05
Jun
2010
Thlaspi montanum L.
Flowers | Magnoliopsida
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Scientific Name – Thlaspi montanum L.

Synonim

Common name(s) – erba storna montanum, wild candytuft.

Distribution and Habitat – Native to Central Europe, on rocky slopes.

Description –  perennial. Stems erect, 10-20 cm  tall, glabrous, glaucous. Basal leaves numerous, greenish, oval to oblong, with an entire or sparsely dentate margin; blade 0.5-2 cm long; petiole 1-2 times as long as the blade. Caluline leaves 0.5-2 cm long, sessile, auriculate, greenish or purplish, entire or dentate margin, obtuse to acute apex. Sepals greenish to purplish, 2-2.5 mm long; petals white to purplish-pink, spatulate; anthers yellow, rarely white to purple. Infrutescens 2-8 cm long. Fruit silique, obovate to obcordate, truncate or emarginated at the apex, greenish to purplish, 5-8 mm long; styles 1-2 mm long. Seeds elliptic, flattish, 1.6 x 1.4 mm, smooth, yellowish to dark-brown, 2n = 28

Thlaspi montanum var. fendleri – petals 7-13 mm long, pinkish; siliques 8-12 mm long; infrutescens compact. Blooms in February-August.

Thlaspi montanum var. montanum – petals 4-7 mm long, white; siliques 5-8 mm long.

Thlaspi montanum var. siskiyouense – petioles of basal leaves 2-4 times longer than the blades; stems and siliques mostly purplish.

Curiosity – Thlaspi montanum var. siskiyouense is a serpentine endemic from southwestern Oregon.

 

 

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