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Phytolacca dodecandra

(Pokeweed)

Common Names

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Common Names in English:

Endod, Pokeweed

Description

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Family Phytolaccaceae

Herbs or shrubs , rarely trees , erect , rarely scandent , mostly glabrous , rarely dioecious. Leaves simple , alternate, entire; stipules absent or tiny. Inflorescences terminal , axillary , or leaf-opposed, racemose, cymose , panicled , or spicate . Flowers small, bisexual or rarely unisexual , actinomorphic , rarely zygomorphic. Tepals 4 or 5, persistent , free or connate at base , equal or unequal, imbricate in bud, green or sometimes other colored . Stamens 4 to many, inserted on a fleshy disk; filaments usually persistent, free or slightly connate at base; anthers 2-loculed, dorsifixed , longitudinally dehiscent . Ovary superior, globose ; carpels 1 to many, free or connate; ovule solitary in each carpel, basal, campylotropous. Styles persistent, short or absent, erect or curved , as many as carpels. Fruit fleshy, a berry or drupe, rarely a capsule. Seeds reniform or oblate , small; testa membranous or hard and fragile, smooth or wrinkly; embryo large, curved, surrounding copious mealy endosperm.

Seventeen genera and ca. 70 species: widespread in tropical and temperate regions , especially in the neotropics and S Africa; two genera (one introduced ) and five species (one endemic, two introduced) in China.[1]

Genus Phytolacca

Herbs [shrubs or trees ], perennial . Leaves alternate. Inflorescences axillary , terminal , or leaf-opposed racemes or spikes, 5-100-flowered, proximalmost pedicels sometimes bearing more than 1 flower. Flowers: sepals 5-8; stamens (7-) 8-25(-30), sometimes in 1-2 whorls; carpels 6-12(-30), distinct or connate at least proximally; if connate, ovary 6-12-loculed; style and stigma 1 per carpel. Fruits either oblate berries , style persisting in ring at apex, or group of lenticular achenes. Seeds 6-12(-30) per berry or 1 per achene.

Species ca. 25: North America, Mexico, West Indies, Central America, South America, Eurasia , Africa, Pacific Islands, Australia.[2]

Habitat

Typically found at an altitude of 0 to 1,622 meters (0 to 5,322 feet).[3]

Taxonomy

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Notes

Name Status: Accepted Name . Latest taxonomic scrutiny: 15-Mar-2000

Place of publication : Stirp. nov. 143, t. 69. 1791

Name verified on 20-Mar-1995 by ARS Systematic Botanists. Last updated: 26-Feb-2001

Similar Species

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Members of the genus Phytolacca

ZipcodeZoo has pages for 88 species, subspecies, varieties, forms, and cultivars in this genus:

P. abyssinica · P. acinosa · P. acuminata · P. altamiranii · P. americana (American Pokeweed) · P. americana var. americana L. · P. americana 'Melody' · P. americana 'Silberstein' (Variegated American Pokeweed) · P. americana var. americana (American Pokeweed) · P. americana var. lancifolia (Virginia Poke) · P. americana var. rigida (American Pokeweed) · P. americana 'Variegata' (Variegated American Pokeweed) · P. arborea · P. asiatica · P. australis · P. bogotensis (Southern Pokeweed) · P. brachystachys · P. carica · P. chilensis · P. clavigera · P. costaricensis · P. cyclopetala · P. decandra · P. decandra var. americana (Pokeweeds) · P. dioica (Beautiful Shade) · P. dioica x weberbaueri (Ombu Tree) · P. dodecandra (Pokeweed) · P. drastica · P. elongata · P. esculenta · P. esquirolii · P. gigantea · P. goudotii · P. gracilis · P. heptandra · P. heteropetala (Mexican Pokeweed) · P. heterotepala · P. hunanensis · P. icosandra (Tropical Pokeweed) · P. icosandra 'Berkeley Gold' · P. icosandra var. angustitepala · P. icosandra var. sessiliflora · P. insularis · P. japonica · P. javanica · P. kaempferi · P. latbenia · P. littoralis · P. longespica · P. lutea · P. macrostachya · P. malabarica · P. mexicana · P. meziana · P. micrantha · P. molleri · P. nova-hispania · P. nutans · P. octandra (Himalayan Pokeweed) · P. octandra var. angustifolia · P. parviflora · P. pekinensis · P. polyandra (Chinese Pokeweed) · P. polystigma · P. populifolia · P. pruinosa · P. purpurascens · P. resediformis · P. rigida · P. rigida var. rigida · P. rivinoides (Venezuelan Pokeweed) · P. rugosa · P. sandwicensis (Hawai'i Pokeweed) · P. sanguinea · P. scandens · P. sessiliflora · P. stricta · P. tetramera · P. thrysiflora · P. thyeiflora · P. thyrsiflora · P. tibetica · P. triquetra · P. variegated · P. venezuelensis · P. volubilis · P. vulgaris · P. weberbaueri

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal November 27, 2007:

Identifiers

Footnotes

  1. Dequan Lu & Kai Larsen "Phytolaccaceae". in Flora of China Vol. 5 Page 435. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
  2. "Phytolacca". in Flora of North America Vol. 4 Page 3, 4, 6. Oxford University Press. Online at EFloras.org. [back]
  3. Mean = 1,025.750 meters (3,365.322 feet), Standard Deviation = 392.680 based on 73 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]
Last Revised: 7/1/2009