Difference between revisions of "Mazus pumilus"
Nova Guinea, n. s. 9: 31. 1958.
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|label=Selected by author to be illustrated | |label=Selected by author to be illustrated | ||
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Lobelia pumila | |name=Lobelia pumila | ||
|authority=Burman f. | |authority=Burman f. | ||
| + | |publication_title=Fl. Indica, | ||
| + | |publication_place=186, plate 60, fig. 3. 1768 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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|publication year=1958 | |publication year=1958 | ||
|special status=Weedy;Introduced;Selected by author to be illustrated | |special status=Weedy;Introduced;Selected by author to be illustrated | ||
| − | |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/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V17/V17_1259.xml |
|genus=Mazus | |genus=Mazus | ||
|species=Mazus pumilus | |species=Mazus pumilus | ||
Revision as of 19:27, 24 September 2019
Annuals, 2–20 cm; stolons absent. Stems erect, ascending, or prostrate, sometimes branched near base, hairy. Leaves: basal leaves: petiole 2–13 mm; blade ovate to oblanceolate, 5–30 × 2–15 mm, faces glabrous; cauline leaves: petiole 0–8 mm, ciliate or glabrous; blade obovate to spatulate, 8–30 × 3–20 mm, base long-cuneate, usually ciliate near base, faces glabrous or abaxially hairy along veins, adaxially hairy proximally. Racemes scapose or terminating erect stems, 0.5–12 cm. Pedicels 2–10 mm, hairy or glabrous; bracteoles narrowly triangular, 1–1.5 mm, glabrous. Flowers: calyx 5–7 mm, sparsely hairy, tube 2–3 mm, lobes 3–4 mm; corolla 7–9 mm, tube 4–5 mm, abaxial lobes 3–4 mm, adaxial 2–3 mm. Capsules 2–3 × 1.8–2.2 mm. Seeds 0.4–0.6 × 0.3–0.4 mm. 2n = 40 (Asia).
Phenology: Flowering spring–fall.
Habitat: Lawns, roadsides, stream banks, lakeshores, shady, moist areas.
Elevation: 0–700 m.
Distribution
Ala., Ark., Del., D.C., Fla., Ga., Ill., La., Mass., Miss., Mo., N.Y., N.C., Ohio, Okla., Oreg., Pa., S.C., Tenn., Tex., Va., Wash., W.Va., Wis., e Asia, introduced also in Central America, South America, Europe, Africa, Australia.
Discussion
The description and illustration of the type by Burman do not seem to match this species. Steenis examined specimens used by Burman and determined that they are indeed referable to Mazus pumilus; his combination has priority over M. japonicus.
Selected References
None.