Micranthemum umbrosum
Rhodora 17: 131. 1915.
Common names: Shade mudflower baby's tears
WeedyIllustrated
Basionym: Globifera umbrosa J. F. Gmelin Syst. Nat. 1: 32. 1791
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"
geniculate +
lateral +
absent +
prominent +
absent +
hypogynous +
absent +
not leathery +
absent +
absent +
not winged +
symmetric +
campanulate +
equal +
irregular +
bilabiate +
symmetric +
white +
rotate +
straight +
rudimentary +
glabrous +
chasmogamous +
irregular +
Present +
axillary +
racemelike +
simple +
opposite +
cauline +
prominent +
oblanceolate;lanceolate +
? (?) +
equal +
axile +
superior +
orthotropous +
absent +
hypogynous +
connate +
absent +
2-carpellate +
Rhodora +
1915 +
yellowish +
15;20 +
connate +
didynamous +
adnate +
equal +
absent +
rooting +
glabrous +
absent +
Micranthemum umbrosum +
Micranthemum +
species +
annual +
autotrophic +
not fleshy +
absent +