Pacific Island Ecosystems at Risk (PIER)

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Boehmeria macrophylla
Hornem., Urticaceae
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Present on Pacific Islands?  no

Primarily a threat at high elevations?  no

Other Latin names:  Boehmeria platyphylla Buch.-Ham. ex D. Don

Common name(s): [more details]

Chinese: shui zhu ma

English: African jola-nettle, false nettle

French: bois de source noir, grande ortie, moyen l'ortie, ortie rouge

Habit:  herb

Description:  "Monoecious or dioecious subshrub, 1-3 m. Leaves membranous, ovate to elliptic or suborbicular, 7-25 x 4-15 cm, acuminate, sometimes cuspidate, base rounded, sometimes subcuneate or cordate, margins serrate or dentate with teeth 2-3 mm broad and deep, of uniform size throughout, minor veins inconspicuous, arching upwards; subglabrous, pubescent, strigose or tomentose, smooth or rugose; petioles slender, 3-10 cm; stipules lanceolate, up to 1 cm, deciduous or subpersistent. Male spikes 7-10 cm, paniculately branched at base. Female spikes usually simple, solitary, 10-15 or up to 30 cm, slender or stout, sometimes pendulous; flower clusters 3-5 mm diameter. Achenes ellipsoid, 0.7 mm, bearing hooked style" (Grierson & Long, 1983; p. 126).

Habitat/ecology:  "Woodland, Cultivated Beds, Dappled Shade. The plant prefers light (sandy) and medium (loamy) soils and requires well-drained soil. The plant prefers acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It requires dry or moist soil." (Plants For A Future)

Propagation:  Seed

Native range:  Bhutan, China, Indochina, Myanmar, Nepal, Pakistan, Sri Lanka (GRIN)

Presence:

Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Australia
Australia (continental)
New South Wales native
Australian Biological Resources Study (2013)
Australia
Australia (continental)
Queensland native
Australian Biological Resources Study (2013)
China
China
China (People's Republic of) native
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
"Forests, forest margins, thickets, along streams, roadsides; 100-3000 m".
China
China
Hong Kong native
Wu, Te-lin (2001) (p. 65)
Indonesia
Indonesia
Indonesia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Thailand
Thailand
Thailand (Kingdom of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Indian Ocean
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
La Réunion (France)
La Réunion Island
La Réunion Island introduced
Cronk, Q. C. B./Fuller, J. L. (2001)
La Réunion (France)
La Réunion Island
La Réunion Island introduced
invasive
MacDonald, I. A. W./Thebaud, C./Strahm, W. A./Strasberg, D. (1991) (pp. 51-61)
La Réunion (France)
La Réunion Island
La Réunion Island introduced
invasive
Lavergne, Christophe (2006)
"Envahissant"
La Réunion (France)
La Réunion Island
La Réunion Island introduced
invasive
Kueffer, C./Lavergne, C. (2004) (p. 5)
La Réunion (France)
La Réunion Island
La Réunion Island introduced
invasive
Baret, Stephane/Rouget, Mathieu/Richardson, David M./Lavergne, Christophe/Egoh, Benis/Dupont, Joel/Strasberg, Dominique (2006) (p. 758)
Mauritius
Mautitius Islands (Mauritius and Rodrigues)
Mauritius Island introduced
Lorence, David (year unknown)
French Territory of Mayotte
Mayotte Islands
Mayotte Island introduced
invasive
Comité français de l'Union Internationale pour la Conservation de la Nature en France (2013)
envahissant principalement dans les milieux perturbés


Need more info? Have questions? Comments? Information to contribute? Contact PIER! (pier@hear.org)

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This page was created on 16 JAN 2004 and was last updated on 3 MAR 2013.