FoI
White Porterweed   
Foto info
White Porterweed
P Native Photo: Tabish
Common name: White Porterweed
Botanical name: Stachytarpheta cayennensis    Family: Verbenaceae (Verbena family)
Synonyms: Stachytarpheta australis f. albiflora, Stachytarpheta cayennensis f. alba

White Porterweed is a small shrub, 1-2.5 m tall, with nearly cylindrical, hairless branches. Leaves are opposite-decussate, ovate to elliptic, 3-6 cm long, 1.5-2.5 cm broad, sawtoothed, wedge-shaped, scabrous, shortly stalked; leaf-stalk 1-1.5 cm long. Spikes are elongated, up to 25 cm long, slender, becoming hairless or sparsely velvet-hairy. Flowers are white or blue with whitish centers, about 5 mm across, bracteate with linear-lanceshaped tapering bracts. Calyx-tube is 4-5 mm long, 4-toothed, hairless. Flower-tube as long or slightly exceeding the calyx; limb 4-5-lobed, with lobes 1.5-2 mm long. Fruit with persistent style, splitting into two, 1-seeded pyrenes. White Porterweed is found throughout the Tropical world.

Photographed in Imphal, Manipur.

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