Botanical name: Thlaspi montanum Family: Brassicaceae (Mustard family)
Synonyms: Thlaspi cochleariforme auct. non DC., Thlaspi cochleariforme DC. subsp. griffithianum (Boiss.) Jafri, Thlaspi alpestre auct. non L
Mountain Penny-Cress is a perennial, mat-formimg herb up to 30 cm tall. Stems are many from short or elongated branched caudex, hairless, mostly glaucous. Basal leaves are in rosettes, spoon-shaped or oblong-obovate, narrowed and stalked at base, mostly rounded at tip, 1.5-7 x 0.3-2 cm; stem leaves ovate-heart-shaped, stalkless, eared and clasping at base, blunt to pointed at tip, 1 - 3 x 0.4 - 1.5 cm; all entire or sinuate-finely toothed, somewhat leathery, hairless. White flowers are borne in racemes up to 10 cm long in fruit; flower-stalks usually horizontal to horizontal-ascending or sometimes obscurely deflexed up to 8 mm long in fruit. Sepals are ovate or oblong-ovate, greenish to purplish with a narrow hyaline border, 2.5 - 3 mm long. Petals are spoon-shaped, white or pinkish purple, wedge-shaped at base, 4-7 mm long, about 3 mm wide. Fruits are obovate or inverted-heart-shaped, blunt to flat or subnotched to distinctly notched at tip, obscurely to slightly winged above, 4 - 8 x 2 - 3.5 mm; style 1 - 2 mm long. Seeds ovate, pale brown, 2 - 4 in each locule, ovate, about 1.5 mm long, pale brown. Mountain Penny-Cress is found in the Himalayas at altitudes of 600-3700 m, from Jammu & Kashmir, Himachal Pradesh, Uttarakhand, Sikkim, SW Asia, Europe and America. Flowering: April-August.
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The flower labeled Mountain Penny-Cress is ...