Indian Canyon Twinpod (Physaria grahamii)
Description
It has dense, stellate, and pubescent trichomes. Its caudex is thick, and is around 1-2 dm long. Its radical leaves are rosulate and ascending. These leaves measure about 4-7 cm long and 1-2.5 cm wide, and can be shaped broadly ovate to almost orbicular. Its cauline leaves are oblanceolate, and measures 1.5-3 cm long. Its sepals are oblong and measure 7-9 mm long and 2-3 mm wide. Its petals are yellow, lingulate to spatulate, and measure 10-12 mm long and 3-4 mm wide. Its pedicels are ascending, and measure 1-1.5 cm long. Its siliques are didymous, densely pubescent, and can grow up to 1.5 cm high. Its replum can be pubescent or glabrous, and it measures 4-5 mm long. Its immature seeds are wingless and plump.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Magnoliophyta
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Class: Magnoliopsida
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Order: Brassicales
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Family: Brassicaceae
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Genus: Physaria
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