Microthlaspi perfoliatum(L.) F. K. Mey. [family BRASSICACEAE ] (stored under name); Verified by F.-K. Meyer, Thlaspi micranthumBoissier & Blanche [family BRASSICACEAE ] Verified by J. Müller (JE),
Related name
Microthlaspi perfoliatum
Thlaspi perfoliatum
Thlaspi micranthum
Flora
Entry for Microthlaspi perfoliatum (Linnaeus) F. K. Meyer [family CRUCIFERAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 7,
Names
Microthlaspi perfoliatum(Linnaeus) F. K. Meyer [family CRUCIFERAE], Feddes Repert., 84: 453. 1973
Stems unbranched or branched basally or distally, (0.3–)0.5–2.8(–4) dm. Basal leaves (not rosulate or loosely so); petiole 0.5–1.3 cm; blade ovate or broadly elliptic, 0.3–2(–2.7) cm × 2–10 mm, base cuneate or attenuate, margins entire or, rarely, obtusely and sparsely dentate, apex rounded. Cauline leaves: blade ovate-cordate or suboblong, (1–)2–4(–5.5) cm × (2–)5–15(–20) mm, base cordate-amplexicaul, margins entire or repand, apex obtuse. Fruiting pedicels (2.5–)4–6(–8) mm. Flowers: sepals (0.8–)1–1.5(–2) × 0.5–1 mm, (margins white); petals 1.5–3.5(–4.7) × 0.5–1.3 mm; filaments 1–1.5(–2) mm; anthers 0.1–0.2 mm. Fruits 3–6.5(–8) × (2.5–)3–6(–7) mm, base obtuse, apical notch 1–1.5 mm deep; wings 1–2 mm wide apically, much narrower basally; style obsolete or 0.1–0.3 mm. Seeds yellow-brown, 0.9–1.3(–1.5) × 0.7–1(–1.2) mm. 2n = 14, 28, 42.
