Difference between revisions of "Murdannia keisak"
Symb. Sin. 7: 1243. 1936.
WeedyIntroducedIllustrated
Basionym: Aneilema keisak Hasskarl Commelin. Ind., 32. 1870
Treatment appears in FNA Volume 22.
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|publication year=1936 | |publication year=1936 | ||
|special status=Weedy;Introduced;Illustrated | |special status=Weedy;Introduced;Illustrated | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V22/V22_92.xml |
|genus=Murdannia | |genus=Murdannia | ||
|species=Murdannia keisak | |species=Murdannia keisak | ||
Latest revision as of 21:32, 5 November 2020
Herbs, annual, with long-trailing, decumbent shoots. Leaves: blade linear-oblong to linear-lanceolate, 1.5–7 × 0.2–1 cm, glabrous. Inflorescences terminal and in distal leaf axils; cymes 1-several, 1-flowered, solitary or fascicled. Flowers bisexual, radially symmetric, 1 cm wide; sepals 5–6 mm; petals purplish lilac or purple to pink or white, 5–8 mm; stamens 3; filaments bearded; staminodes 3. Capsules (4–)5–9 mm. Seeds 2–6 per locule, 1.6–3 mm, faintly ribbed.
Phenology: Flowering fall.
Habitat: Roadside ditches and swales, margins of lakes, creeks, rivers, swamps, bogs, swamp forest, and other aquatic habitats, often growing in water
Distribution
Introduced; Ark., Fla., Ga., Ky., La., Md., Miss., N.C., Oreg., S.C., Tenn., Va., Wash., Europe, native, Asia.
Discussion
I agree with C. P. Dunn and R. R. Sharitz (1990) that this species is still expanding its range since its introduction early this century.
Selected References
Lower Taxa
None.