Difference between revisions of "Murdannia keisak"
Symb. Sin. 7: 1243. 1936.
Basionym: Aneilema keisak Hasskarl Commelin. Ind., 32. 1870
Treatment appears in FNA Volume 22.
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Revision as of 21:01, 16 December 2019
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
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.