Difference between revisions of "Microthlaspi perfoliatum"
Feddes Repert. 84: 453. 1973.
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|name=Thlaspi perfoliatum | |name=Thlaspi perfoliatum | ||
|authority=Linnaeus | |authority=Linnaeus | ||
+ | |rank=species | ||
|publication_title=Sp. Pl. | |publication_title=Sp. Pl. | ||
|publication_place=2: 646. 1753 | |publication_place=2: 646. 1753 | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Microthlaspi perfoliatum | name=Microthlaspi perfoliatum | ||
− | |||
|authority=(Linnaeus) F. K. Meyer | |authority=(Linnaeus) F. K. Meyer | ||
|rank=species | |rank=species | ||
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|publication year=1973 | |publication year=1973 | ||
|special status= | |special status= | ||
− | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V7/V7_977.xml |
|tribe=Brassicaceae tribe Noccaeeae | |tribe=Brassicaceae tribe Noccaeeae | ||
|genus=Microthlaspi | |genus=Microthlaspi |
Revision as of 23:21, 16 December 2019
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.
Phenology: Flowering Mar–May.
Habitat: Waste grounds, roadsides, fields, plains, thickets
Elevation: 0-500 m
Distribution
Ill., Ind., Kans., Ky., Md., Mo., N.J., N.Y., N.C., Ohio, Pa., Tenn., Va., Wash., W.Va., Europe, Asia, n Africa.
Discussion
Selected References
None.