Difference between revisions of "Bacopa egensis"
Proc. Acad. Nat. Sci. Philadelphia 98: 96. 1946.
Common names: Brazilian water-hyssop
Introduced
Basionym: Hydranthelium egense Poeppig in E. G. Poeppig and S. L. Endlicher, Nov. Gen. Sp. Pl. 3: 75, plate 287, figs. 1–10. 1845
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|name=Hydranthelium egense | |name=Hydranthelium egense | ||
| − | |authority=Poeppig | + | |authority=Poeppig |
|rank=species | |rank=species | ||
| − | |publication_title=Nov. Gen. Sp. Pl. | + | |publication_title=in E. G. Poeppig and S. L. Endlicher, Nov. Gen. Sp. Pl. |
|publication_place=3: 75, plate 287, figs. 1–10. 1845 | |publication_place=3: 75, plate 287, figs. 1–10. 1845 | ||
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|special status=Introduced | |special status=Introduced | ||
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|genus=Bacopa | |genus=Bacopa | ||
|species=Bacopa egensis | |species=Bacopa egensis | ||
Latest revision as of 20:36, 5 November 2020
Perennials. Stems prostrate, 15–30 cm, hairy. Leaves glabrous; blade base narrowly cuneate, margins crenate, apex rounded with a narrow petiole-like base. Pedicels 10–12 mm. Flowers: sepals 4(or 5), ovate to oblong, calyx radially symmetric; corolla white with yellow throat, 3–5 mm; stamens 3 or 4, didynamous.
Phenology: Flowering Aug–Oct.
Habitat: Shallow, quiescent water, lakes.
Elevation: 0–20 m.
Distribution
Introduced; Ark., La., Central America (Costa Rica, Nicaragua), South America (Brazil), introduced also in w, c Africa (Republic of Cameroon, Democratic Republic of Congo, Ghana, Nigeria, Senegal).
Discussion
Bacopa egensis was first collected in the United States by Josiah Hale in the early 1800s (C. E. Depoe 1969). There are subsequent collections from Arkansas and Louisiana.
Selected References
Lower Taxa
None.