Common Name: Halberd-leaved tearthumbScientific Name: Polygonum arifolium L.Family Name: Polygonaceae - Smartweed or Buckwheat FamilyIdentification NotesLife Cyclenative annual, reproducing by seed Stemsupright becoming reclining or sprawling, 4-sided and ribbed, slender and weak, retrorsely barbed, nodes swollen with ohrea present, ohrea with fringed apex and bristle at base Leavesalternate, arrow-shaped with triangular and spreading basal lobes, tips pointed, margins entire, often pubescent, barbs on mid-vein below, petioles slender and barbed, long petioles below and nearly sessile above Flowers5-sepaled, pink to white, egg-shaped and often closed; terminal and axillary racemes with 2 to four flowers, stalk glandular and bristly