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Pipturus albidus - Pisonia umbellifera - Charpentiera spp. Riparian & Floodplain Forest & Scrub Group | NatureServe Biotics 2019
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Name: Pipturus albidus - Pisonia umbellifera - Charpentiera spp. Riparian & Floodplain Forest & Scrub Group Reference: NatureServe Biotics 2019 Description: This riparian and floodplain forest group may be found on Hawai`i, Lâna`i, Maui, Moloka`i, Kaua`i, and O`ahu. Riparian stands occur along lower elevation drainage corridors and are characterized by <i>Pisonia umbellifera</i> and species of <i>Charpentiera</i> surrounded by dry and mesic forests. <i>Pipturus albidus</i> occurs in montane and upper lowland areas that form linear patches. It sometimes shares dominance with other Urticaceae shrub species such as <i>Boehmeria grandis, Touchardia latifolia</i>, and <i>Urera glabra</i> in wet gulch bottoms surrounded by <i>Metrosideros polymorpha</i> montane rainforest. Other areas possess a diverse understory of ferns and bryophytes. Polynesian-introduced species such as <i>Aleurites moluccanus, Hibiscus tiliaceus, Syzygium malaccense</i>, and other non-native species are often present, but do not dominate. Riparian stands occur as narrow bands of terrestrial vegetation bordering perennial streams from near sea level to 915 m (3000 feet) elevation. At montane elevations, there is little vegetation distinction between the plants in the riparian corridor and plants in wet gulch bottoms of surrounding montane rainforest. Vegetated forest corridors are generally broken by a series of waterfalls and may reach 48.3 km (30 miles) long. Low-elevation floodplain sites (up to 122 m [400 feet]) occur in valley floors containing perennial streams that flood every 1 to 5 years. Most floodplains were converted to agriculture and other uses by early Polynesians. There are few remnant low-elevation natural stands. Soils are alluvial deposits and clay that remain moist due to the influence from stream channel flooding, a shallow subsurface water table, and nutrient-rich alluvium deposited during flood events. Soils are generally well-drained basaltic lava with varying depths of clay and organic horizons that usually contain rock and organic sediments carried down from steep adjacent slopes.  Accession Code: urn:lsid:vegbank.org:commConcept:40123-{ED7875E0-EC36-41E5-90A2-525AEADD3752} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-May-2016 to: ongoing
	status: accepted Community's Parent: Hawaiian Flooded & Swamp Forest Macrogroup This Community's Level: Group This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.860726 NatureServe Explorer   Code: G398   Scientific: Pipturus albidus - Pisonia umbellifera - Charpentiera spp. Riparian & Floodplain Forest & Scrub Group