Decumaria barbara

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Decumaria barbara
Decumaria barbara Gil.jpg
Photo taken by Gil Nelson
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida – Dicotyledons
Order: Rosales
Family: Hydrangeaceae
Genus: Decumaria
Species: D. barbara
Binomial name
Decumaria barbara
DECU BARB dist.jpg
Natural range of Decumaria barbara from USDA NRCS Plants Database.

Common names: Woodvamp; Climbing hydrangea; Cowitch vine

Taxonomic notes


It has a vining and climbing habit.[1]

"High-climbing, woody vine with adventitious, aerial roots. Leaves opposite, ovate, elliptic, or obovate, 3-12 cm long, 1-7 cm wide, glabrous above, pubescent beneath, at least n the veins, acute or acuminate, entire to coarsely serrate, base cuneate to cordate, petiolate. Corymbs terminal, 4-10 cm broad; flowers numerous, perfect, regular, bracteates, short-pedicellate. Calyx tube 7-10 cm ribbed, turbinate, ca. 1.5 mm long in anthesis, 3.5-4 mm long in fruit, lobes 7-10, persistent, 0.2-1 mm long; petals 7-10, white; stamens numerous; carpels 7-10, stigma capitate with 7-10 lobes, style solitary, thick, ca. 1 mm long, ovary inferior, 7-10 locular, many-ovulate, placentation parietal. Capsules turbinate or obovoid, conspicuously longitudinally ribbed, 4-5 mm long; seeds lustrous, yellow, linear-terete, ca. 2 mm long." [2]




It is found in in swampy woods, along banks and streams, in floodplains, in mesic woodlands, slopes of ravines, and seen climbing on a tree trunk. It requires low light levels. It is associated with drying sandy loam soil types.[1]

Associated species includes Acer, Carpinus, Fraxinus, Nyssa, Quercus, Taxodium.[1]


Flowers are white, bisexual and radially symmetrical.[3] It has been observed flowering in April and May and seen fruiting in May.[1] Fruit capsules are urn-shaped and tan.[4]

Conservation and management

Cultivation and restoration

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 1.3 Florida State University Robert K. Godfrey Herbarium database. URL: Last accessed: June 2014. Collectors: Loran C. Anderson, Rodie White, Robert K. Godfrey, Travis MacClendon, Karen MacClendon, and Kathy Willis. States and Counties: Florida: Calhoun, Gadsden, Jackson, Liberty, and Wakulla. Georgia: Grady.
  2. Radford, Albert E., Harry E. Ahles, and C. Ritchie Bell. Manual of the Vascular Flora of the Carolinas. 1964, 1968. The University of North Carolina Press. 520. Print.
  3. [[1]]Accessed: April 17, 2016
  4. [[2]]Lady Bird Johnson Wildflower Center. Accessed: April 16, 2016