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Dimorphocarpa
Family: Brassicaceae
Dimorphocarpa image
Sue Carnahan
  • FNA
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Ihsan A. Al-Shehbaz in Flora of North America (vol. 7)
Annuals, biennials, or, rarely, perennials; not scapose; densely pubescent throughout, trichomes usually subsessile and stellate, mixed with minutely stalked, dendritic ones, rarely unbranched. Stems erect [ascending], unbranched or branched proximally, branched distally. Leaves basal and cauline; petiolate or sessile; basal not rosulate, petiolate, blade margins dentate, pinnatifid, or lobed; cauline sessile, subsessile, or shortly petiolate, blade (base not auriculate), margins entire or lobed. Racemes (corymbose), considerably elongated in fruit. Fruiting pedicels divaricate, sometimes ascending or slightly reflexed, slender. Flowers: sepals widely spreading to reflexed, oblong, (equal), lateral pair not saccate basally; petals (spreading), white or lavender, obovate (longer than sepals), claw well-differentiated from blade, (apex rounded); stamens (somewhat spreading), tetradynamous; filaments not dilated basally; anthers oblong [sagittate]; nectar glands distinct, lateral and median present; (gynophore to 0.5 mm). Fruits silicles, subsessile, breaking into two 1-seeded units at maturity, didymous, suborbicular, or broader than long, winged, strongly angustiseptate; valves keeled, enclosing seeds when falling off, not winged, narrowly winged, or margined, indurated around margin, glabrous or pubescent; replum concealed by valve margin; septum complete (ca. 0.1 mm wide); ovules 2 per ovary; style relatively short or obsolete, (terete or flattened); stigma conical, decurrently 2-lobed (appearing entire). Seeds aseriate, strongly flattened, not winged, broadly oblong to suborbicular; seed coat (smooth), not mucilaginous when wetted; cotyledons accumbent to obliquely incumbent. x = 9.
Show all taxa
Dimorphocarpa candicans
Image of Dimorphocarpa candicans
Dimorphocarpa membranacea
Image of Dimorphocarpa membranacea
Dimorphocarpa pinnatifida
Image of Dimorphocarpa pinnatifida
Dimorphocarpa wislizeni
Image of Dimorphocarpa wislizeni
The National Science Foundation
Development supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)
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