Botanical name: Vandellia micrantha Family: Linderniaceae (Lindernia family)
Synonyms: Lindernia micrantha, Lindernia angustifolia, Vandellia angustifolia
Small-Flowered Lindernia is an annual herb to 40 cm tall. Stem is usually erect, striped, hairless; branches few to numerous, rising up, striped, hairless. Leaves are stalkless, linear to linear-lanceshaped, 1-4 cm x 2-8 mm, hairless, margin entire or somewhat irregularly sawtoothed; main veins 3-5, parallel. Flowers are borne singly in leaf-axils. Flowers are purple, blue-purple, or white, about 6.5 mm; lower lip slightly longer than upper, spreading flat, 3-lobed; upper lip 2-lobed. Flower-stalks are up to 3.5 cm in fruit, striped, hairless. Sepal-cup is about 2.5 mm, to 4 mm in fruit, lobed to base; sepals narrowly lanceshaped, hairless. Capsules are linear, up to 1.4 cm, more than twice as long as persistent sepal-cup. Small-Flowered Lindernia is found in rice fields, along rivers, wet areas; at altitudes of about 1500 m, in India, China, SE Asia, Japan, S Korea. Flowering: May-October.
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The flower labeled Small-Flowered Lindernia is ...