong or ovate [obovate], plump or flattened, winged, margined, or not winged; seed coat (smooth, minutely reticulate, or papillate), usually copiously mucilaginous when wetted, rarely not; cotyledons usually incumbent (accumbent in L. virginicum) [diplecolobal].
Vascular plants of NE US and adjacent Canada
Sep oblong to rotund; pet small, white (yellow), linear to spatulate, or often lacking; stamens 6, or by abortion 4 or 2; anthers small, oval; ovary flat; ovules 1 per locule, suspended; style short or none; stigma capitate; fr a silicle, flattened contrary to the narrow septum, thin or somewhat distended over the seeds, ovate to orbicular or obovate, often winged, commonly retuse, tipped by the persistent style or stigma; herbs with linear to elliptic, entire to pinnatifid lvs. 175, cosmop.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
Species within checklist: PSC 5550/6550 Set 3 Weeds || << 1 - 50 taxa >>
Lepidium acutidens
Media resource of Lepidium acutidens
Map not
Available
Lepidium affine
Media
not available
Map not
Available
Lepidium africanum
Media resource of Lepidium africanum
Map not
Available
Lepidium alluaudii
Media
not available
Map not
Available
Lepidium alyssoides
Media resource of Lepidium alyssoides
Map not
Available
Lepidium angolense
Media
not available
Map not
Available
Lepidium apetalum
Media resource of Lepidium apetalum
Map not
Available
Lepidium appelianum
Media resource of Lepidium appelianum
Map not
Available
Lepidium arbuscula
Media
not available
Map not
Available
Lepidium armoracia
Media resource of Lepidium armoracia
Map not
Available
Lepidium aucheri
Media resource of Lepidium aucheri
Map not
Available
Lepidium austrinum
Media resource of Lepidium austrinum
Map not
Available
Lepidium barnebyanum
Media resource of Lepidium barnebyanum
Map not
Available
Lepidium beamanii
Media resource of Lepidium beamanii
Map not
Available
Lepidium bernardinum
Media resource of Lepidium bernardinum
Map not
Available
Lepidium bidentatum
Media
not available
Map not
Available
Lepidium bipinnatifidum
Media resource of Lepidium bipinnatifidum
Map not
Available
Lepidium bipinnatum
Media
not available
Map not
Available
Lepidium bonariense
Media resource of Lepidium bonariense
Map not
Available
Lepidium brachybotryum
Media resource of Lepidium brachybotryum
Map not
Available
Lepidium brownii
Media resource of Lepidium brownii
Map not
Available
Lepidium californicum
Media resource of Lepidium californicum
Map not
Available
Lepidium campestre
Media resource of Lepidium campestre
Map not
Available
Lepidium capense
Media resource of Lepidium capense
Map not
Available
Lepidium capitatum
Media resource of Lepidium capitatum
Map not
Available
Lepidium cartilagineum
Media resource of Lepidium cartilagineum
Map not
Available
Lepidium chalepense
Media resource of Lepidium chalepense
Map not
Available
Lepidium chalepensis
Media resource of Lepidium chalepensis
Map not
Available
Lepidium cordatum
Media
not available
Map not
Available
Lepidium coronopifolium
Media
not available
Map not
Available
Lepidium coronopus
Media resource of Lepidium coronopus
Map not
Available
Lepidium costaricense
Media resource of Lepidium costaricense
Map not
Available
Lepidium costarricense
Media resource of Lepidium costarricense
Map not
Available
Lepidium crandallii
Media resource of Lepidium crandallii
Map not
Available
Lepidium crenatum
Media resource of Lepidium crenatum
Map not
Available
Lepidium cyclocarpum
Media
not available
Map not
Available
Lepidium davisii
Media resource of Lepidium davisii
Map not
Available
Lepidium densiflorum
Media resource of Lepidium densiflorum
Map not
Available
Lepidium desertorum
Media resource of Lepidium desertorum
Map not
Available
Lepidium desvauxii
Media resource of Lepidium desvauxii
Map not
Available
Lepidium dictyotum
Media resource of Lepidium dictyotum
Map not
Available
Lepidium didymum
Media resource of Lepidium didymum
Map not
Available
Lepidium divaricatum
Media resource of Lepidium divaricatum
Map not
Available
Lepidium divergens
Media resource of Lepidium divergens
Map not
Available
Lepidium draba
Media resource of Lepidium draba
Map not
Available
Lepidium eastwoodiae
Media resource of Lepidium eastwoodiae
Map not
Available
Lepidium elongatum
Media resource of Lepidium elongatum
Map not
Available
Lepidium englerianum
Media resource of Lepidium englerianum
Map not
Available
Lepidium fasciculatum
Media resource of Lepidium fasciculatum
Map not
Available
Lepidium ferganense
Media
not available
Map not
Available
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