Author
Tiffany Miles
clustered mille graines
Common Name
Pools and depressions in pine savannas and flatwoods, moist to wet banks of streams, ditches, and canals, moist to wet clearings, marshy shores, interdune swales, alluvial outwash, sometimes in floating mats of vegetation.
USDA, NRCS. 2007. The PLANTS Database ( http://plants.usda.gov, 5 December 2007). National Plant Data Center, Baton Rouge, LA 70874-4490 USA. Species Profile: http://plants.usda.gov/java/profile?symbol=OLUN
Ecology
Rubiaceae
Electronic links
Mostly summer and fall.
Family
Flowers sessile in the leaf axils, varying from solitary to several to numerous in compact clusters, mostly the latter. Calyx segments 4, varying from narrowly triangular to deltoid or ovate-triangular, 1-1.5 mm long, the segments and the floral tube usually pilose, sometimes glabrous. Corolla segments 4, white, tube very short cylindrical, lobes rotate, a little shorter than the calyx segments. Stamens inserted on teh corolla tube, 4. Ovary inferior, 2-locula, ovules numerous in each locule, style 1, stigmas 2.
Flowering period
Capsule about 2 mm broad and long, loculicidally dehiscent across its summit. Seeds numerous, minute, strongly angular, from light to dark purplish.
Flowers
Coastal plain, New York to southern Florida, westward to eastern Texas and northward to Missouri.
Fruit
Annual. Stems simple to loosely branched, branches weakly ascending to decumbent, mostly 1-6 dm long (diminutive late-season individuals sometimes 1-2 cm high, cushionlike), varying from copiously to sparsely white-pilose to glabrous.
Geographic distribution
Flowers sessile in the leaf axils, varying from solitary to numerous in compact clusters, mostly the latter.
Habit and Stem
Leaves sessile or subsessile. Blades lanceolate, ovate, ovate-elliptic, 5-20 mm long and 4-10 mm broad, bases short-cuneate, occasionally nearly truncate and subclasping, apices blunt, surfaces and margins varyingly hispid to glabrous.
Rubiaceae: Oldenlandia uniflora L. Species Plantarum. pg. 119. Original Data: Notes: equals glomerata.
Inflorescence
Godfrey, Robert, and Jean Wooten. 1981. Aquatic and Wetland Plants of Southeastern United States, Dicotyledons. Athens: The University of Georgia Press. pp. 930. pg. 720 as Hedyotis uniflora.
Oldenlandia uniflora L. (clustered mille graines). Plants Database. United States Department of Agriculture Natural Resources Conservation Service. 4 Dec 2007. http://plants.usda.gov/java/profile?symbol=OLUN
The International Plant Names Index (2004). Published on the Internet http://www.ipni.org Accessed 5 December 2007.
Leaves
Seeds numerous, minute, strongly angular, from light to dark purplish.
Oldenlandia uniflora Linnaeus
Place of Species Publication
Hedyotis fasciculata Bertol.
Hedyotis uniflora (L.) Lam.
Hedyotis uniflora (L.) Lam. var. fasciculata (Bertol.) W.H. Lewis
Oldenlandia fasciculata (Bertol.) Small
References
FACW-