Oldenlandia uniflora (Hedyotis u.)|clustered mille graines|Rubiaceae

Oldenlandia uniflora.© Copyright Bobby Hattaway 2011 · 5.discoverlife.org (Accessed 2/2015).

Oldenlandia uniflora is an annual herb, stems 10-50 cm long, erect to spreading, usually hairy, sparsely branched.

Leaves opposite, stalkless, lance-shaped, 1-2.5 cm long, margins white-hairy.

Flowers white, radially symmetrical, tubular, 0.2 cm wide, petal lobes 4, shorted than sepals; inflorescence of dense clusters, all flowers with same style length (homostylous); blooms and fruits July-Oct.

Fruit dry, densely white-hairy, below persistent sepals, seeds numerous.

Wetland status: FACW.

Frequency in NYC: Very infrequent.

Origin: Native.

Habitat: Wet open sand or soil. A coastal plain plant.

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Oldenlandia uniflora (Hedyotis u.) clustered mille graines Rubiaceae HEUN; R (DeCandido 2001);