Portulaca oleracea L.
Family - Portulacaceae
Stems - From stout taproot, multiple from base, prostrate, greenish with some red tinge, branching, succulent, herbaceous.
Leaves - Alternate, sessile or very short petiolate (+/-1mm), glabrous, oblanceolate to obovate, obtuse to truncate at apex, tapering slightly to base, entire, glabrous, succulent, to 3cm long, 1.2cm broad.
Inflorescence - Single or few flowers terminating stems.
Flowers - Petals 5, yellow, glabrous, 3-4mm long, 2.5-3mm broad, distinct. Stamens 6-10. Filaments 1mm long, translucent yellow, glabrous. Anthers yellow, .2-.3mm broad. Style 5-lobed, 1.1mm long, glabrous. Calyx tube to 2mm long, glabrous, green, 2-lobed, with transverse groove. Lobes subequal to unequal, to 4mm long, glabrous, acute. Capsule circumsissle, to +5mm long (tall). Seeds many. Placentation free central.
Close-up of dehisced capsules with seeds.
Flowering - June - November.
Habitat - Cultivated and waste ground, rocky bluffs, glades. roadsides.
Origin - Native to Eurasia.
Other info. - This small plant is becoming common throughout Missouri. The succulent nature of the plant allows it to survive in habitats barren habitats.
Photographs taken off Prairie View Rd., Platte County, MO., 8-1-00, and in Daytona Beach, FL., 7-2-02.