Australian Tropical Rainforest Plants - Online edition
Persicaria hydropiper (L.) Delarbre
Delarbre, A. (1800) Flore de la ci-devant Auvergne. Flore d' Auvergne Edn. 2, 2: 518
Water Pepper; Pepper, Water
Usually flowers and fruits as a weedy shrub about 1-2 m tall.
Perianth segments about 2-3 mm long, with numerous small glands on the outer surface. Stamens 7 alternating with 7 small glands at the base.
Cotyledons about 7-8 x 4 mm, petioles about 2-3 mm long. First pair of leaves elliptic to ovate, about 17 x 6 mm, apex acute to apiculate, base cuneate to attenuate. At the tenth leaf stage: petiole with sheathing membranous base which surrounds the stem for about 5-20 mm. Seed germination time 27 days.
Distribution and Ecology
Polygonum hydropiper L., Species Plantarum 2: 361(1753), Type: Habitat in Europae subhumidis. Persicaria hydropiper (L.) Spach, Histoire Naturelle des Vegetaux 10: 536 (1841).
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