Micranthemum umbrosum

(J. F. Gmelin) S. F. Blake

Rhodora 17: 131. 1915.

Common names: Shade mudflower baby's tears
WeedyIllustrated
Basionym: Globifera umbrosa J. F. Gmelin Syst. Nat. 1: 32. 1791
Treatment appears in FNA Volume 17. Treatment on page 358. Mentioned on page 356.

Leaves opposite; petiole 0–0.4 mm; blade orbiculate, ovate, or obovate, 2–9 × 1.5–7 mm. Pedicels 0.2–0.9 mm. Flowers chasmogamous; calyx symmetric, 1.2–1.5 mm, tube 0.2–0.4 mm, lobes 0.9–1.1 mm; corolla slightly bilaterally symmetric, weakly bilabiate, ± rotate, 1.3–1.5 mm, shorter than or equal to calyx, tube 0.7–1 mm, abaxial lobe 1, not forming a prominent lip, 0.8–1 mm, lateral 2, 0.6–0.7 mm, adaxial 0.4–0.5 mm. Capsules 1.1–1.2 × 0.9–1 mm. Seeds oblong to narrowly obconic, 0.3–0.4 × 0.1–0.2 mm.


Phenology: Flowering late summer–fall.
Habitat: Swamps, margins of ponds, lakes, and sluggish streams, wet ditches.
Elevation: 0–200 m.

Distribution

Ala., Ark., Fla., Ga., La., Miss., N.C., S.C., Tenn., Tex., Va., West Indies, Central America, South America.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Micranthemum umbrosum"
Brian R. Keener +
(J. F. Gmelin) S. F. Blake +
Globifera umbrosa +
Shade mudflower +  and baby's tears +
Ala. +, Ark. +, Fla. +, Ga. +, La. +, Miss. +, N.C. +, S.C. +, Tenn. +, Tex. +, Va. +, West Indies +, Central America +  and South America. +
0–200 m. +
Swamps, margins of ponds, lakes, and sluggish streams, wet ditches. +
Flowering late summer–fall. +
Weedy +  and Illustrated +
Hemianthus +
Micranthemum umbrosum +
Micranthemum +
species +