Hydrocotyle Bonariensis Beach Pennywort

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To Be Inserted as an Additional Taxa Under Hedera helix: Hydrocotyle bonariensis P. Commerson ex J. de Lamarck Beach Pennywort C Also known as Dollar-Weed or Sombrerillo; Beach Pennywort is a low growing mostly evergreen herbaceous perennial with round to reniform peltate 2O to 4O diameter leaves; leaves are said to resemble a green silver dollar and are thick and rubbery in texture with a lustrous green coloration; the veins radiate like spokes on a wheel from the petiole and the margins are lightly undulate and scalloped or shallowly toothed; this mat-forming 4Oto 10O (20O) tall groundcover forms a solid canopy of leaves which arise from thin stoloniferous stems that root at the nodes to spread aggressively. C The inflorescences are noticeable, but not showy, many-branched 1O to 3O diameter umbels of aesthetically inconsequential tiny five-petaled white to greenish yellow flowers; found with the fruit from spring to fall; botanically interesting, but tending to detract from the handsome foliage. C Beach Pennywort is actually a member of the family Apiaceae, closely allied botanically to the Araliaceae which contains the genus Hedera; like Hedera spp., Beach Pennywort may serve as a groundcover substitute for Hedera spp. in saline environments such as coastal landscapes; Hydrocotyle bonariensis is tolerant of direct salt spray from the ocean and can be found on the dunes; it is particularly prevalent behind the first dunes in sandy depressions where regular moisture is available; full sun to part shade is suitable and plants tolerate less than perfect drainage; hardiness has not been fully determined, but likely encompasses USDA zones 8(7) through 11 based on the species native distribution. C This Southeastern US and Texas native deserves consideration as a tough, but aggressive, groundcover for coastal landscapes or other saline environments; it is a good soil stabilizer. Copyrighted 2003 with all rights reserved by Michael A. Arnold; intended for future inclusion in Landscape Plants For Texas And Environs, Third Edition..

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