Ludwigia decurrens Walter. Section: Pterocaulon. Common name: Wingstem Water-primrose. Phenology: Jun-Oct. Habitat: Swamp forests, marshes, ditches. Distribution: MD, w. VA, WV, s. IN, s. IL, and MO, south to s. FL and TX; West Indies; Mexico (CAM, CHP, COL, JAL, MIC, NAY, TAB), Central America and South America; Africa and Asia.
Origin/Endemic status: Native
Synonymy ⓘ: = Ar, C, FNA10, GW2, Il, K4, Meso4.1, Mex, Mo3, NcTx, Pa, RAB, Tn, Tx, Va, W, WH3, WI, Wagner, Hoch, & Raven (2007); = Jussiaea decurrens (Walter) DC. — F, G, S, S13, WV; = n/a — Tat. Basionym: Ludwigia decurrens Walter 1788
Links to other floras: = Ludwigia decurrens - FNA10
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Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: OBL
- Eastern Mountains and Piedmont: OBL
- Great Plains: OBL
- Midwest: OBL
- Northcentral & Northeast: OBL
Heliophily ⓘ: 7
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Horticultural Information
Intro: Erect annual/short-lived perennial found in swamp forests and ditches.
Stems: Stems with 2 distinctive wings running between leaf nodes, often branched, smooth.
Leaves: Leaves alternate, mostly sessile, lance-shaped, to 7 in. long, thin and hairy or smooth.
Inforescence:
Flowers: Flowers solitary in upper leaf axils of the slender branches; yellow; about 3/4 in. wide; consisting of 4 rounded, wavy-margined petals, 8 stamens, 4 triangular sepals visible between the petals and an elongated ovary that is square in cross-section.
Fruits: Fruit a ribbed, reddish and hairy, narrowly cylindrical capsule with persistent sepals around the top end.
Comments:
Height: 1-7 ft.
plant sale text:
bloom table text:
description: Erect annual/short-lived perennial found in swamp forests and ditches.
stems: Stems with 2 distinctive wings running between leaf nodes, often branched, smooth.
leaves: Leaves alternate, mostly sessile, lance-shaped, to 7 in. long, thin and hairy or smooth.
inflorescence:
flowers: Flowers solitary in upper leaf axils of the slender branches; yellow; about 3/4 in. wide; consisting of 4 rounded, wavy-margined petals, 8 stamens, 4 triangular sepals visible between the petals and an elongated ovary that is square in cross-section.
fruits: Fruit a ribbed, reddish and hairy, narrowly cylindrical capsule with persistent sepals around the top end.
comments:
cultural notes:
germination code:
native range:
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