Thlaspi alliaceum
Sp. Pl. 2: 646. 1753.
Plants mostly glabrous, sparsely to densely pubescent basally along stem, trichomes to 2 mm. Stems (1.2–) 2.5–6.5 (–7.5) dm. Basal leaves (withered in fruit) laxly rosulate; petiole (0.5–) 1–4 (–6) cm; blade spatulate, obovate, or oblong-oblanceolate, 0.5–3.5 cm × 6–20 mm, bases attenuate or cuneate, margins entire, repand, or sinuate-dentate, apex rounded. Cauline leaves: blade oblong, 1–4.5 cm × 2–10 mm, apex obtuse or subacute. Fruiting pedicels straight or slightly recurved, (6–) 9–12 (–16) mm. Flowers: sepals 1.2–2.6 × 0.7–1.2 mm; petals 2.5–4 × 1–1.7 mm, narrowed to clawlike base, apex obtuse; filaments 1.2–2 mm; anthers 0.2–0.4 mm. Fruits obovate or narrowly obcordate, 5–7.5 × 3.7–5.5 mm, base cuneate, apex shallowly emarginate, notch to 0.5 mm deep; wings obscure basally, to 1 mm wide apically; ovules 6–10 per ovary; style 0.1–0.3 mm. Seeds 1.2–1.4 × 0.9–1 mm, alveolate. 2n = 14.
Phenology: Flowering Apr–May.
Habitat: Roadsides, grassy shoulders, fields, waste ground, pastures
Elevation: 0-600 m
Distribution
Introduced; Del., Ind., Ky., La., Md., N.C., Ohio, Pa., Tenn., Va., W.Va., Europe
Discussion
Thlaspi alliaceum has a garlic-like smell when fresh.
Selected References
None.
Lower Taxa
"elongated" is not a number."thick" is not a number."dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property.