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Syngonium podophyllum

(American Evergreen)

Overview

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Climbing or creeping plant from Mexico to Panama with large, 5-9-segmented leaves. Rarely flowers in Hawaii but provides a good ground cover under low light conditions; Porteus.

Common Names

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Common Names in English:

African Evergreen, American Evergreen, Arrow Leaf, Arrowhead Vine, Arrowhead-Vine, Goosefoot Plant, Goosefoot Vine, Nephthytis

Description

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Family Araceae

Herbs, perennial , wetland or terrestrial , occasionally emergent or floating, [often epiphytic or climbing ], usually with milky or watery latex, rarely colored . Rhizomes, corms, or stolons present; rhizomes vertical or horizontal, creeping at or near surface , sometimes branched; corms underground, starchy; stolons at or near surface. Stems absent [sometimes aboveground or aerial ]. Cataphylls usually present. Leaves rarely solitary, alternate or clustered; petiole rarely absent, with sheathing base ; blade simple or compound [occasionally perforate ], elliptic to obovate or spatulate , occasionally sagittate-cordate, larger than 1.5 cm; venation parallel or pinnate- or palmate-netted. Inflorescences spadices, each with 3--900 usually tightly grouped, sessile flowers, subtended by spathe ; spathe rarely absent, persistent (sometimes only proximally) or deciduous, variously colored; spadix cylindric or ovoid , various parts occasionally naked or with sterile flowers. Flowers bisexual or unisexual , staminate and pistillate usually on same plants or functionally on different plants, staminate flowers distal to pistillate when unisexual; perianth absent or present; stamens 2--12, distinct or connate in synandria; ovaryies 1, 1--3(--many) -locular, sessile or embedded in spadix; styles 1; stigmas hemispheric , capitate, or discoid [sometimes strongly lobed ]. Fruits berries , distinct or connate at maturity. Seeds 1--40(--many) per berry.

Genera 105, species more than 3300 (8 genera, 10 species in the flora ; species in 10 additional genera may persist locally within flora area, see talbe 203.1) : nearly worldwide, primarily tropical regions .

Araceae are best characterized by the inflorescence, a fleshy cylindric or ovoid, unbranched spadix subtended or surrounded by a spathe. True spathes are absent in the Nearctic genus Orontium and in the Australian genus Gymnostachys. Other plant families with a compressed spadix-like inflorescence, such as Piperaceae and Cyclanthaceae, either do not have a structure equivalent to a spathe (Piperaceae) or have early-deciduous bracts (Cyclanthaceae) . Plants are usually glabrous , rarely pubescent or spiny (pubescent in Pistia) . Many Araceae exhibit typical monocotyledonous parallel leaf venation, but some genera have net leaf venation more typical of dicotyledons.

Infrafamilial classification of the Araceae is under active study. The only classification of the family to date to utilize modern phylogenetic techniques (S. J. Mayo et al. 1997) recognizes seven subfamilies, of which three are represented in native temperate North American aroid flora: Orontioideae (Orontium, Symplocarpus, Lysichiton) ; Calloideae (Calla) ; and Aroideae (Peltandra, Arisaema, and Pistia) . Acorus, a genus historically included in Araceae, is treated as a separate family in theat flora based on extensive morphologic and chemical evidence that supports its removal from Arales (M. H. Grayum 1987) .

The number of genera of Araceae occurring in temperate North America is low in comparison with other continents, and primitive taxa are disproportionately represented. Orontioideae and Calloideae, which include four of the seven native genera found in the flora area, are the basal clades within Araceae. Plants in these subfamilies possess the primitive states for many characteristics in Araceae and share few derived characteristics with other aroid genera (M. H. Grayum 1990) . The more advanced genera native to the flora area include one genus endemic to eastern North America (Peltandra), a pantropical genus with an uncertain native distribution (Pistia), and a genus clearly Eurasian in origin (Arisaema) .

Araceae contain crystals of calcium oxalate , which are often cited as causing the intense irritation experienced when handling or consuming the raw plant tissue of many genera in the family. This supposition is contradicted by the fact that although irritation generally is not produced by properly cooked plants, the crystals remain after heating. Other compounds must therefore be involved with causing this reaction. Studies of Dieffenbachia demonstrated that a proteolytic enzyme , as well as other compounds, are responsible for the severe irritation caused by this plant and that raphides of calcium oxalate do not play a major role (J. Arditti and E. Rodriguez 1982) . Whether irritation is caused by enzymes or crystals, that aspect of Araceae has resulted in aroid genera being included in many lists of poisonous plants (e.g. , K . F. Lampe and M. A. McCann 1985; G. A. Mulligan and D. B . Munro 1990; K. D. Perkins and W. W. Payne 1978) .

Despite the toxic effects of Araceae, species of several genera are cultivated as food plants, mainly as subsistence crops in tropical areas. The major edible Araceae are Colocasia esculenta and several species of Xanthosoma, grown primarily for their corms and sometimes for their leaves. Most North American species of Araceae were historically used by Native Americans, as both food and medicine (T. Plowman 1969) . The family, is currently more valued for its many ornamental species , and is the most important family in North America for indoor foliage plants (T. B. Croat 1994) . Araceae commonly grown as ornamentals in American homes include species of Aglaonema (Chinese-evergreen), Anthurium, Caladium, Dieffenbachia (dumbcane), Epipremnum (golden pothos), Philodendron, Spathiphyllum, Syngonium, and Zantedeschia (calla-lily) .

Plants of some cultivated species of Araceae escape and may persist or naturalize , especially in warmer climates. One of these species, Colocasia esculenta, is widespread enough to warrant full inclusion in the flora, but other introduced species of Araceae are very local in occurrence. Uncommon species represented by herbarium specimens or literature reports as escaped or persisting from cultivation are listed (table 203.1) with distinguishing characteristics and areas of occurrence.[1]

Physical Description

Habit: Vine

Flowers: Bloom Period: blooms repeatedly • Flower Color: near white, white

Size/Age/Growth

Size: 12-18" tall.

Habitat

Typically found at an altitude of 0 to 3,750 meters (0 to 12,303 feet).[2]

Biology

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Reproduction

Duration: Perennial

Growth

Soil: Minimum pH: 6.1 • Maximum pH: 7.8

Sunlight: Sun Exposure: Sun to Partial Shade.

Temperature: Cold Hardiness: 9a, 9b, 10a, 10b, 11. (map)

Taxonomy

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Unambiguous Synonyms

  1. Nephthytis triphylla Nash
  2. Syngonium albolineatum W. Bull
  3. Syngonium gracile Matuda
  4. Syngonium oerstedianum Schott
  5. Syngonium podophyllum var. albolineatum (W. Bull) Engl.
  6. Syngonium podophyllum var. oerstedianum (Schott) Engl.

Notes

Name Status: Accepted Name . Latest taxonomic scrutiny: Govaerts R., 11-Nov-2003.

Place of publication : Bot. Zeitung (Berlin) 9:85. 1851 (Syn. Aroid. 68. 1856).

Name verified on 23-Feb-2006 by ARS Systematic Botanists. Last updated: 23-Feb-2006.

Similar Species

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Members of the genus Syngonium

ZipcodeZoo has pages for 79 species, subspecies, varieties, forms, and cultivars in this genus:

S. amazonicum · S. angustatum (Fivefingers) · S. angustifolium · S. armigerum · S. atrovirens · S. auritum · S. birdseyanum · S. castroi · S. chiapense · S. chocoanum · S. 'Christmas' (Syngonium) · S. crassifolium · S. dennell-smithii · S. dodsonianum · S. donnell-smithii · S. erythrophyllum (Syngonium) · S. foreroanum · S. gentryanum · S. 'Glogo' · S. gracilis · S. harlingianum · S. hastiferum · S. hastifolium · S. hoffmannii · S. 'Jenny' · S. laterinervium · S. llanoense · S. macrocarpum · S. macrophyllum (Arrowhead Vine) · S. mauroanum · S. 'Maya Red' · S. meridense · S. neglectum · S. oduberi · S. 'Pink Allusion' · S. 'Pink Candy' · S. podophyllum (American Evergreen) · S. podophyllum 'Albo-Variegatum' (American Evergreen) · S. podophyllum Schott 'Albo-Virens' · S. podophyllum 'Albolineatum' · S. podophyllum 'Albo Maculatum' · S. podophyllum 'Berry Allusion' · S. podophyllum 'Christmas' · S. podophyllum 'Dali' (American Evergreen) · S. podophyllum 'Emerald Gem' (American Evergreen) · S. podophyllum 'Emerald Gem Variegated' · S. podophyllum 'Golden' · S. podophyllum 'Gold Illusion' (American Evergreen) · S. podophyllum 'Holly M' (American Evergreen) · S. podophyllum 'Imperial White' (White-Veined Arrowhead Vine) · S. podophyllum 'Mango Allusion' (American Evergreen) · S. podophyllum 'Maria Allusion' · S. podophyllum Schott 'Mini Form' · S. podophyllum 'Mottled Arrowhead' (American Evergreen) · S. podophyllum 'Mouse Ears' (American Evergreen) · S. podophyllum 'Neon' (American Evergreen) · S. podophyllum 'Neon Pink' (American Evergreen) · S. podophyllum peliocladum · S. podophyllum 'Regina Red' (American Evergreen) · S. podophyllum 'Silver Knight' · S. podophyllum var. peliocladum · S. podophyllum var. podophyllum · S. podophyllum 'Variegatum' · S. rayi · S. sagittatum · S. salvadorense · S. schottianum · S. sparreorum · S. standleyanum · S. steyermarkii · S. ternatum · S. triphyllum · S. vellozianum · S. vellozianum Schott 'Variegata' · S. venulosum · S. wendlandii · S. 'White Butterfly' (Nephthytis) · S. xanthophidium · S. yurimaguense

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 16, 2007:

Identifiers

Footnotes

  1. Sue A. Thompson "Araceae". in Flora of North America Vol. 22. Oxford University Press. Online at EFloras.org. [back]
  2. Mean = 391.730 meters (1,285.203 feet), Standard Deviation = 765.790 based on 686 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]
Last Revised: 7/1/2009